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Allen-Bradley 20G1ANF142JN0NNNNN PowerFlex 755 AC Drive

1. Product Overview

The Allen-Bradley 20G1ANF142JN0NNNNN is a high-power AC variable frequency drive belonging to the PowerFlex 755 Series. It is designed for demanding industrial motor-control applications where reliable speed regulation, torque control, process integration, and stable operation are required.

This model is rated for 690 VAC, three-phase input power and provides a continuous output current rating of 142 A for Normal Duty operation. Its rated power is 132 kW for Normal Duty and 110 kW for Heavy Duty, making it suitable for large industrial motors and high-power mechanical loads.

The drive uses an air-cooled, open-type construction and is identified as a Frame 6 PowerFlex 755 drive. The configuration includes an AC input with precharge and does not use external DC terminals in the standard configuration.

The model also incorporates embedded EtherNet/IP communication, allowing the drive to be integrated into industrial automation systems for command, monitoring, diagnostics, parameter management, and process control.

The JN configuration is an important part of the model designation. Compared with configurations that include an internal dynamic braking transistor, this version is intended for applications where that particular internal braking hardware is not required. This makes the model appropriate for systems in which the motor load does not require frequent high-energy regenerative braking or where braking is handled by another system arrangement.

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2. Basic Product Information

Parameter	Specification
Model	20G1ANF142JN0NNNNN
Brand	Allen-Bradley
Product Series	PowerFlex 755
Product Type	AC Variable Frequency Drive
Drive Category	High-Power Industrial AC Drive
Input Voltage	690 VAC
Input Phase	3 Phase
Rated Output Current	142 A
Normal Duty Power	132 kW
Heavy Duty Power	110 kW
Frame Size	Frame 6
Cooling Method	Air Cooled / Forced Air
Enclosure Type	Open Type
Protection Classification	IP00/IP20 installation style depending on enclosure arrangement
Input Configuration	AC Input with Precharge
DC Terminals	No external DC terminals
Internal Braking Transistor	Not included in JN configuration
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Filter Configuration	Filtered configuration with CM jumper installed
Application Type	General-purpose industrial motor control
Mounting	Panel / cabinet installation
Approximate Dimensions	665.5 × 308 × 346.4 mm
Approximate Weight	48–50 kg, configuration dependent

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3. Brand and Product Series

Brand: Allen-Bradley

Series: PowerFlex 755

Model: 20G1ANF142JN0NNNNN

The PowerFlex 755 family is designed for industrial applications that require more than basic motor speed adjustment. It is intended for applications where motor performance, process control, communication, diagnostics, and integration with an automation system are important.

The 20G1ANF142JN0NNNNN represents the 690 V class of the PowerFlex 755 family and occupies the 142 A rating position within the 690 V product range.

Its position between the 119 A and 171 A models makes it particularly useful when a 690 V motor requires more capacity than the 119 A unit can provide, while a larger Frame 7 drive would otherwise be unnecessary.

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4. Detailed Technical Specifications

Technical Parameter	20G1ANF142JN0NNNNN
Model	20G1ANF142JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Input Voltage	690 VAC
Voltage Class	500–690 VAC class
Input Phase	3 Phase
Output Current	142 A
Normal Duty Current	142 A continuous
Normal Duty 1-Minute Current	Approximately 156 A
Normal Duty 3-Second Current	Approximately 213 A
Normal Duty Power	132 kW
Heavy Duty Current	Approximately 119 A
Heavy Duty 1-Minute Current	Approximately 179 A
Heavy Duty 3-Second Current	Approximately 214 A
Heavy Duty Power	110 kW
Frame	Frame 6
Cooling	Air Cooled / Forced Air
Enclosure	Open Type
AC Input	Yes
Input Precharge	Included
DC Terminals	None
Dynamic Braking Transistor	Not included in JN configuration
Embedded Ethernet	EtherNet/IP
HIM	Blank / No HIM
Filter	Filtered
CM Jumper	Installed
Dimensions	Approx. 665.5 × 308 × 346.4 mm
Weight	Approx. 48–50 kg
Installation	Electrical cabinet / control panel
Application	Industrial motor speed and torque control

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5. Electrical Rating

The main electrical characteristic of the 20G1ANF142JN0NNNNN is its 690 VAC three-phase rating.

This voltage class is commonly selected for large industrial motors because higher motor voltage allows high motor power to be delivered at a lower current than would be required at lower voltage levels.

The drive provides a 142 A Normal Duty output rating and a 132 kW Normal Duty power rating.

For applications with greater torque demand or more severe operating conditions, the same drive is rated at 110 kW Heavy Duty.

The distinction between Normal Duty and Heavy Duty is important when selecting a drive. A motor should not be matched only according to its nameplate horsepower or kilowatt value. The actual load profile, acceleration requirements, overload requirements, operating cycle, and required torque must also be considered.

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6. Normal Duty and Heavy Duty Operation

The PowerFlex 755 rating system provides different capacity levels depending on the application.

For the 20G1ANF142JN0NNNNN, the primary Normal Duty rating is:

142 A / 132 kW

The Heavy Duty rating is:

Approximately 119 A / 110 kW

Normal Duty operation is generally appropriate for applications where the motor load has moderate overload requirements and the drive operates primarily within its continuous current range.

Heavy Duty operation is more suitable for applications involving higher starting torque, more demanding acceleration, heavier mechanical loading, or more frequent overload conditions.

This dual-rating approach allows the same drive platform to be applied to different types of machinery, provided the actual motor and load requirements remain within the applicable rating.

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7. Model Number Interpretation

The complete catalog number is:

20G1ANF142JN0NNNNN

The model number identifies the PowerFlex 755 family, voltage class, current rating, and configuration.

The 20G designation identifies the PowerFlex 755 family.

The F portion corresponds to the 690 V class used in this product family.

The 142 identifies the nominal 142 A output-current class.

The J configuration is associated with the filtered configuration and CM jumper arrangement.

The N configuration identifies the version without the internal dynamic braking transistor used in the corresponding braking-equipped configuration.

The remaining characters represent standard catalog configuration positions and option selections.

For ordering and replacement purposes, the complete catalog number should always be used rather than selecting a drive based only on the 142 A rating.

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8. Product Introduction

The 20G1ANF142JN0NNNNN is intended for large-scale industrial motor control where 690 V operation and high motor power are required.

The drive provides adjustable-frequency control so that motor speed can be matched to actual process requirements rather than operating continuously at full line frequency.

For pumps, fans, conveyors, mixers, compressors, material-handling systems, and process machinery, this type of control can provide significantly more flexibility than fixed-speed motor operation.

The drive can regulate motor speed according to process demand, allowing machinery to operate at different production rates without requiring mechanical speed-control equipment.

The integrated communication capability also allows the drive to become part of a larger control system rather than operating as an isolated motor controller.

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9. Dimensions and Weight

The 20G1ANF142JN0NNNNN belongs to the Frame 6 class of the PowerFlex 755 690 V product family.

A practical reference dimension for this Frame 6 configuration is approximately:

665.5 mm × 308 mm × 346.4 mm

The approximate physical weight is:

48–50 kg

The actual shipping or installed weight can vary depending on the exact configuration, accessories, mounting arrangement, packaging, and selected options.

For cabinet design, the dimensions of the drive itself should not be treated as the complete enclosure requirement. Additional clearance may be required for cable routing, ventilation, heat dissipation, service access, and electrical connections.

Physical Parameter	Specification
Model	20G1ANF142JN0NNNNN
Frame Size	Frame 6
Approx. Height	665.5 mm
Approx. Width	308 mm
Approx. Depth	346.4 mm
Approx. Weight	48–50 kg
Cooling	Forced Air
Installation Type	Open Type
Cabinet Mounting	Recommended
Service Clearance	Required according to installation arrangement

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10. Cooling System

The drive uses an air-cooled design.

At 132 kW Normal Duty, heat management is an important part of system design. The drive generates heat during operation, particularly under high load, high ambient temperature, or continuous high-current operation.

Proper cabinet ventilation should therefore be considered during installation.

The cooling airflow should not be obstructed by nearby equipment, cable bundles, filters, contactors, or cabinet components.

For high-power applications, cabinet temperature, airflow direction, ventilation capacity, and surrounding equipment should be considered together.

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11. Applications

The 20G1ANF142JN0NNNNN can be used in a wide range of industrial motor-control applications.

Large Industrial Pumps

The drive can be used with high-power water pumps, process pumps, circulation pumps, cooling-water pumps, and industrial transfer pumps.

Variable-speed control allows the motor to operate according to process requirements instead of running continuously at full speed.

This can also improve process control where flow and pressure need to be adjusted continuously.

Fans and Blowers

Large ventilation fans, exhaust systems, combustion-air fans, cooling fans, and industrial blowers can benefit from variable-frequency speed control.

The 690 V / 132 kW rating makes this model suitable for large air-handling equipment.

Conveyors

The drive can control large conveyor motors used in manufacturing plants, processing facilities, warehouses, mining-related equipment, and bulk-material systems.

Controlled acceleration can reduce mechanical shock to belts, couplings, gearboxes, and driven machinery.

Mixers and Agitators

Large industrial mixers often require controlled acceleration and stable running speed.

The drive can provide adjustable speed and controlled motor operation for mixing, agitation, blending, and process equipment.

Material Handling Equipment

Large material-handling systems can use the drive for controlled motor speed, acceleration, and process coordination.

Applications can include large conveyors, feeders, transfer systems, lifting-related auxiliary equipment, and other high-power mechanical systems where the motor must operate under changing process conditions.

Process Machinery

The drive is also suitable for large process machines where motor speed needs to follow production requirements.

The integrated communication capability makes it suitable for systems where drive status and motor operation need to be monitored from a central automation system.

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12. Major Advantages

High-Power 690 V Operation

The 690 V rating makes this drive suitable for large industrial motor systems where high power is required.

The higher voltage class allows large motor power to be handled without the very high current levels that would occur at lower motor voltages.

132 kW Normal Duty Rating

With a Normal Duty rating of 132 kW, the drive provides substantial capacity for industrial machinery.

This makes it appropriate for applications where smaller drives would be operating too close to their maximum capacity.

110 kW Heavy Duty Rating

The Heavy Duty rating of approximately 110 kW provides additional flexibility when the application requires more demanding motor operation.

This is useful when selecting a drive based on load characteristics rather than simply matching the motor’s nominal kW rating.

142 A Output Rating

The 142 A output class provides a useful capacity point between the 119 A and 171 A models in the same 690 V product family.

This can help reduce unnecessary oversizing when a 119 A drive is insufficient but a larger Frame 7 unit is not yet required.

Embedded EtherNet/IP

The embedded EtherNet/IP capability allows the drive to communicate with an industrial automation system.

Drive commands, status information, operating parameters, alarms, and diagnostic information can be incorporated into the control architecture.

Industrial Control Flexibility

The PowerFlex 755 platform is designed for applications requiring more than simple frequency adjustment.

Depending on the overall system configuration, it can support advanced motor-control strategies, feedback options, communication, diagnostics, and coordinated machine operation.

Air-Cooled Design

The air-cooled construction provides a practical solution for industrial cabinets and equipment rooms where forced-air ventilation is available.

It also avoids the complexity associated with liquid cooling systems.

Filtered Configuration

The specified configuration includes filtering and the corresponding CM jumper arrangement.

This is useful when electrical noise and electromagnetic compatibility need to be considered as part of the overall drive installation.

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13. JN Configuration Characteristics

One of the most important distinctions of 20G1ANF142JN0NNNNN is the JN configuration.

The JN version does not include the internal dynamic braking transistor found in the corresponding braking-equipped configuration.

This does not mean that the drive cannot be used in applications involving controlled deceleration. Instead, the braking requirements need to be evaluated separately.

If the motor and load require rapid deceleration with significant regenerative energy, the complete braking architecture should be designed accordingly.

For applications where natural deceleration, controlled ramp-down, mechanical braking, or an external braking solution is sufficient, the JN configuration can be a practical choice.

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14. Control and Automation

The drive is designed to operate as part of an industrial automation environment.

Embedded EtherNet/IP allows the drive to exchange information with a control system without necessarily requiring a separate basic communication interface.

Typical information exchanged in an automation system can include:

• Start and stop commands.
• Speed references.
• Output frequency.
• Motor current.
• Drive status.
• Fault conditions.
• Warning conditions.
• Operating state.
• Diagnostic information.
• Parameter values.

This makes the drive suitable for centralized motor-control architectures.

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15. Installation Considerations

Because this is a high-power 690 V drive, installation should be performed by qualified personnel familiar with high-voltage industrial equipment.

The cabinet should provide sufficient physical space for the drive and adequate clearance for airflow and maintenance.

Cable routing should be planned before installation.

Power cables and control cables should be arranged appropriately to reduce unwanted electrical interference.

Grounding should be implemented correctly.

The cabinet cooling system should be capable of removing the heat generated by the drive and other electrical equipment.

The motor cable length, motor insulation characteristics, grounding arrangement, switching frequency, and overall system design should also be considered during engineering.

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16. Maintenance Considerations

Regular inspection is recommended for high-power variable frequency drive installations.

Cooling airflow should remain unobstructed.

Fans and ventilation passages should be checked periodically.

Electrical connections should be inspected according to the maintenance schedule used for the installation.

The drive should also be monitored for unusual temperature rise, abnormal noise, repeated fault conditions, or unexpected motor behavior.

Keeping the cabinet clean and maintaining suitable environmental conditions can contribute to stable long-term operation.

For critical production systems, maintaining a replacement strategy is also useful.

A spare drive with a compatible rating or a documented replacement model can reduce downtime if a drive requires service.

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17. Recommended Same-Series Models

The following models are closely related to the 20G1ANF142JN0NNNNN within the 690 V PowerFlex 755 family.

Model	Voltage	Current	Normal Duty	Heavy Duty	Frame	Cooling
20G1ANF082JN0NNNNN	690 VAC	82 A	75 kW	55 kW	Frame 6	Air Cooled
20G1ANF098JN0NNNNN	690 VAC	98 A	90 kW	75 kW	Frame 6	Air Cooled
20G1ANF119JN0NNNNN	690 VAC	119 A	110 kW	90 kW	Frame 6	Air Cooled
20G1ANF142JN0NNNNN	690 VAC	142 A	132 kW	110 kW	Frame 6	Air Cooled
20G1ANF171JN0NNNNN	690 VAC	171 A	160 kW	132 kW	Frame 7	Air Cooled

These models form a practical progression for 690 V motor applications.

The 82 A and 98 A models are appropriate for smaller motors, while the 119 A model provides approximately 110 kW Normal Duty capacity.

The 142 A model increases the Normal Duty capacity to 132 kW.

The 171 A model moves into the larger Frame 7 size and provides 160 kW Normal Duty capacity.

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18. Same-Series Comparison

Model	Output Current	Normal Duty	Heavy Duty	Frame	Approx. Dimensions	Approx. Weight
20G1ANF082JN0NNNNN	82 A	75 kW	55 kW	Frame 6	Approx. 665.5 × 308 × 346.4 mm	Approx. 48–50 kg
20G1ANF098JN0NNNNN	98 A	90 kW	75 kW	Frame 6	Approx. 665.5 × 308 × 346.4 mm	Approx. 48–50 kg
20G1ANF119JN0NNNNN	119 A	110 kW	90 kW	Frame 6	Approx. 665.5 × 308 × 346.4 mm	Approx. 48–50 kg
20G1ANF142JN0NNNNN	142 A	132 kW	110 kW	Frame 6	Approx. 665.5 × 308 × 346.4 mm	Approx. 48–50 kg
20G1ANF171JN0NNNNN	171 A	160 kW	132 kW	Frame 7	Configuration dependent	Configuration dependent

The 142 A model is particularly useful when the required motor power is around the 132 kW Normal Duty range.

One practical advantage of the Frame 6 models is that several different current and power ratings can share a similar physical platform, although actual dimensions, clearances, cooling requirements, and mounting details should always be checked for the specific configuration.

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19. Five Related Models from the Same Brand

The following models are useful related products from the same Allen-Bradley drive portfolio.

Model	Product Family	Voltage Class	Current	Power Rating	Typical Use
20G1AGF142JN0NNNNN	PowerFlex 755	690 VAC	142 A	132 kW ND / 110 kW HD	Enclosed / higher-protection industrial installation
20G1ANF171JN0NNNNN	PowerFlex 755	690 VAC	171 A	160 kW ND / 132 kW HD	Larger high-power motor systems
20G1ANF119JN0NNNNN	PowerFlex 755	690 VAC	119 A	110 kW ND / 90 kW HD	Large pumps, fans, conveyors
20G1ANF098JN0NNNNN	PowerFlex 755	690 VAC	98 A	90 kW ND / 75 kW HD	Medium-large industrial machinery
20G1AND156JN0NNNNN	PowerFlex 755	480 VAC	156 A	Approx. 125 HP ND / 100 HP HD	Lower-voltage industrial motor applications

The 20G1AGF142JN0NNNNN is particularly relevant when the application requires a different enclosure arrangement while retaining a similar 142 A / 132 kW capacity.

The 20G1ANF171JN0NNNNN is the natural higher-capacity option within the same 690 V family.

The 20G1ANF119JN0NNNNN is a useful lower-capacity alternative when the motor load falls within the 110 kW Normal Duty range.

The 20G1ANF098JN0NNNNN is suitable for applications where approximately 90 kW Normal Duty capacity is sufficient.

The 20G1AND156JN0NNNNN belongs to the same general PowerFlex 755 family but is intended for a different voltage class, making it relevant when the plant motor system operates at approximately 480 VAC rather than 690 VAC.

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20. Dimensions and Weight Comparison

Model	Frame	Approx. Height	Approx. Width	Approx. Depth	Approx. Weight
20G1ANF082JN0NNNNN	Frame 6	665.5 mm	308 mm	346.4 mm	48–50 kg
20G1ANF098JN0NNNNN	Frame 6	665.5 mm	308 mm	346.4 mm	48–50 kg
20G1ANF119JN0NNNNN	Frame 6	665.5 mm	308 mm	346.4 mm	48–50 kg
20G1ANF142JN0NNNNN	Frame 6	665.5 mm	308 mm	346.4 mm	48–50 kg
20G1ANF171JN0NNNNN	Frame 7	Configuration dependent	Configuration dependent	Configuration dependent	Configuration dependent

Dimensions and weights above are intended as practical reference values. The final cabinet design should use the dimensional information applicable to the exact hardware configuration being supplied.

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21. Typical Industrial Applications

Application	Typical Motor Requirement	Why This Drive Is Suitable
Large Water Pump	High power / variable flow	Adjustable speed and process control
Cooling-Water Pump	Continuous operation	Stable speed regulation
Industrial Fan	High-power motor	Variable airflow control
Exhaust Blower	Large motor	Controlled ventilation
Conveyor	High starting load	Controlled acceleration
Material Handling	Variable mechanical load	Adjustable speed and torque
Mixer	High starting torque	Controlled motor operation
Agitator	Continuous variable speed	Process optimization
Process Pump	Variable pressure/flow	Closed-loop process control
Large Machine Tool Auxiliary System	High-power motor	Precise speed management
Industrial Production Line	Coordinated motor control	Network integration
Bulk Material System	High-power drive	Reliable motor control

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22. Product Selection Advantages

When selecting a drive for a large 690 V motor, several factors should be considered together.

The first is motor voltage.

A 690 V motor should normally be matched with a drive designed for the corresponding voltage class.

The second is continuous current.

The motor’s rated current should be compared with the drive’s applicable Normal Duty or Heavy Duty current rating.

The third is overload requirement.

A motor used for a pump or fan may have a different overload profile from a conveyor, crusher, mixer, or other mechanically demanding machine.

The fourth is braking requirement.

Because the 20G1ANF142JN0NNNNN is a JN configuration without the internal dynamic braking transistor, applications requiring rapid braking should be reviewed carefully before selection.

The fifth is environmental protection.

This model is an open-type drive, so the final installation normally requires an appropriate electrical cabinet or enclosure arrangement.

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23. Why the 142 A Model Is Important in the Product Range

The 142 A rating occupies an important position in the 690 V PowerFlex 755 range.

The preceding 119 A model provides approximately 110 kW Normal Duty capacity.

The 142 A model increases this to approximately 132 kW.

The next major step is the 171 A model, which provides approximately 160 kW Normal Duty capacity and moves to Frame 7.

For equipment designers, this means the 142 A model can often provide the required capacity without immediately moving to the larger Frame 7 platform.

This can be useful when the motor rating, cabinet layout, installation space, and overall system capacity are all being considered together.

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24. Consolidated Product Parameter Table

Parameter	Detailed Specification
Model	20G1ANF142JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Drive Type	AC Variable Frequency Drive
Voltage	690 VAC
Phase	Three Phase
Output Current	142 A
Normal Duty Power	132 kW
Heavy Duty Power	110 kW
Normal Duty Current	142 A
Heavy Duty Current	Approximately 119 A
Normal Duty 1-Minute Current	Approximately 156 A
Normal Duty 3-Second Current	Approximately 213 A
Heavy Duty 1-Minute Current	Approximately 179 A
Heavy Duty 3-Second Current	Approximately 214 A
Frame	Frame 6
Cooling	Air Cooled / Forced Air
Enclosure	Open Type
Protection Style	IP00/IP20 installation arrangement
Input	AC Input
Precharge	Included
DC Terminals	No
Internal DB Transistor	No
Communication	Embedded EtherNet/IP
Filter	Filtered
CM Jumper	Installed
HIM	Blank / No HIM
Mounting	Panel / Cabinet
Approx. Height	665.5 mm
Approx. Width	308 mm
Approx. Depth	346.4 mm
Approx. Weight	48–50 kg
Application	Industrial motor control
Suitable Motor Range	Up to approximately 132 kW ND, subject to motor and load conditions

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25. Product Summary

The Allen-Bradley 20G1ANF142JN0NNNNN is a high-capacity PowerFlex 755 AC drive designed for large industrial motors operating in the 690 V three-phase class.

With a 142 A output rating, 132 kW Normal Duty capacity, and 110 kW Heavy Duty capacity, it is positioned for substantial industrial machinery and process applications.

Its Frame 6 construction, air-cooled design, AC input with precharge, filtered configuration, and embedded EtherNet/IP communication make it suitable for integration into larger industrial control systems.

The open-type construction means that cabinet and enclosure design are important parts of the overall installation.

The JN configuration does not include the internal dynamic braking transistor, so braking requirements should be evaluated separately when the application involves rapid deceleration or significant regenerative energy.

For applications such as large pumps, fans, blowers, conveyors, mixers, agitators, process machinery, and material-handling systems, this model provides a combination of high-power 690 V operation and industrial automation capability.

When selecting this drive as a replacement or new installation, the most important points to verify are the motor nameplate voltage, motor current, required Normal Duty or Heavy Duty rating, overload profile, braking requirements, enclosure arrangement, cooling conditions, communication requirements, and available cabinet space.

For a 690 V system requiring approximately 132 kW Normal Duty capacity, the 20G1ANF142JN0NNNNN represents a specific Frame 6 configuration within the PowerFlex 755 family and can be compared directly with the 119 A and 171 A models when determining the appropriate drive capacity.