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20DR180A3NNNACANE — Detailed Product Overview and Technical Guide

1. Product Introduction

The 20DR180A3NNNACANE is a high-power industrial AC drive belonging to the PowerFlex 700S, 20D series.

It is designed for demanding industrial motor-control applications where high output current, controlled acceleration and deceleration, accurate speed regulation, torque control, and integration with a larger automation system are required.

The drive has a 650 VDC pre-charge input, a 180 A continuous output rating, a 150 HP normal-duty rating, and a 125 HP heavy-duty rating. It is a Frame 6 unit with an IP20/NEMA Type 1 enclosure arrangement.

The model is substantially larger than a small or medium general-purpose variable-frequency drive. With approximate dimensions of 850.0 mm × 435.8 mm × 275.5 mm and a drive weight of approximately 71.44 kg, it is intended for serious industrial installations with adequate cabinet space, mechanical support, electrical protection, and cooling.

One of the most important characteristics of this particular configuration is its 650 VDC pre-charge architecture. This makes it different from a conventional AC-input VFD and particularly relevant to DC-bus and multi-drive industrial systems.

The complete catalog number is important when identifying or replacing the unit. The 20DR180A3NNNACANE configuration should not be assumed to be interchangeable with every other 20DR180 model because suffix variations can represent different hardware and option configurations.

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2. Brand and Series

Category	Specification
Brand	Allen-Bradley
Product family	PowerFlex
Product series	PowerFlex 700S
Catalog family	20D
Product type	High-performance AC drive
Complete model	20DR180A3NNNACANE
Input voltage class	650 VDC
Input arrangement	DC pre-charge
Continuous output current	180 A
Normal-duty rating	150 HP
Heavy-duty rating	125 HP
Mechanical frame	Frame 6
Control architecture	Phase II
Communication	ControlNet coaxial
Enclosure	IP20 / NEMA / UL Type 1
Cooling	Forced air
Application class	High-power industrial motor control

The exact product configuration identifies the unit as a PowerFlex 700S 20D drive with 650 VDC pre-charge, 180 A output capability, 150 HP normal-duty capacity and 125 HP heavy-duty capacity.

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3. Basic Product Identification

The complete catalog number is:

20DR180A3NNNACANE

The model can be broadly understood as a high-capacity 20D-series drive with a 650 VDC input class and an 180 A output rating.

The 20D portion identifies the product family.

The R configuration corresponds to the 650 VDC pre-charge arrangement.

The 180 represents the 180 A output-current class.

The remaining characters define the particular hardware and option configuration.

For industrial maintenance, purchasing, and replacement purposes, the complete catalog number should always be retained.

It is not advisable to order a replacement using only “180 A, 150 HP” because two units with similar electrical ratings may have different communications, feedback, filtering, braking, input, or control configurations.

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4. Main Technical Parameters

Parameter	Specification
Model	20DR180A3NNNACANE
Product family	PowerFlex 700S
Catalog family	20D
Input voltage	650 VDC
Input configuration	Pre-charge
Input phases	3-phase, six-pulse
Continuous output current	180 A
1-minute output current	234 A
3-second output current	312 A
Normal-duty motor rating	150 HP
Heavy-duty motor rating	125 HP
Approx. normal-duty power	110 kW class
Approx. heavy-duty power	93 kW class
Normal-duty input current	198 A
Maximum output voltage	932 V
Output phases	3
Frame	6
PWM drive rating	4 kHz at 650 VDC
Carrier-frequency settings	2, 4, 6, 8, 10 kHz
Maximum output frequency	400 Hz
Enclosure	IP20 / NEMA / UL Type 1
Control architecture	Phase II
Communication	ControlNet coaxial
Digital inputs	6
Digital outputs	2
Analog inputs	3
Analog outputs	2
Display	LCD
Keypad	Full numeric keypad
EMC filtering	EMC filter + common-mode choke
Internal brake IGBT	No
Internal brake resistor	No
Motor overload protection	Class 10
Efficiency	Approx. 97.5%
Power loss	Approx. 1908 W
Height	850.0 mm
Width	435.8 mm
Depth	275.5 mm
Dimensions	Approx. 850.0 × 435.8 × 275.5 mm
Weight	Approx. 71.44 kg
Operating temperature without derating	0–40 °C
Rated operating condition	Up to 50 °C under specified conditions
Maximum altitude without derating	1000 m
Relative humidity	5–95%, non-condensing

The published specifications identify the 180 A continuous rating, 234 A one-minute rating, 312 A three-second rating, 650 VDC pre-charge input, 150 HP normal-duty rating, 125 HP heavy-duty rating, Frame 6 construction, and approximately 1908 W power loss.

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5. Electrical Rating

The main electrical rating of the 20DR180A3NNNACANE is 180 A continuous output current.

The drive also provides short-duration overload capability.

Operating Condition	Current Rating
Continuous output	180 A
1-minute output	234 A
3-second output	312 A
Normal-duty rating	150 HP
Heavy-duty rating	125 HP

The 234 A one-minute rating provides additional short-duration capacity, while the 312 A three-second rating is intended for brief high-current events such as acceleration or temporary load peaks.

These values should not be interpreted as continuous operating ratings.

The actual drive selection should always be based on the motor nameplate current, duty cycle, acceleration requirements, ambient conditions, and application load profile.

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6. Normal Duty and Heavy Duty

The drive has two important motor-capacity classifications.

Duty	Motor Rating	Approximate Metric Power
Normal Duty	150 HP	110 kW class
Heavy Duty	125 HP	93 kW class

Normal-duty applications generally have less severe overload requirements.

Heavy-duty applications can involve higher starting torque, frequent acceleration, sudden load changes, or repeated overload conditions.

For this reason, a 150 HP motor should not automatically be assumed to be suitable simply because the horsepower appears to match the normal-duty rating.

The motor’s actual full-load current and the mechanical duty of the machine are more important.

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7. 650 VDC Pre-Charge Input

The 650 VDC pre-charge input is a defining feature of this drive.

This is different from a conventional three-phase AC-input VFD.

The drive is intended for systems in which the power architecture supplies a high-voltage DC bus.

The pre-charge arrangement controls the initial charging of the drive’s DC-link capacitors.

This is particularly relevant when the drive is installed as part of a common DC-bus system.

The upstream DC-bus equipment must therefore be designed specifically for the voltage, current, protection, isolation, and pre-charge requirements of the installation.

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8. DC Common-Bus Applications

The drive is well suited to industrial systems in which multiple drives share a DC power architecture.

Typical applications include:

• Large conveyor systems.
• Multi-motor production lines.
• Material-handling machinery.
• Winding and unwinding equipment.
• Paper-processing machinery.
• Large machine tools.
• Process machinery.
• Coordinated production equipment.

A common DC-bus system can be useful when several motors operate as part of the same machine.

The exact system architecture should be engineered around the complete drive group rather than considering each drive independently.

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9. Phase II Control

The 20DR180A3NNNACANE includes Phase II control and an expanded cassette.

This is an important part of the drive’s high-performance positioning.

The control architecture provides more sophisticated motor-control functions than a simple frequency-only drive.

Depending on the motor and configuration, the drive supports field-oriented control with or without feedback and permanent-magnet motor control.

This makes the drive appropriate for applications where speed and torque behavior have a direct effect on machine performance.

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10. Speed-Control Capability

The published specification identifies speed regulation of approximately 0.1% of base speed across a 120:1 speed range without feedback, with a stated operating bandwidth.

This is useful in applications where stable motor speed is important.

Typical examples include:

• Large conveyors.
• Roll drives.
• Process machinery.
• Material handling.
• Pumps.
• Fans.
• Production machinery.

The actual result in a machine depends on motor parameters, drive tuning, load characteristics, operating speed, and the selected control mode.

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11. Torque-Control Capability

The published specification identifies torque regulation without feedback at approximately ±5%, with a stated bandwidth of 600 rad/sec.

Torque regulation is useful when the mechanical process depends on maintaining a predictable motor torque.

Typical applications include:

• Conveyor systems.
• Winding equipment.
• Roll drives.
• Material-processing equipment.
• High-inertia machines.
• Tension-control systems.

This capability becomes especially valuable when speed alone is not enough to control the machine.

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12. Motor-Control Methods

The drive supports several motor-control approaches.

Control Function	Availability
Field-oriented control without feedback	Yes
Field-oriented control with feedback	Supported by applicable configuration
Permanent-magnet motor control	Yes
Current-regulated control	Yes
Sine-coded PWM	Yes
Programmable carrier frequency	Yes
Induction motor control	Yes
Brushless motor control	Supported

The combination of these functions makes the 20DR180 substantially more flexible than a simple V/Hz-only drive.

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13. PWM and Carrier Frequency

The drive is rated for 4 kHz PWM at 650 VDC under normal-duty conditions.

The available carrier-frequency settings include:

Carrier Frequency	Status
2 kHz	Available
4 kHz	Available
6 kHz	Available for specified V/Hz operation
8 kHz	Available
10 kHz	Available

The carrier frequency should be selected according to the application.

Increasing the switching frequency can reduce audible motor noise, but it can also increase switching losses and thermal loading.

For a large 180 A drive, thermal considerations are especially important.

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14. Maximum Output Frequency

The maximum output frequency is specified as 400 Hz.

This is an electrical capability rather than a recommendation to operate every motor at 400 Hz.

The actual motor speed limit must be checked against the motor manufacturer’s mechanical specifications.

At high speed, bearing speed, rotor balance, cooling, mechanical resonance, and load characteristics can become important.

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15. Input and Output Configuration

Parameter	Specification
Input voltage	650 VDC
Input arrangement	Pre-charge
Input phases	3-phase
Input topology	Six-pulse
Output phases	3-phase
Output voltage range	0 to rated motor voltage
Maximum output voltage	932 V
Maximum input frequency	400 Hz
DC bus	High-voltage DC architecture
Continuous output current	180 A

The published specification identifies a three-phase six-pulse input arrangement and three-phase output.

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16. Fuse and Protection

The specified fuse current rating is 400 A at 650 VDC for normal-duty operation.

This is an important point when designing or maintaining the upstream DC system.

The protection device should not simply be selected according to the motor’s horsepower.

The complete installation must account for:

• DC-bus voltage.
• Drive input current.
• Fuse characteristics.
• Short-circuit current.
• Cable rating.
• Disconnect requirements.
• Bus architecture.
• Local electrical standards.

The published maximum short-circuit current rating when using the recommended protective device is up to 200,000 A, subject to the specified protection arrangement.

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17. EMC Filtering

This configuration includes an EMC filter and common-mode choke.

This is valuable in industrial environments where electromagnetic compatibility is important.

A high-power PWM drive can generate high-frequency electrical noise.

The EMC components help manage conducted interference, but they are only one part of the overall EMC design.

Good installation practice should also include:

• Correct grounding.
• Appropriate motor cable.
• Proper cable shielding where required.
• Separation of power and control wiring.
• Appropriate cabinet layout.
• Correct bonding.

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18. Brake Configuration

The drive does not include an internal brake IGBT and does not include an internal drive-mounted brake resistor.

This is important for applications that require fast stopping.

For a high-inertia load, deceleration can return mechanical energy to the DC bus.

The system therefore needs an appropriate strategy.

Possible approaches include:

• Longer deceleration ramps.
• External braking equipment.
• Regenerative power handling.
• Mechanical braking.

The correct solution depends on the load inertia, speed, stopping time, number of stops, and process requirements.

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19. Acceleration and Deceleration

Acceleration and deceleration times are independently programmable.

The specified adjustment range is from 0 to 6553.5 seconds, with 0.1-second increments.

This provides substantial flexibility for large machines.

A large conveyor, for example, can use a longer acceleration time to reduce mechanical shock.

A pump may use a relatively smooth acceleration profile.

A production machine may require a more carefully controlled speed transition.

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20. S-Curve Acceleration

The drive supports adjustable S-curve time.

The specified range is approximately 0.5 to 4.0 seconds.

S-curve acceleration can be useful where a simple linear ramp produces too much mechanical shock.

The motor torque can be introduced and removed more progressively.

This can be beneficial for:

• Conveyors.
• Material handling.
• Rollers.
• Lifting machinery.
• Large rotating equipment.

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21. Protection Functions

The drive provides a range of electrical and motor-protection functions.

Protection / Function	Description
Motor overload	Class 10 electronic overload
Drive overcurrent	Software current-limit/trip
DC-bus undervoltage	Adjustable trip
Phase-to-phase fault	Output short-circuit detection
Ground fault	Phase-to-ground detection
Heat sink temperature	Microprocessor monitoring
Motor over-temperature	Supported protection function
Power ride-through	Approximately 15 ms at full load
Logic ride-through	Approximately 0.25 s under specified condition
Line transient immunity	Specified high-voltage transient tolerance
Control noise immunity	Specified transient protection

The electronic motor overload protection is identified as Class 10 under the applicable requirements.

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22. I/O Configuration

The 20DR180A3NNNACANE provides a useful collection of onboard control I/O.

I/O Type	Quantity
Digital inputs	6
Digital outputs	2
Analog inputs	3
Analog outputs	2
Display	LCD
Keypad	Full numeric keypad
Communication	ControlNet coaxial

This arrangement can reduce the need for external interface hardware in some machine-control applications.

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23. ControlNet Communication

The exact configuration includes ControlNet coaxial communication.

This is particularly relevant to legacy industrial automation systems.

When the drive is part of an existing machine, the communication configuration can be just as important as the motor rating.

A replacement project may need to account for:

• PLC communication.
• Network configuration.
• Drive parameter mapping.
• HMI data.
• Fault reporting.
• Start/stop commands.
• Speed references.
• Status feedback.

Maintaining the same communication architecture can reduce the amount of modification required to an existing control system.

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24. Dimensions and Weight

The physical size of this model is important for installation planning.

Mechanical Parameter	Specification
Model	20DR180A3NNNACANE
Frame	6
Height	850.0 mm
Width	435.8 mm
Depth	275.5 mm
Overall dimensions	Approx. 850.0 × 435.8 × 275.5 mm
Weight	Approx. 71.44 kg
Enclosure	IP20 / NEMA / UL Type 1
Cooling	Forced air
Installation	Industrial cabinet
Cabinet required	Yes
Service clearance	Required
Cable clearance	Required
Additional cabinet equipment	Not included in drive dimensions

The exact listed physical dimensions are approximately 850.0 mm high, 435.8 mm wide and 275.5 mm deep, with a drive weight of approximately 71.44 kg.

The 71.44 kg figure refers to the drive itself.

It does not represent the total weight of the cabinet, disconnects, fuses, busbars, cables, cooling equipment, or other installed components.

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25. Thermal Characteristics

The published power loss is approximately 1908 W at 650 VDC and 150 HP normal duty.

This is a substantial heat load.

The cabinet designer should therefore calculate the total thermal load rather than relying on natural cooling assumptions.

Thermal Parameter	Value / Requirement
Drive power loss	Approx. 1908 W
Cooling	Forced air
Ambient without derating	0–40 °C
Specified rated condition	Up to 50 °C
Heat generated	Significant
Cabinet ventilation	Required
Fan condition	Must be maintained
Airflow path	Must remain unobstructed

A dirty cooling path can raise the internal temperature of the drive.

For an older industrial machine, cleaning and checking the cooling system should therefore be part of routine maintenance.

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26. Environmental Specifications

Environmental Parameter	Specification
Operating temperature without derating	0–40 °C
Rated operating temperature	50 °C under specified 650 VDC normal-duty condition
Storage temperature	Down to approximately -40 °C
Relative humidity	5–95%, non-condensing
Maximum altitude without derating	1000 m
Enclosure	IP20 / NEMA / UL Type 1
Shock	10 G peak for 11 ms
Vibration	1 G peak, specified conditions
Installation atmosphere	Free of corrosive/volatile contamination

The drive should not be installed where corrosive or volatile gases, vapors, or conductive dust can attack the electronics.

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27. Typical Applications

Application	Suitability	Main Reason
Large conveyor	Excellent	High current and controlled acceleration
Mining conveyor	Excellent	Large motor capacity
Bulk material handling	Excellent	High torque and speed control
Large pump	Excellent	Variable-speed process control
Large fan	Excellent	Adjustable speed
Industrial blower	Excellent	High-power motor control
Mixer	Very good	High torque requirements
Process machinery	Excellent	Advanced control
Roller drive	Very good	Speed and torque regulation
Winding equipment	Very good	Controlled speed/torque
Compressor	Good	Requires application-specific review
High-inertia machine	Good	Braking analysis required
Hoist	Requires engineering	Load and braking considerations
Small motor	Poor	Drive is oversized

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28. Conveyor Applications

Large conveyors are one of the strongest applications for a drive of this class.

A conveyor can have considerable mechanical inertia, especially when it is carrying material.

A sudden application of motor torque can create mechanical stress.

Controlled acceleration can help reduce stress on:

• Gearboxes.
• Couplings.
• Shafts.
• Bearings.
• Belts.
• Chains.
• Structural components.

The short-duration current capacity can also help with temporary load increases during acceleration.

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29. Mining and Bulk Material Handling

Mining and bulk-material applications often involve demanding mechanical conditions.

Examples include:

• Ore conveyors.
• Aggregate conveyors.
• Feed systems.
• Transfer conveyors.
• Crushers and associated machinery.
• Material-processing systems.

The 180 A output class provides substantial motor capacity.

However, heavy-duty sizing should be based on actual motor current and torque requirements.

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30. Pump Applications

Large industrial pumps can benefit from variable-speed operation.

The drive can adjust motor speed according to the process.

Possible control variables include:

• Pressure.
• Flow.
• Tank level.
• Cooling demand.
• Process load.

Variable-speed operation can provide smoother starting and improved process control.

Potential energy savings depend on the pump and piping system and should be calculated from the actual operating profile.

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31. Fan and Blower Applications

Large fans and blowers are another good application.

Typical uses include:

• Industrial ventilation.
• Exhaust systems.
• Dust extraction.
• Process air.
• Cooling systems.
• Combustion-air systems.

Variable-speed operation allows the machine to match airflow to process demand.

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32. Process Machinery

The high-performance control functions are useful in machines where speed and torque are directly related to the production process.

Possible applications include:

• Rollers.
• Mixers.
• Agitators.
• Material processors.
• Winding systems.
• Large production machines.
• Process lines.
• Industrial rotating equipment.

The actual control performance depends on motor characteristics, parameter setup, tuning, and machine mechanics.

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33. High-Inertia Applications

High-inertia applications require careful analysis.

During acceleration, the drive must supply additional torque.

During deceleration, the rotating load can return energy to the DC bus.

This is particularly important because this specific configuration has no internal brake IGBT or internal brake resistor.

Important engineering parameters include:

Parameter	Importance
Motor inertia	Critical
Load inertia	Critical
Maximum speed	Critical
Acceleration time	Important
Deceleration time	Critical
Number of stops	Critical
Regenerative energy	Critical
Braking method	Critical
Mechanical brake	Application-dependent

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34. Main Product Advantages

34.1 High Output Current

The 180 A continuous rating makes the drive suitable for large industrial motors.

It provides a significant amount of electrical capacity without immediately moving to a larger 248 A or 300 A configuration.

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34.2 Large Motor Capacity

The 150 HP normal-duty rating places the drive in the large industrial motor category.

This makes it appropriate for substantial production equipment.

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34.3 Heavy-Duty Capability

The 125 HP heavy-duty rating provides additional flexibility for applications where overload performance is more important than simply matching horsepower.

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34.4 Short-Term Overload Capability

The drive can provide:

• 234 A for one minute.
• 312 A for three seconds.

This can be useful for short acceleration events and temporary mechanical load increases.

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34.5 High-Performance Control

The Phase II architecture supports sophisticated motor-control functions.

This makes the drive appropriate for machines where speed and torque response are important.

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34.6 DC-Bus Architecture

The 650 VDC pre-charge design makes the drive suitable for DC-bus applications.

This can be useful in multi-drive industrial machines.

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34.7 ControlNet Integration

For an existing machine using ControlNet, the integrated communication arrangement can be a major practical advantage.

It can help preserve an established control architecture.

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34.8 EMC Filtering

The EMC filter and common-mode choke are useful for industrial installations where electrical noise management is important.

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34.9 Extensive Programming Capability

The drive provides programmable acceleration, deceleration, S-curve control, current limits, motor-control modes, stop modes, and protection functions.

This allows the drive to be adapted to different machine operating requirements.

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35. Five Same-Series or Closely Related Models

The following models are useful for comparison within the same general 650 VDC PowerFlex 700S family.

Model	Continuous Current	Normal Duty	Heavy Duty	Frame	Approx. Power Class	Dimensions	Weight (kg)
20DR125A3EYNACANE	125 A	100 HP	75 HP	5	75 kW class	Frame-dependent	Configuration-dependent
20DR156A3NNNACANE	156 A class	125 HP	100 HP	6	90 kW class	Frame-dependent	Configuration-dependent
20DR180A3NNNACANE	180 A	150 HP	125 HP	6	110 kW class	850 × 435.8 × 275.5 mm	71.44
20DR248A0NNNACGNE	248 A	200 HP	150 HP	6	132 kW class	Configuration-dependent	Configuration-dependent
20DR300A3NNNACANE	300 A class	250 HP	200 HP	9	160 kW class	Frame-dependent	Configuration-dependent

The exact 20DR180 configuration and related 20DR models are documented as members of the same PowerFlex 700S 20D product family.

Because suffix options differ between catalog numbers, the table should be treated as a capacity comparison rather than a statement that every suffix has identical hardware.

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36. Five Recommended Same-Series Models

Model	Current Class	Normal Duty	Heavy Duty	Frame	Best Use	Dimensions	Weight (kg)
20DR125	125 A	100 HP	75 HP	5	Medium-large motor systems	Frame-dependent	Configuration-dependent
20DR156	156 A	125 HP	100 HP	6	Large pumps and conveyors	Frame-dependent	Configuration-dependent
20DR180	180 A	150 HP	125 HP	6	Large industrial machinery	850 × 435.8 × 275.5 mm class	71.44
20DR248	248 A	200 HP	150 HP	6	Larger industrial motors	Frame-dependent	Configuration-dependent
20DR300	300 A	250 HP	200 HP	9	Heavy industrial equipment	Frame-dependent	Configuration-dependent

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37. Same-Series Selection Comparison

Model	Continuous Current	Normal-Duty Rating	Heavy-Duty Rating	Relative Size	Recommended Situation
20DR125	125 A	100 HP	75 HP	Smaller	Lower motor-current requirements
20DR156	156 A	125 HP	100 HP	Medium	Medium-large machinery
20DR180	180 A	150 HP	125 HP	Large	150 HP-class industrial machinery
20DR248	248 A	200 HP	150 HP	Larger	200 HP-class machinery
20DR300	300 A	250 HP	200 HP	Very large	Heavy industrial applications

The 20DR180 sits in a useful position between the 156 A and 248 A classes.

For a 150 HP normal-duty motor, it is a natural capacity match when the electrical and mechanical requirements are otherwise appropriate.

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38. Five Related Models from the Same Brand

For broader comparison, the following models represent other products from the same brand and related industrial-drive portfolio.

Model	Product Family	Capacity Class	Typical Application	Control Level	Dimensions	Weight (kg)
20DR125A3EYNACANE	PowerFlex 700S / 20D	125 A / 100 HP class	Pumps, conveyors	High performance	Frame-dependent	Configuration-dependent
20DR180A3NNNACANE	PowerFlex 700S / 20D	180 A / 150 HP class	Large industrial machinery	High performance	850 × 435.8 × 275.5 mm	71.44
20DR248A0NNNACGNE	PowerFlex 700S / 20D	248 A / 200 HP class	Large conveyors/process equipment	High performance	Configuration-dependent	Configuration-dependent
20F11FD065AA0NNNNN	PowerFlex 753	65 A class	Pumps, fans, conveyors	Advanced general-purpose	Frame-dependent	Configuration-dependent
20G11RD011AA0NNNNN	PowerFlex 755	11 A class	Machine/process control	Advanced	Frame-dependent	Configuration-dependent

These should be considered comparison products, not automatic replacements.

The 20D family has a different architecture from the later 753/755 product families.

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39. Five Broader Popular Model Choices

When considering widely encountered products from the same brand, the following are useful reference points.

Model	Product Family	General Capacity	Typical Application	Main Advantage	Dimensions	Weight (kg)
20F11FD065AA0NNNNN	PowerFlex 753	65 A class	Pumps, fans, conveyors	General industrial flexibility	Frame-dependent	Configuration-dependent
20G11RD011AA0NNNNN	PowerFlex 755	11 A class	Machine control	Advanced control	Frame-dependent	Configuration-dependent
20G173F215LNDNNNNN	PowerFlex 755	High-power class	Large industrial machinery	High-performance control	Frame-dependent	Configuration-dependent
20BB260A0ANNANC0	PowerFlex 700	High-current class	Large motor applications	High-power drive architecture	Frame-dependent	Configuration-dependent
20BB104A0AYNANC0	PowerFlex 700	Medium-high current	Industrial machinery	Established industrial platform	Frame-dependent	Configuration-dependent

The word “popular” here should be understood as commonly encountered industrial product families and representative catalog configurations, rather than a formal sales ranking.

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40. Application Suitability Table

Application	Suitability	Main Consideration
Large conveyor	Excellent	High current and controlled acceleration
Mining conveyor	Excellent	High torque and heavy load
Bulk material handling	Excellent	Large motor capacity
Large pump	Excellent	Variable-speed process control
Large fan	Excellent	Adjustable speed
Industrial blower	Excellent	Large motor control
Mixer	Very good	Torque requirement
Process machine	Excellent	Advanced control
Roller	Very good	Speed/torque control
Winder	Very good	Tension and torque control
Compressor	Good	Compressor-specific engineering
Centrifuge	Good	High-inertia/braking analysis
Hoist	Requires engineering	Braking and safety requirements
Small motor	Poor	Excessive drive capacity

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41. Cabinet Design

The physical dimensions of the drive are significant.

At approximately 850.0 mm × 435.8 mm × 275.5 mm, the drive occupies substantial vertical cabinet space.

The cabinet must provide additional space for:

• DC-bus connections.
• Motor cables.
• Grounding.
• Protective devices.
• Control wiring.
• Communication cables.
• Cooling airflow.
• Service access.

The cabinet should not be designed around the drive’s external dimensions alone.

Cable bending radius and maintenance access can require considerably more space.

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42. Thermal Management

The approximately 1908 W heat loss is one of the most important installation considerations.

A practical cabinet calculation should include:

Drive heat + other drives + power supplies + contactors + control equipment + auxiliary components = total cabinet heat load.

The result determines the cooling strategy.

Possible solutions include:

• Filtered forced-air ventilation.
• Heat exchangers.
• Cabinet air conditioning.
• Larger enclosure volume.
• External cooling arrangements.

The selected solution depends on the ambient temperature and enclosure design.

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43. Motor Selection

The drive should be matched to the motor using electrical current rather than horsepower alone.

Motor Parameter	Importance
Motor voltage	Critical
Full-load current	Critical
Motor horsepower	Important
Rated frequency	Important
Rated speed	Important
Service factor	Important
Starting torque	Critical
Breakdown torque	Important
Motor insulation	Important
Cooling method	Important
Encoder/feedback	Application-dependent
Maximum operating speed	Critical

The 180 A drive rating does not automatically mean that any 150 HP motor can be connected without further analysis.

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44. Maintenance Recommendations

A preventive-maintenance program should include:

1. Inspect cooling fans.
2. Check cabinet ventilation.
3. Inspect power connections.
4. Check DC-bus connections.
5. Inspect motor terminals.
6. Check grounding.
7. Review drive fault history.
8. Inspect communication connections.
9. Check the LCD/keypad.
10. Inspect for overheating.
11. Check cabinet contamination.
12. Maintain parameter backups.
13. Record the complete catalog number.
14. Record all installed options.
15. Keep replacement information available.

For an older industrial machine, keeping a complete parameter backup can significantly reduce downtime after a drive failure.

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45. Replacement Considerations

A replacement should not be selected solely by horsepower.

Replacement Parameter	Importance
Complete catalog number	Critical
650 VDC input	Critical
Pre-charge arrangement	Critical
180 A continuous current	Critical
150 HP normal duty	Critical
125 HP heavy duty	Critical
Frame 6	Important
Phase II control	Critical
ControlNet	Critical if used
Feedback	Critical if used
EMC filtering	Important
Brake configuration	Critical
Cabinet dimensions	Critical
Weight	Important
Cooling	Critical
Motor parameters	Critical

A drive with the same horsepower rating but a different DC-bus arrangement may not be a suitable replacement.

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46. Lifecycle Status

The exact product listing identifies the 20DR180A3NNNACANE as discontinued, with a discontinuation date of June 30, 2023, and an engineering-replacement category.

This is an important consideration for procurement.

The model can still be encountered in installed industrial equipment and replacement inventories.

For an existing machine, retaining the same architecture can sometimes be the most practical way to minimize machine modifications and downtime.

For a new machine, however, the discontinued status should be considered during the engineering stage.

A newer drive platform may provide better long-term availability and modern communication capabilities, but migration can involve changes to PLC programming, parameters, wiring, communication, HMI configuration, and commissioning.

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47. Main Advantages and Limitations

Category	Assessment
Continuous output	Excellent
150 HP normal duty	Excellent
125 HP heavy duty	Very good
Short-term overload	Excellent
Speed control	Very good
Torque control	Very good
Phase II control	Excellent
DC-bus architecture	Excellent for appropriate systems
ControlNet integration	Very useful for compatible legacy systems
EMC filtering	Good
Cabinet size	Large
Weight	High
Cooling requirement	Significant
Internal braking	Not included
Industrial robustness	Very good
New-project lifecycle	Requires careful consideration
Existing-machine replacement	Potentially very useful

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48. Practical Advantages for Existing Industrial Equipment

The strongest practical advantage of the 20DR180A3NNNACANE can be its compatibility with an existing machine architecture.

A drive is rarely an isolated component.

It can be connected to:

• PLC systems.
• HMIs.
• ControlNet networks.
• Motor feedback systems.
• External braking systems.
• Process instrumentation.
• Safety circuits.
• Machine interlocks.
• Production databases.

Replacing the drive with a completely different architecture can therefore create substantial engineering work.

Maintaining the same drive family can sometimes reduce the scope of modifications.

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49. Practical Limitations

The model also has several limitations that should be understood clearly.

First, it is a large physical unit.

The approximately 71.44 kg drive requires appropriate mechanical support.

Second, it generates approximately 1908 W of heat under the specified normal-duty rating condition.

Third, it has no internal brake IGBT or internal brake resistor.

Fourth, it is a discontinued product.

Fifth, the 650 VDC architecture means that the installation is considerably different from a standard low-voltage AC-input VFD.

None of these points automatically make the drive unsuitable.

They simply mean that the drive should be evaluated as part of the complete industrial machine.

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50. Quick Technical Reference

Parameter	Final Value
Model	20DR180A3NNNACANE
Brand	Allen-Bradley
Product family	PowerFlex
Series	PowerFlex 700S
Catalog family	20D
Input	650 VDC
Input type	Pre-charge
Continuous output	180 A
1-minute output	234 A
3-second output	312 A
Normal duty	150 HP
Heavy duty	125 HP
Approx. normal-duty power	110 kW
Approx. heavy-duty power	93 kW
Frame	6
Control	Phase II
Communication	ControlNet coaxial
EMC	Filter + common-mode choke
Brake IGBT	None
Internal brake resistor	None
PWM rating	4 kHz at 650 VDC
Maximum output frequency	400 Hz
Digital inputs	6
Digital outputs	2
Analog inputs	3
Analog outputs	2
Efficiency	Approx. 97.5%
Power loss	Approx. 1908 W
Height	850.0 mm
Width	435.8 mm
Depth	275.5 mm
Dimensions	Approx. 850.0 × 435.8 × 275.5 mm
Weight	Approx. 71.44 kg
Enclosure	IP20 / NEMA / UL Type 1
Operating temperature	0–40 °C without derating
Maximum altitude without derating	1000 m
Lifecycle	Discontinued

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51. Final Product Assessment

The 20DR180A3NNNACANE is a high-capacity industrial AC drive intended for large and technically demanding motor applications.

Its key electrical rating is 180 A continuous output, with 234 A available for one minute and 312 A for three seconds. The normal-duty motor rating is 150 HP, while the heavy-duty rating is 125 HP.

The combination of 650 VDC pre-charge input, Phase II control, advanced motor-control functions, ControlNet communication, EMC filtering, programmable acceleration/deceleration, and substantial overload capability makes it a serious industrial drive rather than a basic variable-frequency controller.

The model is particularly suitable for large conveyors, pumps, fans, blowers, process machinery, material-handling equipment, rollers, winders, and other large rotating machinery.

The physical specification is also important.

The approximate dimensions are 850.0 mm × 435.8 mm × 275.5 mm, and the drive weighs approximately 71.44 kg.

This means that cabinet design, mechanical mounting, ventilation, cable routing, and service access all need to be considered during installation.

The approximately 1908 W power loss is another significant engineering parameter.

A properly designed cooling system is necessary to keep the drive within its permitted operating temperature.

For applications involving high-inertia loads, the lack of an internal brake IGBT and internal brake resistor should be considered before commissioning the machine.

The braking method should be selected according to the load inertia, operating speed, stopping time, and number of braking events.

For replacement work, the complete 20DR180A3NNNACANE catalog number should be matched whenever possible.

The voltage class, pre-charge configuration, communication method, control architecture, feedback, EMC hardware, braking arrangement, dimensions, and motor duty all need to be checked before installing an alternative model.

The model is also a legacy/discontinued product, so long-term availability should be considered when planning new equipment.

For an existing production machine, however, the model can remain highly relevant because maintaining the established control architecture may be more practical than changing the complete drive system.

Overall, the 20DR180A3NNNACANE can be summarized as a 650 VDC, 180 A, 150 HP normal-duty, high-performance industrial AC drive in the PowerFlex 700S 20D family, with Phase II control and ControlNet communication.

Its strongest characteristics are its high current capacity, advanced motor control, common-DC-bus compatibility, overload capability, industrial I/O, and ability to handle large motor-driven machinery.

For a new installation, lifecycle considerations should be evaluated carefully.

For an existing installation, the exact catalog number, installed options, drive parameters, motor data, network configuration, and mechanical dimensions should all be documented before replacement or repair.