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Allen-Bradley 20G11TD617AN0NNNNN PowerFlex 755 AC Drive – Detailed Product Specifications, Product Introduction, Applications, Advantages and Related Models

1. Product Overview

The Allen-Bradley 20G11TD617AN0NNNNN is a high-power PowerFlex 755 AC Drive designed for demanding industrial motor-control applications where high output current, reliable speed regulation, strong overload capability, and flexible control architecture are required.

This model belongs to the PowerFlex 755 family and is designed around a 480 VAC, three-phase electrical system. It is a Frame 8 drive with a rated current of 617 A, making it suitable for large industrial motors and high-power mechanical loads.

The drive provides three different application-duty classifications. Its rating is approximately 600 HP for Light Duty, 500 HP for Normal Duty, and 400 HP for Heavy Duty. This multi-duty capability allows the same drive platform to be selected for different machine-load characteristics rather than being restricted to one motor application.

The 20G11TD617AN0NNNNN uses an air-cooled, open-type construction and incorporates an embedded Ethernet/IP communication interface. It is configured for AC input with a precharge arrangement and provides DC terminals, making it appropriate for larger industrial drive systems where the DC bus architecture may be important to the overall system design.

The catalog number also identifies a particular configuration of the PowerFlex 755 platform. In this configuration, the drive is filtered and has the CM jumper removed. The drive is supplied without a HIM keypad/display as part of the base catalog configuration, allowing the final system architecture to determine how commissioning, control, and operator interaction are handled.

2. Basic Product Identification

Parameter	Specification
Model / Catalog Number	20G11TD617AN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 755
Product Type	AC Variable Frequency Drive / AC Drive
Application Class	Industrial Motor Control
Cooling Method	Air Cooled
Construction	Open Type
Frame Size	Frame 8
Voltage Class	480 VAC
Input Phase	3 Phase
Rated Current	617 A
Light-Duty Rating	600 HP
Normal-Duty Rating	500 HP
Heavy-Duty Rating	400 HP
Communication	Embedded Ethernet/IP
Input Configuration	AC Input with Precharge
DC Terminals	Included
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	None
HIM / Keypad	Blank / No HIM
Approximate Mechanical Size	720 × 2185 × 650 mm
Approximate Weight	335 kg
Typical Enclosure Classification	Open Type / IP20-class installation arrangement
Intended Installation	Industrial control cabinet / electrical room / drive system
Drive Architecture	PowerFlex 755 high-power AC drive

The electrical ratings identify this as a large-frame industrial drive rather than a compact general-purpose inverter. The 617 A current class and 500 HP Normal Duty rating place it in the high-power section of the PowerFlex 755 range.

3. Detailed Electrical Parameters

Electrical Parameter	Specification
Model	20G11TD617AN0NNNNN
Rated Input Voltage	480 VAC
Input Voltage Class	480 V AC
Number of Phases	3 Phase
Rated Current Class	617 A
Light-Duty Output Rating	600 HP
Normal-Duty Output Rating	500 HP
Heavy-Duty Output Rating	400 HP
Approx. Normal-Duty Power Equivalent	373 kW
Approx. Light-Duty Power Equivalent	448 kW
Approx. Heavy-Duty Power Equivalent	298 kW
Input Type	AC Input with Precharge
DC Bus Connection	DC Terminals Provided
Dynamic Braking	None
EMC / Input Filtering	Filtered
CM Jumper Configuration	Removed
Motor Control	Variable-Frequency AC Motor Control
Communication	Embedded Ethernet/IP
Cooling	Forced-Air / Air Cooled
Frame	8

The 617 A current rating is particularly important when selecting this drive. Motor horsepower alone should not be used as the only selection criterion. Actual motor full-load current, overload requirement, acceleration profile, ambient temperature, switching frequency, motor efficiency, duty cycle, and application load characteristics should also be considered.

The published PowerFlex 755 ratings place the 20G11TD617AN0NNNNN at 600 HP Light Duty, 500 HP Normal Duty, and 400 HP Heavy Duty at the 480 VAC three-phase voltage class.

4. Duty Rating Explanation

One of the most useful features of this drive is its ability to accommodate different duty classifications.

Light Duty – 600 HP

The Light-Duty rating is intended for applications where the motor load is comparatively moderate and the drive does not have to sustain severe overload conditions for long periods.

Typical examples include large fans, some centrifugal pumps, and other loads where starting torque and sustained overload requirements are relatively moderate.

The 600 HP Light-Duty rating allows the drive to be used with very large motors when the application has an appropriate load profile.

Normal Duty – 500 HP

The 500 HP Normal-Duty classification is a particularly important rating for general industrial machinery.

Normal-duty applications can include pumps, fans, compressors, conveyors, processing machinery, material-handling systems, and other equipment where moderate acceleration and continuous operation are required.

For a machine whose motor is approximately 500 HP and whose overload requirements remain within the drive’s normal-duty characteristics, this rating provides a useful selection reference.

Heavy Duty – 400 HP

The Heavy-Duty rating is approximately 400 HP.

Heavy-duty operation is intended for applications that require greater overload capability, more demanding acceleration, higher starting torque, or more severe cyclic loading.

This distinction is especially important for equipment such as heavy conveyors, crushers, mixers, hoists, high-inertia machinery, and other applications where the drive can experience significant load changes.

5. Physical Dimensions and Weight

Because this is a large Frame 8 PowerFlex 755 configuration, the physical installation requirements are substantially greater than those of smaller PowerFlex drives.

Mechanical Parameter	Approximate Specification
Model	20G11TD617AN0NNNNN
Frame Size	Frame 8
Approx. Width	720 mm
Approx. Height	2185 mm
Approx. Depth	650 mm
Approx. Overall Size	720 × 2185 × 650 mm
Approx. Weight	335 kg
Cooling Space	Large forced-air ventilation area required
Installation Type	Industrial cabinet / electrical-room installation
Mounting Consideration	Heavy-duty structural mounting required
Service Access	Front and appropriate side/top access should be considered
Handling	Mechanical lifting / suitable handling equipment recommended

The dimensions and weight above should be treated as approximate/reference installation values rather than a substitute for the mechanical drawing of the exact assembly. Large Frame 8 configurations can have different overall dimensions depending on enclosure, ducting, cabinet arrangement, option assemblies, and installation configuration.

The underlying PowerFlex 755 documentation also distinguishes Frame 8–10 construction from smaller drive frames and indicates that large-frame installation and handling require additional consideration.

At approximately 335 kg, this is not a small cabinet-mounted inverter that can normally be handled manually. Mechanical handling, cabinet structure, lifting points, transportation route, floor loading, and service clearance should all be considered during project planning.

6. Product Construction

The 20G11TD617AN0NNNNN uses an open-type Frame 8 architecture.

The open construction gives system designers flexibility when integrating the drive into a larger electrical cabinet, MCC arrangement, drive room, or custom enclosure.

Because the drive is air cooled, airflow management is an important part of the installation. The cabinet designer must provide adequate intake and exhaust paths and prevent excessive recirculation of heated air.

The drive should also be installed in an environment that remains within the applicable temperature, humidity, contamination, altitude, and vibration limits for the PowerFlex 755 platform.

7. Embedded Ethernet/IP Communication

The embedded Ethernet/IP capability is one of the major advantages of the PowerFlex 755 family.

For modern industrial automation systems, a drive is no longer simply a device that converts fixed-frequency AC power into variable-frequency motor power. It often forms part of a larger control network involving PLCs, HMIs, SCADA systems, remote I/O, safety equipment, production-management systems, and condition-monitoring systems.

With embedded Ethernet/IP, the drive can participate directly in an industrial communication architecture without necessarily requiring a separate basic communication adapter for standard Ethernet/IP integration.

This can simplify system architecture and make it easier to exchange drive status, speed references, commands, alarms, diagnostic information, and other control data with the plant control system.

8. AC Input with Precharge and DC Terminals

The catalog configuration specifies AC input with precharge and DC terminals.

The precharge arrangement is important in high-power drives because the DC bus capacitors represent a substantial electrical energy-storage system. Controlled charging of the DC bus helps manage inrush current during startup.

The availability of DC terminals is also useful for system architectures where DC-bus connections, common DC-bus arrangements, regeneration strategies, or coordinated drive systems are considered.

However, the presence of DC terminals does not mean that every installation should use an external DC-bus arrangement. The actual application should be engineered according to the electrical system design and applicable drive documentation.

9. Filtering and CM Jumper Configuration

The AN configuration of the catalog number specifies a filtered arrangement with the CM jumper removed.

This configuration should not be confused with later configurations that use a different catalog suffix.

For example, the related 20G11TD617JN0NNNNN configuration uses the same major electrical rating but specifies a filtered configuration with the CM jumper installed. The JN version is identified as the direct replacement for the discontinued AN version.

This distinction can matter in retrofit projects because the two catalog numbers may look almost identical while representing a different configuration.

10. Product Series

PowerFlex 755 Series

The 20G11TD617AN0NNNNN belongs to the PowerFlex 755 AC Drive series.

The PowerFlex 755 family is designed for demanding industrial applications where flexible motor control, high-power capability, communications, and integration with industrial automation systems are important.

Compared with smaller compact drive families, the PowerFlex 755 architecture is oriented toward larger and more sophisticated industrial equipment.

It is particularly well suited to applications where the drive is part of a larger automation system rather than operating as an isolated motor controller.

11. Main Product Applications

Large Pumps

The drive is well suited to large industrial pump systems, particularly where variable-speed operation can reduce energy consumption and improve process control.

Examples include:

• Water treatment pumps
• Industrial process pumps
• Cooling-water pumps
• Large circulation pumps
• Irrigation pumping systems
• Municipal pumping systems
• Chemical-process pumps
• Mining water-management systems

For centrifugal pump applications, variable-speed control can allow the pump to respond to changing process requirements instead of continuously operating at full speed.

Large Fans and Blowers

Large fans and blowers are another important application category.

Typical installations include:

• Industrial ventilation
• Furnace fans
• Cooling towers
• Process-air systems
• Dust collection
• Combustion-air systems
• Mine ventilation
• Large exhaust systems

The drive can control motor speed according to airflow requirements, which can be more efficient than relying exclusively on mechanical throttling.

Conveyors

The high current capability makes the drive suitable for large conveyor systems.

Potential applications include:

• Mining conveyors
• Bulk-material conveyors
• Cement conveyors
• Aggregate handling
• Steel processing
• Port material handling
• Ore transportation
• Warehouse and distribution systems

Conveyors often require controlled acceleration and deceleration to reduce mechanical stress and prevent material movement problems.

Compressors

The PowerFlex 755 architecture can also be used in large compressor applications where variable-speed motor control is appropriate.

Applications can include:

• Industrial air compressors
• Process-gas compressors
• Cooling systems
• Manufacturing utilities
• Large mechanical compression systems

The exact suitability depends on compressor type, motor characteristics, required starting torque, operating speed range, and process requirements.

Mining Equipment

The high-current Frame 8 platform makes this type of drive particularly relevant to heavy industrial and mining environments.

Possible applications include:

• Ore conveyors
• Crushers
• Pumps
• Fans
• Material-handling equipment
• Processing machinery
• Large auxiliary drives

Mining applications often place significant demands on mechanical equipment because of high inertia, variable load, and continuous operation.

Cement and Aggregate Equipment

Large cement and aggregate plants can use high-power variable-frequency drives for:

• Crushers
• Conveyors
• Fans
• Mills
• Pumps
• Material feeders
• Process equipment

The ability to regulate motor speed electronically can improve process flexibility and reduce mechanical shock during starting and stopping.

Metals and Steel Processing

Large variable-speed motors are common in steel and metal-processing equipment.

Potential applications include:

• Cooling systems
• Fans
• Pumps
• Material handling
• Processing lines
• Auxiliary machinery
• Large production equipment

The drive’s communication capability can also be useful when it needs to be integrated into a centralized production-control architecture.

12. Product Advantages

1. Very High Current Capacity

The 617 A rating gives this drive a substantial current capability for large industrial motors.

This allows the drive to address applications that are beyond the practical range of compact variable-frequency drives.

2. Multiple Duty Ratings

The combination of:

• 600 HP Light Duty
• 500 HP Normal Duty
• 400 HP Heavy Duty

provides considerable flexibility.

A single drive family can therefore be applied across different load conditions, provided the actual motor current and application requirements remain within the applicable rating.

3. Industrial PowerFlex 755 Architecture

The PowerFlex 755 platform is designed for industrial applications rather than simple low-power standalone motor control.

Its architecture is suitable for projects where communication, diagnostics, control flexibility, and integration with automation equipment are important.

4. Embedded Ethernet/IP

Embedded Ethernet/IP simplifies integration into modern industrial control networks.

This is particularly useful when a facility already uses Ethernet/IP-based PLC and HMI infrastructure.

5. Air-Cooled Design

Air cooling provides a practical solution for large industrial drive installations.

Although the cooling system requires proper airflow and maintenance, it avoids the additional complexity associated with liquid-cooled drive architectures in many industrial installations.

6. Flexible Industrial Integration

The drive can be integrated into larger control systems rather than functioning as an isolated speed controller.

This makes it suitable for centralized monitoring, command, diagnostics, alarm management, and production-control systems.

7. Large Motor Compatibility

The 500 HP Normal-Duty rating makes this model particularly attractive for large motors.

It is especially relevant where a smaller drive would not provide sufficient current capacity or overload capability.

8. Suitable for High-Inertia Loads

When properly selected and configured, the PowerFlex 755 platform can be used for applications where acceleration and deceleration must be carefully controlled.

This is useful for large rotating machinery and mechanical systems with substantial inertia.

13. Important Advantages for System Integrators

For system integrators, one of the main advantages of the 20G11TD617AN0NNNNN is that it combines a high-power output stage with an industrial communication architecture.

This means that the drive can become part of a complete automation solution rather than simply acting as a frequency converter.

A typical system may contain:

System Component	Typical Function
20G11TD617AN0NNNNN	Large motor speed and torque control
PLC	Machine or process sequence control
HMI	Operator interface
Ethernet/IP Network	Drive and controller communication
Sensors	Process feedback
Contactors / Disconnects	Electrical isolation and switching
MCC / Switchgear	Power distribution
SCADA	Plant-level monitoring
Safety System	Safety-related machine functions
Motor	Mechanical power generation

This type of architecture is particularly useful for large production facilities where operators need access to motor status, alarms, speed, current, operating condition, and diagnostic information.

14. Recommended Application Selection

The following table provides a practical selection guide.

Application	Suitability	Typical Reason
Large Centrifugal Pump	Excellent	Variable-speed flow and pressure control
Large Industrial Fan	Excellent	Speed control and airflow regulation
Large Conveyor	Excellent	Controlled starting and speed regulation
Heavy Conveyor	Excellent	High current and high-power capability
Crusher	Good	High-power motor control; duty must be checked
Large Blower	Excellent	Variable airflow control
Compressor	Good	Requires application-specific torque analysis
Mining Equipment	Excellent	Large motors and demanding operating conditions
Cement Equipment	Excellent	Large process motors
Steel Processing	Good to Excellent	High-power variable-speed applications
Hoist	Application Dependent	Requires detailed braking and regenerative analysis
Elevator	Application Dependent	Requires specialized system architecture
High-Regeneration Machine	Requires Additional Analysis	Base configuration has no dynamic braking

For applications involving significant regeneration, the Dynamic Braking: None configuration must be considered carefully. The machine may require a separate braking solution, regenerative architecture, or another engineered method of managing regenerated energy.

15. Recommended Same-Series Models

The following five models are closely related PowerFlex 755 configurations in the same 480 VAC / Frame 8 family.

Model	Voltage	Current	Light Duty	Normal Duty	Heavy Duty	Frame
20G11TD430AN0NNNNN	480 VAC, 3 PH	430 A class	400 HP	350 HP	300 HP	8
20G11TD485AN0NNNNN	480 VAC, 3 PH	485 A class	450 HP	400 HP	350 HP	8
20G11TD545AN0NNNNN	480 VAC, 3 PH	545 A class	500 HP	450 HP	350 HP	8
20G11TD617AN0NNNNN	480 VAC, 3 PH	617 A	600 HP	500 HP	400 HP	8
20G11TD710AN0NNNNN	480 VAC, 3 PH	710 A class	650 HP	600 HP	450 HP	8

These models form a logical progression in the high-power 480 VAC PowerFlex 755 range.

The 20G11TD430AN0NNNNN is appropriate when the required current is lower, while the 20G11TD710AN0NNNNN provides a higher current class for larger motors and more demanding systems.

The 20G11TD617AN0NNNNN sits in the middle of this group and provides a useful balance between high power capability and the physical/electrical requirements associated with the larger Frame 8 platform.

16. Same-Series Model Comparison Including Approximate Dimensions and Weight

Model	Voltage	Current	LD Rating	ND Rating	HD Rating	Frame	Approx. Dimensions	Approx. Weight
20G11TD430AN0NNNNN	480 VAC	430 A class	400 HP	350 HP	300 HP	8	Large Frame 8	Approx. 300–335 kg
20G11TD485AN0NNNNN	480 VAC	485 A class	450 HP	400 HP	350 HP	8	Large Frame 8	Approx. 300–335 kg
20G11TD545AN0NNNNN	480 VAC	545 A class	500 HP	450 HP	350 HP	8	Large Frame 8	Approx. 300–335 kg
20G11TD617AN0NNNNN	480 VAC	617 A	600 HP	500 HP	400 HP	8	Approx. 720 × 2185 × 650 mm	Approx. 335 kg
20G11TD710AN0NNNNN	480 VAC	710 A class	650 HP	600 HP	450 HP	8	Large Frame 8	Approx. 335 kg+

The dimensions and weights for related configurations should be confirmed against the exact mechanical configuration before procurement or cabinet design. The Frame 8 platform can have different physical arrangements depending on the particular assembly, options, ducting, and enclosure.

17. Direct Replacement Consideration

A particularly important point for the 20G11TD617AN0NNNNN is its lifecycle status.

This AN configuration has been discontinued, and the designated direct replacement is 20G11TD617JN0NNNNN. The replacement maintains the same major 617 A / 600 HP LD / 500 HP ND / 400 HP HD electrical rating but uses a different CM-jumper configuration.

For existing installations, the AN model can still be important because many plants have legacy PowerFlex 755 equipment already installed.

For a new project, however, the current replacement configuration should normally be evaluated first, particularly when long-term availability, spare-parts planning, and future maintenance are important.

18. AN Version vs. JN Version

Parameter	20G11TD617AN0NNNNN	20G11TD617JN0NNNNN
Model	20G11TD617AN0NNNNN	20G11TD617JN0NNNNN
Series	PowerFlex 755	PowerFlex 755
Voltage	480 VAC, 3 PH	480 VAC, 3 PH
Current	617 A	617 A
Light Duty	600 HP	600 HP
Normal Duty	500 HP	500 HP
Heavy Duty	400 HP	400 HP
Frame	8	8
Cooling	Air Cooled	Forced Air
Filtering	Filtered	Filtered
CM Jumper	Removed	Installed
Dynamic Braking	None	None
HIM	Blank / No HIM	Blank / No HIM
Lifecycle	Discontinued	Active replacement configuration

This distinction is very important when replacing an existing drive.

The AN suffix should not simply be assumed to be electrically identical to every JN configuration. The CM jumper configuration is specifically different, so the replacement should be evaluated according to the motor, grounding, EMC, installation, and system requirements.

19. Five Popular Allen-Bradley Models from Related Drive Families

The following models are useful comparison points from other Allen-Bradley variable-frequency drive families. They are not direct electrical substitutes for the 617 A Frame 8 PowerFlex 755, but they are widely relevant when selecting drives for different motor sizes and application classes.

Model	Series	Voltage Class	Current Class	Typical Power Class	Phase	Typical Application
25B-D024N114	PowerFlex 525	480 VAC	24 A class	Small/medium motor	3 PH	General machinery, pumps, fans
25B-D6P0N114	PowerFlex 525	480 VAC	6 A class	Small motor	3 PH	Small pumps, fans, conveyors
20F11NC3P4JA0NNNNN	PowerFlex 753	480 VAC	Small current class	Small/medium motor	3 PH	Industrial automation
20F11ND077AA0NNNNN	PowerFlex 753	480 VAC	77 A class	Medium/large motor	3 PH	Industrial machinery
25C-D043N114	PowerFlex 523	480 VAC	43 A class	Medium motor	3 PH	General-purpose machinery

These models demonstrate the breadth of the Allen-Bradley variable-frequency drive portfolio.

The PowerFlex 523 and PowerFlex 525 families are generally better suited to compact and medium-power applications, while the PowerFlex 753 and PowerFlex 755 families provide more advanced functionality and higher-power industrial architectures.

20. Comparison of PowerFlex Families

Series	Representative Model	Typical Application Level	Relative Size	Communication / Integration	Suitable for 617 A Motor?
PowerFlex 523	25C-D043N114	General Purpose	Compact	Basic industrial integration	No
PowerFlex 525	25B-D024N114	General Purpose / Connected	Compact	Strong network integration	No
PowerFlex 753	20F11ND077AA0NNNNN	Advanced Industrial	Medium/Large	Advanced industrial control	No, current too low
PowerFlex 755	20G11TD617AN0NNNNN	High-Power Industrial	Very Large	Advanced industrial integration	Yes, within rating
PowerFlex 755 Replacement	20G11TD617JN0NNNNN	High-Power Industrial	Very Large	Advanced industrial integration	Yes

This comparison shows why the 20G11TD617AN0NNNNN should not be compared only by horsepower.

The physical frame, output current, duty rating, communication requirements, overload capability, braking requirements, and system architecture are all important.

21. Installation Considerations

The installation of a 617 A Frame 8 drive requires substantially more planning than the installation of a small VFD.

Cabinet Space

A cabinet must provide sufficient physical space for the drive, power connections, control wiring, cooling airflow, service access, and cable routing.

The approximate 720 × 2185 × 650 mm reference size illustrates that this is a large piece of electrical equipment.

The final cabinet should be designed using the exact mechanical drawing for the selected configuration.

Ventilation

Air cooling means that heat generated by the drive must be removed from the electrical installation.

Poor ventilation can increase internal temperature and reduce equipment reliability.

The cabinet designer should consider:

• Ambient temperature
• Heat dissipation
• Fan airflow
• Intake air temperature
• Exhaust air path
• Dust contamination
• Filter maintenance
• Air recirculation
• Clearance around ventilation openings

Cable Selection

At 617 A, power-cable selection is a major engineering consideration.

Cable size should be determined according to the applicable electrical code, installation method, conductor temperature rating, ambient conditions, grouping, voltage drop, short-circuit conditions, and terminal requirements.

The drive should never be selected solely on the basis of motor horsepower without verifying actual current and installation conditions.

Motor Cable Considerations

For large variable-frequency-drive installations, motor-cable selection can influence:

• Voltage drop
• Common-mode current
• EMC
• Motor insulation stress
• Bearing-current risk
• Cable heating
• Drive output waveform performance

Appropriate grounding and cable-routing practices are therefore important.

22. Maintenance Considerations

Routine maintenance should include inspection of the cooling system, electrical connections, ventilation paths, cabinet cleanliness, and signs of overheating.

For a large air-cooled drive, fan condition is particularly important.

Maintenance planning may include:

Maintenance Item	Recommended Attention
Model	20G11TD617AN0NNNNN
Cooling Fans	Inspect for noise, vibration and airflow degradation
Airflow Path	Keep clear of dust and obstructions
Power Connections	Inspect for heating or loose connections
Control Wiring	Check terminals and communication wiring
Ethernet/IP	Check communication stability
DC Bus	Follow proper electrical safety procedures
Grounding	Verify grounding integrity
Cabinet	Keep clean and adequately ventilated
Alarms	Review drive fault and warning history
Motor	Check insulation, bearings and mechanical load
Spare Parts	Maintain appropriate critical spares

Because the drive operates at high voltage and stores substantial electrical energy, maintenance must be performed by appropriately qualified personnel following the applicable isolation and electrical-safety procedures.

23. Selection Advantages Compared with a Smaller Drive

Selecting a smaller drive simply because the motor horsepower appears close can create problems when the actual motor current or overload requirement is higher than expected.

The 20G11TD617AN0NNNNN provides a substantial current margin for large industrial systems.

Its high-power architecture is especially valuable where the application involves:

• Large motor frames
• High starting torque
• High inertia
• Frequent acceleration
• Variable mechanical loading
• Continuous production
• Centralized control
• Ethernet/IP communication
• Large industrial process equipment

24. Suitable Industrial Industries

The drive can be considered for many industries, including:

Industry	Typical Equipment
Mining	Conveyors, pumps, fans, crushers
Cement	Crushers, fans, conveyors, process machinery
Steel	Fans, pumps, processing equipment
Water Treatment	Large pumps and blowers
Chemical	Pumps, fans, compressors
Oil and Gas	Pumps, compressors and auxiliary machinery
Manufacturing	Large production machinery
Power Generation	Pumps, fans and auxiliary systems
Marine / Heavy Industry	Large motor-driven machinery
Material Handling	Conveyors and bulk handling
Aggregate	Crushers, conveyors and screening systems
HVAC / Industrial Cooling	Large fans and pumps

The final suitability of the drive for a particular application depends on the actual motor current, load profile, operating speed, acceleration requirements, ambient conditions, braking requirements, and system architecture.

25. Why This Model Is Important for High-Power Applications

The 20G11TD617AN0NNNNN represents the type of drive used when a motor-control system moves into the hundreds-of-horsepower range.

At this level, the drive is no longer just a simple speed-control component. It becomes a major part of the plant’s electrical and automation infrastructure.

The drive must therefore be considered together with:

• Incoming power distribution
• Motor
• Motor cable
• Grounding system
• PLC
• HMI
• Ethernet/IP network
• Cabinet cooling
• Protective devices
• Disconnect equipment
• Braking system
• Mechanical load
• Process-control strategy

26. Practical Model Selection Guide

Requirement	Recommended Model Direction
Around 350 HP Normal Duty	20G11TD430AN0NNNNN
Around 400 HP Normal Duty	20G11TD485AN0NNNNN
Around 450 HP Normal Duty	20G11TD545AN0NNNNN
Around 500 HP Normal Duty	20G11TD617AN0NNNNN
Around 600 HP Normal Duty	20G11TD710AN0NNNNN
Existing AN 617 A installation	20G11TD617AN0NNNNN for legacy identification
New replacement of AN 617 A unit	20G11TD617JN0NNNNN should be evaluated
Small motor application	PowerFlex 523 / 525 family
Medium industrial motor	PowerFlex 753 family
High-power industrial motor	PowerFlex 755 family

This table is intended as a quick selection reference rather than a substitute for a complete drive-sizing calculation.

27. Overall Product Assessment

The Allen-Bradley 20G11TD617AN0NNNNN is a large-capacity PowerFlex 755 AC drive designed for serious industrial motor-control applications.

Its principal characteristics are the 480 VAC three-phase input class, 617 A current rating, Frame 8 construction, 600 HP Light-Duty rating, 500 HP Normal-Duty rating, 400 HP Heavy-Duty rating, air cooling, embedded Ethernet/IP communication, AC input with precharge, DC terminals, filtered configuration, and removed CM jumper.

Its greatest practical strengths are its high current capacity, large motor compatibility, multi-duty capability, industrial communication capability, and suitability for integration into large automated production systems.

For pumps, fans, conveyors, compressors, mining equipment, cement machinery, steel-processing equipment, water-treatment systems, and other large motor-driven equipment, the PowerFlex 755 architecture provides a strong platform when the motor and application requirements fall within the specified electrical and duty ratings.

One important purchasing consideration is that 20G11TD617AN0NNNNN is a discontinued AN configuration, with 20G11TD617JN0NNNNN identified as the direct replacement. The replacement retains the same major 617 A / 600 HP LD / 500 HP ND / 400 HP HD rating but changes the CM-jumper configuration.

For an existing machine, the original AN catalog number remains important for identification, maintenance, and replacement planning.

For a new installation, the replacement configuration should normally be evaluated before purchasing a legacy AN unit, especially when long-term availability and future maintenance are important.

28. Final Technical Summary

Category	Final Specification
Catalog Number	20G11TD617AN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	High-Power AC Variable Frequency Drive
Voltage	480 VAC
Phase	3 Phase
Current	617 A
Light Duty	600 HP
Normal Duty	500 HP
Heavy Duty	400 HP
Frame	8
Cooling	Air Cooled / Forced Air
Construction	Open Type
Communication	Embedded Ethernet/IP
Input	AC Input with Precharge
DC Terminals	Yes
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	None
HIM	Blank / No HIM
Approx. Dimensions	720 × 2185 × 650 mm
Approx. Weight	335 kg
Main Application	Large Industrial Motor Control
Typical Motor Range	Hundreds of HP
Best Application Areas	Pumps, fans, conveyors, compressors, mining, cement, steel and heavy industry
Replacement Configuration	20G11TD617JN0NNNNN
Lifecycle Consideration	Legacy / Discontinued AN configuration

Overall, the 20G11TD617AN0NNNNN is a high-capacity industrial PowerFlex 755 drive intended for large motor applications where current capability, robust duty ratings, industrial communications, and system-level integration are more important than compact size. Its 617 A output class and 500 HP Normal-Duty rating make it particularly suitable for large continuous-process equipment and heavy industrial machinery, while its Frame 8 construction means that electrical-room space, cabinet engineering, ventilation, lifting, cabling, and service access must all be planned carefully.