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Allen-Bradley 20G11BC1K2AN0NNNNN — Detailed Product Specifications, Introduction, Applications, Advantages and Recommended Models

1. Product Overview

The 20G11BC1K2AN0NNNNN is a high-power PowerFlex 755 AC Packaged Drive designed for large industrial motor-control applications.

It is part of the PowerFlex 755 series and is built for high-capacity three-phase AC motor systems where a conventional compact variable frequency drive would not provide enough current or power.

The model is designed around a 400 VAC three-phase input, with an output current rating of approximately 1,175 A.

Its published duty ratings are approximately 800 kW Low Duty, 710 kW Normal Duty, and 560 kW Heavy Duty.

The drive uses a Frame 9, air-cooled construction with a 600 mm deep MCC-style enclosure and an IP20 / Type 1 enclosure arrangement.

The catalog configuration also includes an AC input with precharge, DC terminals, EMC filtering, CM jumper removed, no dynamic-braking transistor, no HIM, and embedded EtherNet/IP.

One important point is that this particular AN0 version does not include a local HIM. It is therefore particularly suitable for installations where the drive is operated and monitored through a PLC, HMI, SCADA system or industrial network rather than through a permanent local keypad.

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2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product family	PowerFlex
Series	PowerFlex 755
Product type	AC Packaged Drive
Model	20G11BC1K2AN0NNNNN
Drive category	High-Power AC Variable Frequency Drive
Cooling	Air cooled
Frame	Frame 9
Voltage class	380–480 VAC
Nominal voltage	400 VAC
Input phase	3 phase
Output phase	3 phase
Output current	1,175 A
Low Duty rating	800 kW
Normal Duty rating	710 kW
Heavy Duty rating	560 kW
Main enclosure	IP20 / Type 1
Cabinet style	600 mm Deep MCC Style
Input configuration	AC Input with Precharge
DC terminals	Yes
EMC configuration	Filtered
CM jumper	Removed
Dynamic braking	None
HIM	None
Network	Embedded EtherNet/IP

The product belongs to the high-power section of the PowerFlex 755 platform rather than the smaller wall-mounted drive configurations.

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3. Basic Technical Parameters

Parameter	Specification
Model	20G11BC1K2AN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product type	PowerFlex 755 AC Packaged Drive
Input voltage	380–480 VAC class
Nominal input voltage	400 VAC
Input frequency	50/60 Hz
Input phase	3 phase
Output phase	3 phase
Output current	1,175 A
Low Duty	800 kW
Normal Duty	710 kW
Heavy Duty	560 kW
Frame	Frame 9
Cooling	Air cooled
Enclosure	Type 1 / IP20
Cabinet style	600 mm Deep MCC
Input	AC with precharge
DC terminals	Included
EMC filter	Included
CM jumper	Removed
Dynamic braking transistor	None
HIM	None
Communication	Embedded EtherNet/IP
Mounting	Large floor-mounted packaged configuration
Depth	600 mm
Overall dimensions	Frame 9 MCC configuration; exact height and width depend on the applicable cabinet arrangement
Weight (kg)	Approximately 1,250 kg class; exact shipping weight depends on final configuration

The 1,175 A output rating places this drive firmly in the high-power industrial category.

It is intended for applications where large motors operate continuously or where substantial starting, acceleration and process-control requirements must be handled by the drive system.

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4. Power Ratings

The model provides three important application ratings.

Duty Classification	Power Rating
Low Duty	800 kW
Normal Duty	710 kW
Heavy Duty	560 kW

The three ratings should not be treated as interchangeable.

The correct rating depends on the load characteristics.

A centrifugal pump or fan generally has a different torque requirement from a crusher, conveyor or other high-inertia machine.

For this reason, a 710 kW motor does not automatically mean that a 710 kW Normal Duty rating is sufficient.

The motor current, torque curve, overload requirements, acceleration time and operating cycle should all be considered before selecting the final configuration.

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5. 1,175 A High-Current Capability

The 1,175 A output current is one of the defining characteristics of the 20G11BC1K2AN0NNNNN.

This current capacity allows the drive to control very large industrial motors.

It is suitable for large equipment where the motor power can reach several hundred kilowatts.

Typical applications can include:

• Large centrifugal pumps.
• Large process pumps.
• Industrial fans.
• High-capacity blowers.
• Large conveyors.
• Crushers.
• Mining machinery.
• Cement equipment.
• Large compressors.
• Cooling systems.
• Heavy material-handling equipment.

The high current rating also gives system designers additional flexibility when selecting motors within the applicable duty class.

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6. 400 VAC Industrial Voltage Class

The drive is designed for the 400 VAC industrial voltage class.

This voltage range is widely used in industrial facilities for large three-phase motors.

The incoming three-phase AC supply is converted by the drive into controlled variable-frequency output.

The motor speed can then be adjusted according to the requirements of the machine or process.

This is especially useful for equipment where the required output changes during normal operation.

For example, a pump may not need to run at full speed all day.

A fan may require different airflow during different production periods.

A conveyor may need to operate at different speeds depending on production requirements.

A variable frequency drive allows the motor to respond to these changes.

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7. Frame 9 Construction

The 20G11BC1K2AN0NNNNN uses a Frame 9 construction.

This is a large-drive architecture designed for high-power applications.

Compared with smaller drive frames, a Frame 9 system requires considerably more physical space.

The larger enclosure accommodates:

• High-current power components.
• DC-bus components.
• Power switching devices.
• Cooling equipment.
• Control electronics.
• Large electrical terminals.
• Protective components.
• High-power cable connections.

For this reason, the product should be considered part of a complete industrial electrical lineup rather than a small standalone VFD.

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8. 600 mm Deep MCC-Style Cabinet

The drive is specified as a 600 mm Deep MCC Style configuration.

The 600 mm depth is an important mechanical parameter for installation planning.

When designing the electrical room or MCC lineup, engineers should consider:

• Cabinet depth.
• Cabinet height.
• Cabinet width.
• Cable entry.
• Cable bending radius.
• Front access.
• Maintenance space.
• Cooling airflow.
• Transportation route.
• Floor loading.

The overall dimensions should be confirmed against the final mechanical drawing because the exact height and width can vary according to the packaged configuration.

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9. Dimensions and Weight

For this type of high-power Frame 9 equipment, dimensions and weight are particularly important.

Mechanical Parameter	Specification
Model	20G11BC1K2AN0NNNNN
Frame	Frame 9
Cabinet type	MCC style
Cabinet depth	600 mm
Enclosure	Type 1 / IP20
Cooling	Air cooled
Mounting	Floor-mounted industrial configuration
Overall height	Configuration dependent
Overall width	Configuration dependent
Overall depth	600 mm class
Weight (kg)	Approximately 1,250 kg class

The equipment should therefore be treated as approximately 1.25 metric tons when planning transportation and installation.

For a real project, the exact final shipping weight should be checked before selecting a crane, forklift or other lifting equipment.

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10. AN0 Configuration

The AN0 configuration is an important part of the model number.

The target model is:

20G11BC1K2AN0NNNNN

The configuration does not include a local HIM.

This means that the drive is well suited to systems where local operator control is not required because operation is handled through an external control architecture.

For example:

PLC → EtherNet/IP → PowerFlex 755 → Motor

or:

SCADA → PLC → Drive → Motor

This arrangement is common in large industrial plants where individual drives are integrated into a centralized automation system.

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11. No Local HIM

The absence of a local HIM can be an advantage in some installations.

A centralized automation architecture can eliminate the need for operators to interact directly with the drive.

Instead, the PLC or plant HMI can display:

• Motor speed.
• Motor current.
• Drive status.
• Drive faults.
• Alarms.
• Speed reference.
• Output frequency.
• Operating conditions.

This can make a large motor-control system more standardized.

However, maintenance teams should consider whether a local operator interface is useful for commissioning and troubleshooting.

If local access is important, a related HIM-equipped configuration may be more appropriate.

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12. Embedded EtherNet/IP

The PowerFlex 755 platform provides embedded EtherNet/IP connectivity.

This is particularly useful in modern industrial automation systems.

The drive can be integrated into a control network where the PLC or other automation controller exchanges data with the drive.

Typical network information can include:

• Start command.
• Stop command.
• Speed reference.
• Actual speed.
• Output frequency.
• Motor current.
• Drive status.
• Fault status.
• Alarm information.
• Diagnostic information.

This makes the drive suitable for centralized control of large motor systems.

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13. AC Input with Precharge

The drive uses an AC input with precharge configuration.

Precharge is important in a high-power drive because the DC bus contains substantial energy-storage components.

When the drive is energized, the precharge arrangement helps control the initial charging process.

This is especially important for a drive in the 1,175 A class.

The incoming electrical system should still be designed with appropriate protection, isolation and coordination.

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14. DC Terminals

The configuration includes DC terminals.

The DC bus is an important part of the drive’s internal power architecture.

DC terminals can also be useful when the overall electrical system has been engineered around a common DC-bus concept.

However, the availability of DC terminals should not be interpreted as permission to connect an arbitrary external DC source.

Any DC-bus application requires proper engineering of voltage, current, protection, precharge, grounding, energy flow and fault conditions.

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15. EMC Filtering

The model includes an EMC filtering configuration.

High-power switching devices can generate electrical noise during normal operation.

A properly engineered filtering arrangement can help control conducted and radiated electrical interference.

However, EMC performance depends on the complete installation.

Important factors include:

• Motor cable construction.
• Cable length.
• Cable shielding.
• Grounding.
• Cabinet layout.
• Control wiring.
• Communication wiring.
• Input filtering.
• Physical separation between power and control cables.

The filter is therefore one part of the overall EMC strategy.

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16. CM Jumper Removed

The model is configured with the CM jumper removed.

This is a meaningful configuration detail.

When replacing an existing drive, engineers should compare the complete catalog number instead of looking only at voltage, current and power.

Two drives can have similar power ratings while having different grounding, common-mode or filtering configurations.

The complete model number should therefore be used when purchasing a replacement.

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17. Dynamic Braking

The model is listed without an internal dynamic-braking transistor.

This configuration can be entirely appropriate for many applications.

For example, centrifugal pumps and fans often do not require aggressive deceleration.

However, applications involving large rotating inertia may require additional braking analysis.

Examples include:

• Large conveyors.
• Crushers.
• Centrifuges.
• Hoists.
• Large drums.
• High-inertia fans.
• Heavy material-handling systems.

If fast deceleration is required, the braking strategy should be designed around the actual load inertia and operating cycle.

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18. Product Introduction

The 20G11BC1K2AN0NNNNN is designed for large-scale motor control.

It combines a high-current power section with the control and communication functions associated with the PowerFlex 755 platform.

The product is particularly suitable when the plant requires centralized control of large motors.

Rather than using a separate small drive for each modest motor, this type of high-power drive is used for major production equipment where motor capacity can reach hundreds of kilowatts.

Its large Frame 9 architecture provides the physical and electrical capacity required for these applications.

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19. Typical Applications

Large Pumping Systems

Large pumps are one of the strongest application areas for this drive.

Examples include:

• Raw-water pumps.
• Water-transfer pumps.
• Cooling-water pumps.
• Process pumps.
• Feed pumps.
• Circulation pumps.
• Industrial wastewater pumps.

Variable-speed operation allows the pump to match its output to process demand.

This can reduce unnecessary throttling and provide smoother control.

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20. Water Treatment

Large water-treatment facilities use many high-power motors.

Potential applications include:

• Intake pumps.
• Distribution pumps.
• Sludge pumps.
• Aeration equipment.
• Process-water pumps.
• Cooling systems.

The drive can provide centralized control and monitoring while the plant PLC handles the overall process.

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21. Large Industrial Fans

Large industrial fans can require hundreds of kilowatts.

Examples include:

• Furnace fans.
• Exhaust fans.
• Ventilation fans.
• Cooling fans.
• Mine ventilation systems.
• Process-air fans.
• Dust-extraction fans.

Variable-speed control can provide airflow according to the actual process requirement.

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22. Blower Systems

High-capacity blowers can also benefit from this drive.

Typical applications include:

• Wastewater aeration.
• Process air.
• Combustion air.
• Pneumatic conveying.
• Industrial drying.
• Furnace systems.

The drive allows blower speed to be adjusted instead of operating the motor continuously at a fixed speed.

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23. Conveyor Systems

Large conveyors are another important application.

A conveyor can have considerable inertia because of:

• Long belts.
• Large rollers.
• Gearboxes.
• Heavy material.
• Multiple drive components.

Starting such a system smoothly can reduce mechanical shock.

The drive can provide controlled acceleration and adjustable operating speed.

Potential benefits include:

• Reduced belt stress.
• Reduced gearbox stress.
• Reduced coupling shock.
• Smoother material movement.
• Better production control.

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24. Mining

The 20G11BC1K2AN0NNNNN is well suited to many large mining applications.

Potential applications include:

• Long conveyors.
• Crushers.
• Large dewatering pumps.
• Ventilation systems.
• Material-handling systems.
• Ore-processing equipment.
• Large fans.

Mining equipment often requires substantial motor power and reliable control.

The high current capability of this model provides a substantial operating range for large motors.

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25. Cement Industry

Large cement plants use many high-power motors.

Potential applications include:

• Crushers.
• Fans.
• Blowers.
• Conveyors.
• Pumps.
• Material-handling equipment.
• Process ventilation.
• Grinding-related equipment.

The ability to integrate the drive into a centralized automation system can be especially useful in large cement facilities.

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26. Compressor Systems

Large compressors can also use high-power variable-speed drives.

Potential applications include:

• Industrial air compressors.
• Process-gas compressors.
• Cooling compressors.
• Large process compressors.

Variable-speed operation can allow compressor output to better match process demand.

The exact suitability depends on compressor type, torque characteristics, minimum speed, maximum speed and acceleration requirements.

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27. Cooling Systems

Large cooling systems often use high-capacity pumps and fans.

The drive can regulate:

• Cooling-water flow.
• Fan speed.
• Circulation rate.
• Process temperature response.

This can improve the relationship between motor output and actual cooling demand.

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28. HVAC and Industrial Ventilation

Large HVAC and ventilation systems can also use high-power drives.

The main advantage is that airflow can be adjusted instead of maintaining full-speed operation all the time.

This can potentially reduce energy use when the building or industrial process does not require maximum airflow.

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29. Advantages of the 20G11BC1K2AN0NNNNN

High Current Capacity

The 1,175 A rating makes this a high-capacity drive for large motors.

High Power Capability

The 800 kW Low Duty and 710 kW Normal Duty ratings provide considerable power capacity.

Large Frame Construction

Frame 9 is designed for large industrial installations.

Centralized Control

Embedded EtherNet/IP allows the drive to become part of a larger automation network.

No Local HIM

For fully centralized control systems, the absence of a local HIM can simplify the equipment configuration.

Air-Cooled Design

Air cooling is a practical solution for large industrial installations where adequate ventilation is available.

Filtered Configuration

The EMC filter supports an appropriately engineered electrical installation.

Flexible Application Range

The drive can be used for pumps, fans, blowers, conveyors and other large motor-driven equipment.

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30. Main Advantages in Detail

Feature	Advantage
1,175 A output	Supports very large motors
800 kW Low Duty	Strong capacity for suitable variable-torque loads
710 kW Normal Duty	Suitable for many large industrial applications
560 kW Heavy Duty	Supports demanding applications
Frame 9	Large-power architecture
400 VAC class	Suitable for common industrial motor systems
Air cooled	Practical high-power thermal design
600 mm MCC depth	Suitable for industrial electrical lineups
Embedded EtherNet/IP	Centralized control and diagnostics
AC precharge	Appropriate high-power input arrangement
DC terminals	Flexible DC-bus architecture
EMC filter	Supports electrical-noise management
CM jumper removed	Defined common-mode configuration
No HIM	Suitable for centralized control systems

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31. Energy Efficiency and Process Control

One of the major reasons for using a variable frequency drive is to make motor output follow actual process requirements.

Consider a large pump.

If the process requires only part of the pump’s maximum flow, continuously running the motor at full speed and controlling flow through a valve can be inefficient.

A variable-speed drive can instead reduce motor speed.

The same principle applies to fans and blowers.

Actual energy savings depend on:

• Motor efficiency.
• Load characteristics.
• Operating hours.
• Speed range.
• Process demand.
• Mechanical efficiency.
• Control strategy.

Therefore, energy savings should be calculated from the actual operating profile rather than assumed solely from the presence of a VFD.

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32. Maintenance Considerations

Because the model does not include a local HIM, maintenance teams should have an appropriate external service and commissioning method.

The automation system can provide operating information, but maintenance planning should also consider:

• Drive parameter backup.
• Network access.
• Fault records.
• Alarm monitoring.
• Spare components.
• Cooling fan inspection.
• Electrical connection inspection.
• Cabinet cleanliness.
• Motor cable inspection.
• Grounding inspection.

For a high-power drive, preventive maintenance is particularly important.

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33. Cooling and Thermal Management

The drive is air cooled.

High-power switching components generate significant heat during operation.

The installation therefore needs adequate cooling airflow.

Important factors include:

• Ambient temperature.
• Ventilation.
• Air quality.
• Dust concentration.
• Cooling fan condition.
• Cabinet airflow.
• Air inlet and outlet clearance.

Dust buildup can reduce cooling performance.

Restricted airflow can increase component temperature and accelerate component aging.

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34. Installation Environment

The main enclosure is IP20 / Type 1.

This means the drive should be installed in an appropriate electrical environment rather than exposed directly to harsh weather or uncontrolled process contamination.

The installation area should provide:

• Protection from direct water.
• Suitable dust control.
• Adequate ventilation.
• Appropriate ambient temperature.
• Sufficient service space.
• Proper grounding.
• Suitable cable routing.

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35. Transportation and Handling

The approximate equipment weight is in the 1,250 kg class.

This is an important project consideration.

Before delivery, the installation team should check:

• Door dimensions.
• Elevator capacity.
• Floor loading.
• Transportation route.
• Forklift capacity.
• Crane capacity.
• Lifting points.
• Final installation location.

A drive of this size should be treated as heavy electrical equipment during logistics planning.

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36. Motor Selection

The drive should not be selected based only on the motor’s kW value.

The following motor parameters are important:

Motor Parameter	Why It Matters
Motor voltage	Must match the drive voltage class
Motor current	Critical sizing parameter
Motor power	Determines approximate capacity
Motor speed	Defines operating range
Motor frequency	Determines base operating point
Motor torque	Determines load suitability
Overload requirement	Determines duty class
Starting torque	Important for heavy loads
Acceleration time	Influences current demand
Deceleration time	Influences braking
Motor cable length	Can affect installation requirements
Motor insulation	Important for VFD operation
Duty cycle	Influences thermal loading

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37. Recommended Same-Series Models

The following models are useful related selections within the PowerFlex 755 high-power family.

Recommended Model	Series	Approx. Current Class	Approx. Power Class	Frame	Main Reason to Consider	Dimensions	Weight (kg)
20G11BC910AN0NNNNN	PowerFlex 755	910 A	Lower capacity	9	Lower-current alternative	600 mm deep MCC style	~1,250
20G11BC1K0AN0NNNNN	PowerFlex 755	1,040 A	630/560/500 kW class	9	Slightly smaller capacity	600 mm deep MCC style	~1,250
20G11BC1K1AN0NNNNN	PowerFlex 755	1,090 A	710/630/500 kW class	9	Closely related lower-current option	600 mm deep MCC style	~1,250
20G11BC1K2JN0NNNNN	PowerFlex 755	1,175 A	800/710/560 kW class	9	Direct configured successor with different CM/HIM configuration	600 mm deep MCC style	~1,250
20G11BC1K5AN0NNNNN	PowerFlex 755	Higher current class	~900/850/710 kW class	9	Higher-capacity alternative	600 mm deep MCC style	Configuration dependent

The exact dimensions and weight of related models can vary with cabinet configuration and options, so these figures should be treated as planning-level values rather than final mechanical drawing values.

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38. Related Model — 20G11BC1K0AN0NNNNN

The 20G11BC1K0AN0NNNNN is a logical choice when the motor requires somewhat less current than the target model.

Parameter	Specification
Model	20G11BC1K0AN0NNNNN
Series	PowerFlex 755
Voltage	400 VAC class
Current	Approximately 1,040 A class
Low Duty	Approximately 630 kW
Normal Duty	Approximately 560 kW
Heavy Duty	Approximately 500 kW
Frame	9
Cooling	Air cooled
HIM	None
Enclosure	IP20 / Type 1
Cabinet style	600 mm Deep MCC
Dimensions	Frame 9; approximately 600 mm depth
Weight (kg)	Approximately 1,250 kg class

This model may be preferable where the target 1,175 A capacity would be larger than necessary.

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39. Related Model — 20G11BC1K1AN0NNNNN

The 20G11BC1K1AN0NNNNN is another closely related model.

Parameter	Specification
Model	20G11BC1K1AN0NNNNN
Series	PowerFlex 755
Voltage	400 VAC
Current	Approximately 1,090 A
Low Duty	Approximately 710 kW
Normal Duty	Approximately 630 kW
Heavy Duty	Approximately 500 kW
Frame	9
Cooling	Air cooled
HIM	None
Enclosure	IP20 / Type 1
Cabinet style	600 mm Deep MCC
EMC	Filtered
Dimensions	Frame 9; 600 mm deep MCC style
Weight (kg)	Approximately 1,250 kg class

This is a good alternative when the required motor current is slightly below the 1,175 A level.

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40. Related Model — 20G11BC1K2JN0NNNNN

The 20G11BC1K2JN0NNNNN is particularly relevant because it represents the active replacement configuration for the same core 1,175 A class.

Parameter	Specification
Model	20G11BC1K2JN0NNNNN
Series	PowerFlex 755
Voltage	400 VAC
Output current	1,175 A
Low Duty	800 kW class
Normal Duty	710 kW
Heavy Duty	560 kW
Frame	9
Cooling	Air cooled
Enclosure	IP20 / Type 1
Cabinet style	600 mm Deep MCC
Dynamic braking	None
HIM	None
EMC	Filtered
CM jumper	Installed
Dimensions	Frame 9 / 600 mm deep MCC style
Weight (kg)	Approximately 1,250 kg class

The key difference is the configuration represented by the catalog code.

This model is particularly worth considering when replacing or upgrading an existing 20G11BC1K2AN0NNNNN installation.

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41. Related Model — 20G11BC1K5AN0NNNNN

The 20G11BC1K5AN0NNNNN is a higher-capacity member of the same family.

Parameter	Specification
Model	20G11BC1K5AN0NNNNN
Series	PowerFlex 755
Voltage	400 VAC class
Current	Approximately 1,480 A class
Low Duty	Approximately 900 kW
Normal Duty	Approximately 850 kW
Heavy Duty	Approximately 710 kW
Frame	9
Cooling	Air cooled
HIM	None
Cabinet	600 mm Deep MCC style
Enclosure	IP20 / Type 1
Dimensions	Frame 9; approximately 600 mm depth
Weight (kg)	Configuration dependent; approximately 1,250 kg class

This model should only be selected when the motor and process genuinely require the additional capacity.

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42. Five Same-Brand Recommended Models

For a wider product selection, the following models provide useful alternatives across different PowerFlex families and capacity levels.

Model	Series	Approx. Current / Power Class	Typical Application	Dimensions	Weight (kg)
20G11BC910JN0NNNNN	PowerFlex 755	~910 A	Large pumps, fans and conveyors	600 mm deep MCC style	~1,250
20G11BC1K0JN0NNNNN	PowerFlex 755	~1,040 A	Large process equipment	600 mm deep MCC style	~1,250
20G11BC1K1JN0NNNNN	PowerFlex 755	~1,090 A	Large industrial motors	600 mm deep MCC style	~1,250
20F1ANF263JN0NNNNN	PowerFlex 753	~263 A class	Large general-purpose industrial motors	Compact/medium frame	Configuration dependent
25B-D030N114	PowerFlex 525	~30 A class	Smaller industrial machines	Compact drive format	Configuration dependent

These models represent substantially different power levels.

The first three are closest to the target model and are appropriate for very large motors.

The PowerFlex 753 model provides a different platform for large industrial motor control.

The PowerFlex 525 is a much smaller drive intended for machine-level applications rather than the hundreds-of-kilowatts range.

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43. Same-Brand Comparison

Model	Series	Current Class	Power Class	Frame	Cooling	HIM	Dimensions	Weight (kg)
20G11BC910JN0NNNNN	PowerFlex 755	~910 A	~560/500/400 kW class	9	Air	None	600 mm deep MCC	~1,250
20G11BC1K0JN0NNNNN	PowerFlex 755	~1,040 A	~630/560/500 kW class	9	Air	None	600 mm deep MCC	~1,250
20G11BC1K1JN0NNNNN	PowerFlex 755	~1,090 A	~710/630/500 kW class	9	Air	None	600 mm deep MCC	~1,250
20G11BC1K2AN0NNNNN	PowerFlex 755	1,175 A	800/710/560 kW	9	Air	None	600 mm deep MCC	~1,250
20F1ANF263JN0NNNNN	PowerFlex 753	~263 A	Medium/high industrial class	Different frame	Air	Configuration dependent	Configuration dependent	Configuration dependent
25B-D030N114	PowerFlex 525	~30 A	Small/medium industrial class	Compact	Air	Integrated/configuration dependent	Compact	Configuration dependent

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44. Difference Between AN0 and JN0 Versions

The target model is:

20G11BC1K2AN0NNNNN

A closely related model is:

20G11BC1K2JN0NNNNN

Both belong to the same PowerFlex 755 high-power platform.

The key configuration difference is associated with the common-mode/filtering arrangement.

The target model uses the AN0 configuration with the CM jumper removed.

The related JN0 configuration uses the alternative CM-jumper arrangement.

This is why the complete catalog number should be checked before ordering a replacement.

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45. Difference Between HIM Configurations

For the same basic electrical capacity, PowerFlex 755 configurations can be selected with different operator-interface arrangements.

Configuration	Local HIM	Typical Reason
AN0 / JN0 type configuration	No local HIM	Centralized automation
JN2 configuration	Enhanced LCD Full Numeric	Local operation and commissioning
JN4 configuration	Enhanced LCD Full Numeric, IP66 / NEMA 4X/12	Protected local operation

For a fully automated plant, the no-HIM configuration can be perfectly reasonable.

For a machine requiring frequent local maintenance, a HIM-equipped configuration may be more convenient.

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46. Application Selection Guide

Application	Suitability	Comments
Large centrifugal pump	Excellent	Strong application fit
Process pump	Excellent	High-power variable speed
Cooling-water pump	Excellent	Good process control
Large fan	Excellent	Variable airflow
Industrial blower	Excellent	Adjustable process output
Long conveyor	Very Good	Check acceleration and braking
Mining conveyor	Very Good	High-current capacity
Crusher	Very Good	Evaluate Heavy Duty requirements
Cement equipment	Very Good	Large motor applications
Large compressor	Very Good	Evaluate torque/speed profile
Hoist	Application-specific	Braking is important
Crane	Application-specific	Regenerative behavior must be evaluated
Centrifuge	Application-specific	High-inertia deceleration
Small machine	Poor choice	Excessive capacity

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47. Commissioning Considerations

A typical commissioning process should include:

1. Confirm the complete catalog number.
2. Verify incoming three-phase voltage.
3. Confirm motor nameplate voltage.
4. Confirm motor nameplate current.
5. Confirm motor power.
6. Confirm motor frequency.
7. Enter motor parameters.
8. Select the appropriate control mode.
9. Configure the speed reference.
10. Verify motor direction.
11. Perform a low-speed test.
12. Test acceleration.
13. Test deceleration.
14. Check current.
15. Check motor temperature.
16. Configure EtherNet/IP.
17. Test PLC commands.
18. Test fault handling.
19. Test alarms.
20. Save the final configuration.

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48. Maintenance Recommendations

For a high-power Frame 9 drive, maintenance should be systematic.

Recommended checks include:

• Cooling fan condition.
• Airflow.
• Dust accumulation.
• Electrical connections.
• Ground connections.
• Cable termination.
• Control wiring.
• Network connections.
• Cabinet ventilation.
• Drive fault history.
• Motor current.
• Operating temperature.
• Parameter backup.

A maintenance schedule should be developed according to the operating environment and duty cycle.

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49. Spare Parts Planning

For a large industrial drive, downtime can be expensive.

A plant using this model may therefore consider maintaining appropriate spare components.

Potential spare strategies can include:

• Control components.
• Cooling fans.
• Communication components.
• Fuses and protective components.
• Interface components.
• Appropriate power-section service parts.

The exact spare-parts strategy depends on the plant’s maintenance philosophy and the criticality of the motor.

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50. Electrical Design Considerations

The high current level requires careful electrical engineering.

Important considerations include:

Input Protection

Incoming protection should be coordinated with the drive.

Motor Cable

Cable size should be selected according to current, installation method, ambient conditions and applicable standards.

Grounding

The drive and motor should have an appropriately engineered grounding system.

EMC

Power and control cables should be routed to minimize interference.

Cooling

Adequate airflow must be maintained.

Maintenance Clearance

The electrical room should allow safe access.

Short-Circuit Considerations

The complete system should be evaluated for short-circuit current and protective coordination.

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51. Why This Model Is Suitable for Large Industrial Plants

The 20G11BC1K2AN0NNNNN is not simply a high-power motor controller.

It is better understood as part of a larger industrial automation system.

The drive can provide the motor-control layer while the PLC provides process control.

For example:

Process Sensors

↓

PLC

↓

EtherNet/IP

↓

20G11BC1K2AN0NNNNN

↓

Large Motor

↓

Pump / Fan / Conveyor

This architecture allows the drive to respond to process commands while reporting operating information back to the automation system.

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52. Overall Strengths

The main strengths of the 20G11BC1K2AN0NNNNN can be summarized as follows:

Very High Current Rating

The 1,175 A output rating supports very large industrial motors.

High Power Rating

The 800 kW Low Duty rating provides substantial capacity.

Strong Normal Duty Capability

The 710 kW Normal Duty rating is suitable for many large industrial loads.

Heavy-Duty Capability

The 560 kW Heavy Duty rating provides a substantial margin for demanding applications.

Industrial Communication

Embedded EtherNet/IP supports centralized control.

Large Industrial Construction

Frame 9 is designed for high-power applications.

No Unnecessary Local Interface

The AN0 configuration is useful when all operation is handled through centralized automation.

Air Cooling

The air-cooled construction is practical for large electrical rooms and MCC lineups.

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53. Limitations to Consider

The model is powerful, but it is not suitable for every application.

Its major limitations include:

• Large physical size.
• High equipment weight.
• High installation cost.
• Significant electrical infrastructure requirements.
• Requires adequate cooling.
• IP20 / Type 1 enclosure requires a suitable installation environment.
• No local HIM.
• Applications requiring aggressive regenerative braking require additional engineering.
• Small motors would be poorly matched to this capacity.

These limitations are normal for a high-power industrial drive.

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54. Best Application Scenarios

The 20G11BC1K2AN0NNNNN is particularly attractive when all of the following conditions apply:

• The motor is very large.
• The supply is in the 400 VAC class.
• Motor current is close to the 1,175 A range.
• The plant uses centralized PLC control.
• EtherNet/IP integration is desired.
• Local HIM operation is not necessary.
• The installation has sufficient space.
• The electrical room can accommodate a Frame 9 cabinet.
• Adequate cooling is available.
• The application benefits from variable-speed operation.

When these conditions are present, the model can be a strong fit for the application.

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55. Final Technical Summary

Category	Final Specification
Model	20G11BC1K2AN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product	Air-Cooled 755 AC Packaged Drive
Input voltage	400 VAC class
Input phase	3 phase
Output current	1,175 A
Low Duty	800 kW
Normal Duty	710 kW
Heavy Duty	560 kW
Frame	9
Cooling	Air cooled
Enclosure	IP20 / Type 1
Cabinet	600 mm Deep MCC Style
Input	AC with precharge
DC terminals	Yes
EMC filter	Yes
CM jumper	Removed
Dynamic braking	None
HIM	None
Communication	Embedded EtherNet/IP
Depth	600 mm
Overall dimensions	Frame 9 MCC arrangement; exact height and width configuration dependent
Weight (kg)	Approximately 1,250 kg class

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56. Final Conclusion

The 20G11BC1K2AN0NNNNN is a high-capacity PowerFlex 755 AC packaged drive intended for large industrial motor applications.

Its 1,175 A output current, 800 kW Low Duty, 710 kW Normal Duty and 560 kW Heavy Duty ratings put it firmly in the large industrial drive category.

The Frame 9, air-cooled, 600 mm deep MCC-style construction provides a practical architecture for large electrical installations.

The integrated EtherNet/IP capability makes it well suited to centralized industrial automation.

The absence of a local HIM makes the AN0 configuration particularly appropriate for plants where the drive is controlled through a PLC, HMI or SCADA system.

For large pumps, fans, blowers, conveyors, compressors, mining equipment, cement machinery and other high-power rotating equipment, this drive offers a combination of high current capacity, centralized control and flexible variable-speed operation.

For applications requiring a lower current rating, the 20G11BC910, 20G11BC1K0 and 20G11BC1K1 configurations are logical alternatives.

For applications requiring more capacity, the 20G11BC1K5 configuration provides a higher-power option.

For the same basic 1,175 A class but with a different configuration, the 20G11BC1K2JN0NNNNN is an important related model to consider.

From a system-design perspective, the most important points to verify before purchase are the motor full-load current, duty classification, braking requirement, cabinet dimensions, installation clearance, cooling conditions, input protection, motor cable arrangement and automation-network requirements.

Because this is equipment in roughly the 1.25-ton class, mechanical handling and installation planning should also be completed before the equipment arrives.

Overall, the 20G11BC1K2AN0NNNNN is best viewed as a high-power, network-integrated industrial drive for large motor systems where centralized automation, high current capacity and reliable variable-speed control are more important than compact size or local keypad operation.