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Allen-Bradley 20G1ANF046JN0NNNNN — PowerFlex 755 AC Drive

The 20G1ANF046JN0NNNNN is a high-power industrial AC variable frequency drive designed for controlling three-phase AC motors in demanding industrial automation and process-control applications.

It belongs to the PowerFlex 755 family and is configured for 690 VAC, three-phase input, with a rated output current of 46 A. Its normal-duty power rating is 37 kW, while its heavy-duty rating is 30 kW.

This particular configuration uses Frame 6, forced-air cooling, an open-type IP20/IP00 construction, embedded EtherNet/IP communication, AC input with precharge, and a filtered configuration with the common-mode capacitor jumper installed.

The following information is organized for product selection, technical comparison, purchasing documentation, equipment descriptions and preliminary cabinet planning.

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1. Product Basic Information

Important: The dimensions and weight above should be treated as approximate engineering reference values. For final cabinet fabrication, mounting-hole positioning, clearance calculations and replacement work, the exact mechanical configuration of the supplied unit should be checked.

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2. Product Introduction

The 20G1ANF046JN0NNNNN is an industrial variable frequency drive intended for applications where a three-phase AC motor needs controlled speed, acceleration, deceleration and torque.

The drive is designed around a 690 VAC electrical system, making it suitable for industrial facilities and machinery that use higher-voltage motor systems.

With a 46 A output rating, the drive provides a substantial power range for industrial motors. Its 37 kW normal-duty rating makes it suitable for applications where the motor operates under relatively stable load conditions, while the 30 kW heavy-duty rating provides a reference point for applications with greater torque demand and more demanding operating conditions.

The PowerFlex 755 platform is designed for integration into industrial automation systems rather than being limited to simple standalone motor-speed control. The embedded EtherNet/IP capability allows the drive to participate in a networked control architecture.

The 20G1ANF046JN0NNNNN is also configured with forced-air cooling. This is particularly important for a drive of this power level because heat generated during power conversion must be removed effectively.

The unit is an open-type drive intended to be installed inside an appropriately designed electrical cabinet or control enclosure. It is therefore normally incorporated into a larger electrical system rather than installed as an exposed standalone device.

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3. Understanding the Model Number

The catalog number 20G1ANF046JN0NNNNN contains configuration information that identifies the electrical and mechanical characteristics of the drive.

The important practical information represented by the model includes the following:

For purchasing and replacement purposes, the complete catalog number should be used rather than selecting a drive only by its power rating.

Two drives may have similar kW ratings while having different input-voltage classes, filtering configurations, braking arrangements, communication options or operator-interface configurations.

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4. Main Electrical Parameters

The most important electrical specification of the 20G1ANF046JN0NNNNN is its 690 VAC three-phase configuration.

The 690 V class is commonly encountered in higher-power industrial installations because increasing motor voltage can help manage current levels in larger motor systems.

The drive is rated at 46 A, with a normal-duty power rating of 37 kW and a heavy-duty power rating of 30 kW.

When selecting the drive for an actual motor, the motor nameplate current should be considered carefully rather than selecting purely according to motor kW.

Motor efficiency, power factor, operating conditions, altitude, ambient temperature, overload requirements, acceleration requirements and application duty can all influence the appropriate drive selection.

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5. Normal-Duty and Heavy-Duty Ratings

One useful feature of this product family is the distinction between normal-duty and heavy-duty operation.

For this model, the principal ratings are:

Normal-duty operation is generally associated with applications where the load is comparatively predictable and the motor does not repeatedly experience very high starting or acceleration torque.

Typical examples include centrifugal pumps, fans, blowers and certain continuous-process machines.

Heavy-duty operation is more relevant when the motor experiences higher torque requirements, frequent acceleration, mechanical resistance or more demanding load conditions.

Typical examples can include conveyors, mixers, material-handling equipment and machinery with substantial starting torque.

The actual selection should always be made from the motor’s rated current and the application’s duty requirements rather than from the kW figure alone.

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6. Physical Parameters

Physical dimensions are particularly important when replacing an existing drive or designing a new control cabinet.

The approximate reference dimensions for this configuration are 570 × 345 × 377 mm, with an approximate weight of 14.51 kg.

The drive should not simply be placed into a cabinet based on its external dimensions.

Because forced-air cooling is used, cabinet designers need to consider airflow, heat dissipation, ambient temperature and the positioning of nearby heat-producing components.

Adequate space should also be reserved for power cables, motor cables, control wiring and maintenance access.

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7. Communication and Control

One of the important characteristics of this configuration is embedded EtherNet/IP communication.

This allows the drive to be incorporated into a networked industrial automation system.

Instead of operating only from local pushbuttons or a local operator interface, the drive can participate in a larger control architecture in which a controller communicates with the drive.

Typical information exchanged within such an automation system can include:

• Motor operating speed
• Speed reference
• Motor current
• Drive status
• Run/stop commands
• Fault information
• Warning information
• Operating condition
• Process-related control information

This makes the drive particularly suitable for machines where several drives, controllers, sensors and other automation components need to work together.

The particular catalog configuration does not include a local HIM operator interface, so local operating requirements should be considered when designing the complete system.

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8. Product Applications

The 20G1ANF046JN0NNNNN can be used across a wide range of industrial motor-control applications.

Conveyor Systems

Conveyors often require controlled acceleration, adjustable running speed and controlled stopping.

Using a variable frequency drive allows the motor speed to be adjusted according to the production process.

For example, a conveyor can operate at a lower speed during inspection or processing and increase speed when higher material throughput is required.

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Pumps

The drive can be used with industrial pump systems where motor speed needs to change according to process requirements.

Variable-speed operation can provide greater control over flow and pressure compared with operating a motor continuously at a fixed speed.

Common applications include industrial water systems, process pumps, circulation systems and other large motor-driven pumping equipment.

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Fans and Blowers

Large industrial fans and blowers frequently benefit from variable-speed control.

The drive can adjust motor speed according to ventilation, airflow or process requirements.

This can be useful in industrial ventilation systems, manufacturing equipment, process-air systems and large air-handling installations.

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Material Handling Equipment

Material-handling machinery often requires controlled starting and stopping.

The drive can be incorporated into systems such as conveyors, transport equipment and production-line material movement systems.

Controlled acceleration can also help reduce mechanical shock in the drivetrain.

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Mixers

Industrial mixers may require different speeds for different stages of a process.

A variable frequency drive allows the motor speed to be adjusted to suit the process requirements.

This is useful in chemical processing, food processing, manufacturing and other industries where mixing speed is part of the production process.

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Production Machinery

The drive can be integrated into larger automated production systems.

EtherNet/IP communication makes it possible to connect the drive with other automation equipment and coordinate motor operation with the overall machine sequence.

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Process Equipment

Large process machines often need continuous speed adjustment rather than simply ON/OFF motor operation.

The PowerFlex 755 platform can be incorporated into these systems to provide controlled motor operation.

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9. Main Product Advantages

9.1 690 VAC Capability

The 690 VAC configuration makes this drive suitable for higher-voltage industrial motor systems.

This is particularly useful in installations where motors operate at 690 V and where the electrical architecture is designed around this voltage level.

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9.2 46 A Output Capacity

The 46 A rating provides a substantial operating range for industrial motor applications.

Combined with the 37 kW normal-duty rating, the drive can be applied to a wide range of medium-to-high-power industrial machinery.

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9.3 37 kW Normal-Duty Rating

The 37 kW normal-duty rating provides a clear reference for selecting the drive for motors operating under normal load conditions.

It gives the system designer a practical power-class reference while still requiring the motor’s actual current and duty requirements to be checked.

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9.4 EtherNet/IP Integration

Embedded EtherNet/IP communication is one of the most useful features for modern automation systems.

It allows the drive to be incorporated into a networked control architecture, reducing the need for a completely independent control structure for each drive.

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9.5 Forced-Air Cooling

Forced-air cooling provides a practical thermal-management method for this class of industrial drive.

Proper cabinet ventilation is still essential.

The cabinet designer should take into consideration the drive’s heat generation, surrounding equipment, ambient temperature and airflow path.

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9.6 Filtered Configuration

The specified configuration includes filtering and the common-mode capacitor jumper installed.

This configuration can assist with managing electrical noise associated with drive switching.

Proper grounding, cable routing, motor-cable installation and EMC practices remain important.

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9.7 PowerFlex 755 Platform

The PowerFlex 755 family covers a broad range of industrial AC-drive requirements.

This makes it easier for engineering teams to standardize drive architecture across multiple machines while selecting different current and power ratings according to the motor.

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10. Recommended Same-Series Models

The following five models are closely related to the target model and belong to the same PowerFlex 755 family.

They are particularly relevant when the application also uses a 690 VAC three-phase motor system.

*The dimensions and weight shown for related Frame 6 configurations are approximate reference values and should not replace the exact mechanical drawing for a specific catalog configuration.

These models are useful when the required motor current is lower or higher than the 46 A rating of the main model.

For example, a machine with a motor requiring approximately 30 A would normally be evaluated against the 30 A model rather than selecting the 46 A unit simply because it belongs to the same family.

Likewise, a larger motor may require the 50 A configuration or another higher-current PowerFlex 755 model.

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11. Same-Series Model Comparison

The important point is that these are not simply different model numbers with the same electrical characteristics.

The current rating increases from one model to another, and the corresponding motor power capability changes accordingly.

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12. Five Related Models From the Same Brand

For applications that do not necessarily require the exact 690 VAC PowerFlex 755 configuration, several other models from the same brand can be considered.

These should be treated as related products rather than direct drop-in replacements, because voltage class, power range, control architecture, physical dimensions and available functions can differ.

The models above illustrate the broader range available within the same product family.

When moving from a 690 VAC model to a lower-voltage configuration, the drive should not be considered interchangeable solely because the kW rating appears similar.

Input voltage, motor current, overload requirements, wiring, protective devices, cabinet arrangement and motor compatibility all need to be checked.

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13. Product Selection Table

For engineering teams, the following table provides a practical selection reference.

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14. Typical Industrial System Configuration

A typical installation using this drive can include several major components.

The incoming electrical supply is connected through the appropriate protection and disconnect equipment to the drive input.

The drive then converts the incoming electrical power into a controlled variable-frequency output for the three-phase motor.

The motor can therefore operate at different speeds according to the required process command.

A controller or automation network can communicate with the drive through EtherNet/IP.

A simplified system structure can be represented as:

Industrial Power Supply → Protection / Disconnect → PowerFlex 755 Drive → Three-Phase Motor → Mechanical Load

and:

PLC / Automation Controller ↔ EtherNet/IP ↔ Drive

This architecture allows motor control to become part of a larger automated machine or production system.

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15. Cabinet Installation Considerations

Because this is an open-type industrial drive, it should normally be installed inside a suitable electrical cabinet.

The cabinet design should consider:

• Drive dimensions
• Mounting arrangement
• Cable-entry space
• Power cable bending radius
• Motor cable routing
• Control cable routing
• Ventilation
• Heat dissipation
• Ambient temperature
• Service clearance
• Electrical protection
• Grounding
• EMC considerations
• Maintenance accessibility

The approximate 570 × 345 × 377 mm physical envelope provides a starting point for cabinet planning.

However, the cabinet should not be designed solely around the basic width, height and depth.

Additional clearance may be necessary for airflow and maintenance.

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16. Advantages for Automation Systems

The product is particularly useful where motor control needs to be incorporated into a larger automation system.

The embedded EtherNet/IP communication allows drive operation to be integrated with centralized control.

For example, a production line may have several motors performing different tasks.

One motor may drive a conveyor, another may operate a pump and another may control a process machine.

Instead of controlling each motor independently, the drives can be incorporated into the overall automation structure.

This can simplify system coordination and provide centralized access to operating information.

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17. Advantages for Motor Speed Control

Traditional fixed-speed motor operation generally provides limited flexibility.

A variable frequency drive allows motor speed to be adjusted according to the process.

For example, a motor that does not need to operate continuously at maximum speed can be controlled at a lower speed during part of the process.

This can provide better process control and, depending on the application, can also reduce unnecessary motor operation.

The actual energy-saving effect depends heavily on the type of load.

Pumps and fans, for example, can respond differently to speed changes compared with constant-torque machinery.

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18. Advantages for Acceleration and Deceleration

Directly starting a large motor can produce significant electrical and mechanical stress.

A variable frequency drive can provide controlled acceleration.

This can be beneficial for conveyor systems, material-handling machines and production equipment where sudden acceleration could cause mechanical shock.

Controlled deceleration can similarly help the machine transition between operating states more smoothly.

The exact braking requirements of the application must still be evaluated separately.

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19. Application Matching

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20. Important Points Before Replacement

If the 20G1ANF046JN0NNNNN is being purchased as a replacement for an existing drive, the old drive’s complete catalog number should be compared.

Do not select a replacement only because both drives are rated at approximately 37 kW.

The following items should be checked:

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21. Overall Product Description

The 20G1ANF046JN0NNNNN is a high-power industrial AC drive within the PowerFlex 755 series.

Its principal electrical characteristics are a 690 VAC three-phase input, 46 A output rating, 37 kW normal-duty capacity and 30 kW heavy-duty capacity.

The Frame 6 mechanical platform, forced-air cooling and open-type construction make it suitable for installation inside an industrial control cabinet.

The embedded EtherNet/IP communication capability is particularly useful for automated production lines and process-control systems where the drive needs to communicate with a controller and other automation equipment.

Its filtered configuration and installed common-mode capacitor jumper are also relevant when integrating the drive into an industrial electrical system.

From an application standpoint, the drive can be used for conveyors, pumps, fans, blowers, mixers, material-handling systems, process machinery and other three-phase AC motor applications requiring adjustable speed.

Its approximate physical size is 570 × 345 × 377 mm, with an approximate weight of 14.51 kg. These figures are suitable for preliminary engineering calculations, but the exact physical drawing should be used for final cabinet design.

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22. Recommended Related Models at a Glance

*Approximate Frame 6 reference dimensions and weight; exact configuration should be verified before final mechanical design.

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23. Final Technical Summary

Overall, the 20G1ANF046JN0NNNNN is a 690 VAC, 46 A, 37 kW-class industrial variable frequency drive designed for integration into larger automation and motor-control systems.

Its combination of higher-voltage operation, 46 A current capacity, PowerFlex 755 architecture, forced-air cooling, filtered configuration and embedded EtherNet/IP makes it suitable for a wide range of medium-to-high-power industrial motor applications.

For product selection, the most important parameters to confirm are motor voltage, motor full-load current, normal-duty/heavy-duty requirements, braking requirements, communication requirements, cabinet dimensions and environmental conditions. The catalog number should be matched in full when purchasing or replacing an existing unit.