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Product Overview

The Allen Bradley 20F1ANC170JN0NNNNN PowerFlex 753 AC Drive is an industrial variable-speed drive designed for controlling three-phase AC motors in automated machinery, production lines, material-handling equipment, pumps, fans, and process applications.

The model belongs to the PowerFlex 753 family and uses forced-air cooling. The verified product configuration is a 400 VAC, three-phase AC-input drive with precharge, 170 A output current, 90 kW normal-duty rating, 75 kW heavy-duty rating, Frame 6 construction, embedded I/O, filtered input, and no dynamic-braking transistor. The configuration is specified as IP20/IP00, NEMA/UL Open Type, with no HIM included.

The dimensions supplied for this product are 665.5 × 308 × 346.4 mm, with a listed product weight of 38.6 kg. The dimensions are also consistent with current product information for this catalog number.

The PowerFlex 753 is designed to operate as the motor-control layer within an industrial automation system. It can receive commands from a PLC or other control equipment and regulate motor operation according to configured parameters.

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Product Identification

Parameter	Specification
Manufacturer	Allen Bradley
Product Family	PowerFlex 753
Model	20F1ANC170JN0NNNNN
Product Type	PowerFlex 753 AC Drive
Input Type	AC Input with Precharge
Input Voltage	400 VAC
Input Phase	3 Phase
Output Current	170 A
Normal-Duty Rating	90 kW
Heavy-Duty Rating	75 kW
Cooling	Forced Air
Frame Size	Frame 6
Enclosure	IP20/IP00, NEMA/UL Open Type
Dynamic Braking	None
Embedded I/O	Yes
Dimensions	665.5 × 308 × 346.4 mm
Weight	38.6 kg
HIM	Not Included

The electrical configuration above is based on the identified catalog-number configuration; the supplied dimensions and weight are retained as provided for this product listing.

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Technical Specifications

Technical Item	Specification
Brand	Allen Bradley
Series	PowerFlex 753
Catalog Number	20F1ANC170JN0NNNNN
Drive Type	AC Variable-Speed Drive
Voltage Class	400 VAC
Input	3-Phase AC
Output Current	170 A
Normal-Duty Power	90 kW
Heavy-Duty Power	75 kW
Cooling Method	Forced Air
Frame	6
Input Configuration	AC Input with Precharge
DC Terminals	None
Dynamic Braking Transistor	None
EMC Filtering	Filtered
CM Jumper	Installed
Enclosure Rating	IP20/IP00
Enclosure Type	NEMA/UL Open Type
Embedded I/O	Included
Dimensions	665.5 × 308 × 346.4 mm
Weight	38.6 kg

The manufacturer’s current product description identifies this exact model as a 170 A, 400 VAC, three-phase, Frame 6 PowerFlex 753 with 90 kW normal-duty and 75 kW heavy-duty ratings.

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What Is the Allen Bradley 20F1ANC170JN0NNNNN?

The 20F1ANC170JN0NNNNN is a high-power configuration of the Allen Bradley PowerFlex 753 AC Drive family.

Its primary function is to regulate the electrical power delivered to an AC motor so that the motor can operate at controlled speeds and under controlled acceleration and deceleration profiles.

A simplified industrial architecture is:

Three-Phase AC Supply

↓

PowerFlex 753

↓

AC Motor

↓

Mechanical Load

The drive can simultaneously communicate with the machine control system:

PLC / Controller

↓

Run Command + Speed Reference

↓

PowerFlex 753

↓

Motor

This architecture allows the controller to manage the machine sequence while the drive manages motor operation.

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Working Principle

The basic power-conversion process can be represented as:

AC Input

↓

Input Power Stage

↓

DC Bus

↓

Power Switching

↓

Variable AC Output

↓

Motor

The drive changes the electrical conditions supplied to the motor according to its configured operating mode and commands.

This allows the motor to accelerate and decelerate in a controlled manner rather than being subjected to an uncontrolled direct start.

For industrial machinery, this can help coordinate motor speed with the production process.

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400 VAC and 170 A Configuration

The 20F1ANC170JN0NNNNN is identified as a 400 VAC, three-phase, 170 A configuration.

Its specified ratings include:

• 90 kW normal duty
• 75 kW heavy duty
• 170 A output current
• 400 VAC input
• Three-phase operation
• Frame 6
• Forced-air cooling

These values are important when selecting the motor, protective equipment, cabinet, cables, and associated electrical infrastructure.

The drive should not be selected only by motor horsepower. Motor current, duty cycle, overload requirements, acceleration characteristics, environmental conditions, and application load profile should also be considered.

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Role in Industrial Automation

The PowerFlex 753 can function as the motor-control layer below a PLC.

A typical control structure is:

HMI

↓

PLC

↓

PowerFlex 753

↓

AC Motor

↓

Mechanical Equipment

The PLC determines when the machine should start, stop, accelerate, decelerate, or change speed. The drive interprets the relevant commands and controls the motor.

The drive can also be integrated with industrial communication systems through suitable communication hardware.

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Typical Industrial Applications

The 20F1ANC170JN0NNNNN can be considered for applications such as:

• Large conveyor systems
• Material-handling machinery
• Industrial pumps
• Fans
• Blowers
• Production machinery
• Process equipment
• Packaging lines
• Manufacturing systems
• Industrial mixers
• Automated processing equipment
• Large machine tools
• Industrial ventilation systems
• General-purpose motor applications

The appropriate application depends on the motor rating, load characteristics, environmental conditions, control method, and required duty cycle.

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Installation Considerations

1. Verify the Catalog Number

Before installation, verify:

Allen Bradley 20F1ANC170JN0NNNNN

The catalog number should match the approved electrical design.

This is particularly important because similar PowerFlex 753 catalog numbers can have different voltage, braking, filtering, and hardware configurations.

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2. Verify Electrical Ratings

Confirm that the electrical system is suitable for the drive configuration.

The identified configuration uses:

400 VAC / 3 Phase / 170 A

and is rated at:

90 kW Normal Duty / 75 kW Heavy Duty.

The incoming power system, protective equipment, motor, and wiring should be selected accordingly.

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3. Check the Physical Dimensions

The supplied dimensions are:

665.5 × 308 × 346.4 mm

The cabinet should provide additional space for:

• Cable routing
• Cooling airflow
• Maintenance
• Terminal access
• Communication wiring
• Inspection
• Safe removal

Do not design the enclosure around the exact external dimensions without considering service clearance.

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4. Consider the Drive Weight

The supplied product weight is:

38.6 kg

This is a substantial mechanical load.

The mounting plate and cabinet structure should be capable of securely supporting the drive.

During installation or replacement, appropriate mechanical handling procedures should be used.

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5. Verify Cooling

The identified configuration uses forced-air cooling.

The cabinet therefore needs an appropriate thermal-management strategy.

Check:

• Airflow
• Cooling fans
• Ventilation
• Cabinet temperature
• Dust accumulation
• Air passages

Blocked airflow can increase drive temperature and contribute to protective trips or shortened component life.

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6. Verify Grounding

Proper protective grounding should be established before energizing the drive.

Grounding is important for:

• Personnel safety
• Electrical noise management
• Equipment protection
• Shielding performance
• Communication stability

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7. Connect Incoming Power

Connect the incoming power according to the approved electrical drawings.

Before energization, verify:

• Voltage
• Phase
• Protective devices
• Terminal connections
• Grounding
• Cable routing

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8. Connect the Motor

Connect the motor according to the approved machine wiring.

Inspect:

• Motor phase connections
• Cable insulation
• Motor grounding
• Terminal tightness
• Cable routing
• Motor condition

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9. Connect Control and Communication Wiring

Depending on the application, the drive may use:

• Digital inputs
• Digital outputs
• Analog signals
• Start/stop commands
• Speed references
• Communication modules
• Feedback devices
• PLC control

Because the specified configuration has no HIM, commissioning and configuration should be planned around the available external programming and communication methods.

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Pre-Commissioning Checklist

Item	Check
Catalog Number	20F1ANC170JN0NNNNN
Input Voltage	400 VAC
Input Phase	3 Phase
Output Current	170 A
Motor Rating	Compatible
Mounting	Secure
Grounding	Connected
Input Wiring	Correct
Motor Wiring	Correct
Cooling	Adequate
Control Wiring	Correct
Communication	Correct
Protective Devices	Installed
Cabinet	Suitable

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Commissioning Procedure

Step 1 — Inspect the Installation

Confirm that mechanical and electrical installation is complete.

Step 2 — Verify Motor Data

Obtain the motor nameplate information.

Typical information includes:

• Voltage
• Current
• Frequency
• Power
• Speed
• Motor connection

Step 3 — Configure the Drive

Enter the appropriate motor and application parameters using the selected configuration method.

Step 4 — Select the Command Source

Determine whether the drive receives commands from:

• Local configuration
• Hardwired control
• PLC
• Communication network
• Other control equipment

Step 5 — Configure the Speed Reference

Select the appropriate speed-reference source.

Step 6 — Configure Acceleration

Set an acceleration profile suitable for the motor and mechanical load.

Step 7 — Configure Deceleration

Set a suitable deceleration profile.

Step 8 — Perform a Controlled Test

Start the motor under controlled conditions.

Check:

• Direction
• Current
• Speed
• Drive status
• Vibration
• Noise

Step 9 — Test Under Load

Gradually introduce the mechanical load.

Monitor motor current and drive status.

Step 10 — Test Automation Control

Verify PLC commands, speed references, status signals, and communication.

Step 11 — Back Up Parameters

Save the final operating configuration.

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Troubleshooting Guide

Problem 1 — Drive Does Not Start

Possible causes:

• No input power
• Incorrect power wiring
• Open protective device
• Incorrect command source
• Active fault
• Drive enable condition not satisfied

Check:

Power → Drive Status → Command Source → Enable → Fault History

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Problem 2 — Motor Does Not Run

Possible causes:

• Missing run command
• Incorrect control source
• Incorrect speed reference
• Active interlock
• Motor wiring problem
• Drive fault

Verify the complete command path from the PLC or control system to the motor.

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Problem 3 — Overcurrent During Acceleration

Possible causes:

• Excessive load
• Acceleration too fast
• Incorrect motor data
• Mechanical obstruction
• Motor problem

Check both electrical configuration and mechanical loading.

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Problem 4 — Overcurrent During Normal Running

Possible causes:

• Excessive process load
• Mechanical friction
• Motor fault
• Incorrect motor configuration
• Mechanical obstruction

Compare the motor current with the normal operating condition.

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Problem 5 — Overvoltage During Deceleration

Possible causes:

• Deceleration too short
• High-inertia load
• Regenerative energy
• Braking arrangement unsuitable for the application

Review the deceleration profile and mechanical load characteristics.

The specified catalog configuration has no dynamic-braking transistor, so braking requirements should be considered carefully when designing applications involving substantial regenerative energy.

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Problem 6 — Drive Overheating

Possible causes:

• Cooling fan problem
• Blocked airflow
• High cabinet temperature
• Excessive load
• Dust contamination
• Inadequate cabinet thermal design

Check the cooling system before assuming an internal drive failure.

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Problem 7 — Motor Runs at Incorrect Speed

Possible causes:

• Incorrect speed reference
• Incorrect scaling
• Incorrect motor parameters
• Incorrect command source
• Communication problem

Compare the commanded speed with the actual motor behavior.

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Problem 8 — Motor Speed Is Unstable

Possible causes:

• Unstable reference
• Incorrect control parameters
• Communication instability
• Feedback problem
• Variable mechanical load

Determine whether the source is the controller, drive, feedback system, or mechanical process.

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Problem 9 — Motor Vibrates Excessively

Possible causes:

• Mechanical imbalance
• Motor mounting problem
• Bearing condition
• Mechanical resonance
• Incorrect motor configuration
• Electrical interference

Inspect the motor and mechanical system as well as the drive.

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Problem 10 — PLC Cannot Control the Drive

Possible causes:

• Incorrect communication configuration
• Network problem
• Incorrect command source
• PLC logic problem
• Incorrect speed-reference source
• Drive configuration mismatch

Trace:

PLC → Network → Drive → Motor

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Problem 11 — Communication Is Intermittent

Possible causes:

• Damaged cable
• Loose connector
• Electrical interference
• Incorrect network settings
• Network hardware problem

Start with the physical network connection before modifying software parameters.

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Problem 12 — Drive Trips When Load Is Applied

Possible causes:

• Mechanical overload
• Motor overload
• Excessive acceleration
• Mechanical obstruction
• Process load increase

Compare operation with and without the mechanical load.

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Problem 13 — Drive Trips After Extended Operation

Possible causes:

• Thermal accumulation
• Cooling problem
• Long-term overload
• High ambient temperature
• Motor overheating
• Intermittent electrical connection

Record the conditions immediately before the fault.

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Systematic Diagnostic Workflow

For recurring problems, use a structured sequence:

Incoming Power

↓

Drive Status

↓

Fault History

↓

Motor Parameters

↓

Command Source

↓

Speed Reference

↓

Motor Wiring

↓

Motor Condition

↓

Cooling

↓

Mechanical Load

↓

Communication

↓

PLC Logic

This approach helps prevent unnecessary replacement of a functioning drive when the actual problem is located elsewhere in the system.

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Preventive Maintenance

Drive and Cabinet

Inspect regularly for:

• Dust
• Contamination
• Loose connections
• Physical damage
• Overheating
• Cooling obstruction

Forced-Air Cooling

Because this configuration uses forced-air cooling, inspect the cooling system as part of routine maintenance.

Check:

• Cooling airflow
• Fan operation
• Air passages
• Cabinet temperature
• Dust accumulation

Electrical Connections

Inspect:

• Input terminals
• Motor terminals
• Grounding
• Control wiring
• Communication connections

Motor

Monitor:

• Current
• Temperature
• Vibration
• Noise
• Mechanical load

Configuration

Maintain backups of:

• Motor parameters
• Drive parameters
• Command source
• Speed reference
• Communication settings
• PLC configuration

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Preventive Maintenance Checklist

Area	Maintenance Action
Drive Housing	Inspect for damage
Mounting	Verify mechanical security
Input Wiring	Inspect terminals
Motor Wiring	Check connections
Grounding	Verify grounding
Cooling Fan	Check operation
Airflow	Keep passages clear
Cabinet	Monitor temperature
Motor Current	Monitor abnormal increases
Motor Temperature	Check operating condition
Vibration	Monitor changes
Communication	Verify stability
Fault History	Review recurring events
Parameters	Maintain current backup

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Replacement Procedure

Step 1 — Back Up the Configuration

Save the existing drive parameters before removal.

Step 2 — Record Wiring

Document:

• Incoming power
• Motor wiring
• Ground
• Control wiring
• Communication
• Feedback connections

Step 3 — Stop the Machine

Bring the equipment to a safe state.

Step 4 — Isolate Power

Disconnect electrical power according to the approved site safety procedure.

Allow the required discharge period and verify the appropriate safe electrical condition before accessing power connections.

Step 5 — Remove the Existing Drive

Disconnect wiring and remove the drive.

The supplied weight is 38.6 kg, so appropriate mechanical handling should be planned.

Step 6 — Inspect the Cabinet

Check:

• Mounting plate
• Fasteners
• Cable condition
• Grounding
• Cooling
• Adjacent equipment

Step 7 — Install the Replacement

Secure the 20F1ANC170JN0NNNNN in the designated position.

Step 8 — Reconnect Wiring

Reconnect:

• Input power
• Motor
• Grounding
• Control
• Communication
• Feedback where applicable

Step 9 — Restore Configuration

Load the validated parameters.

Step 10 — Verify Motor Data

Confirm that the configured motor information matches the installed motor.

Step 11 — Perform Controlled Testing

Check:

• Motor direction
• Current
• Speed
• Drive status
• Vibration
• Noise

Step 12 — Test PLC Control

Verify commands, references, status signals, and communication.

Step 13 — Perform Loaded Testing

Gradually return the machine to normal operation.

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Compatible System Components

The PowerFlex 753 architecture can be integrated with several types of automation equipment:

Component Type	Typical Role
PLC	Machine sequence control
HMI	Operator interface
Communication Module	Network integration
Encoder / Feedback Module	Motor or speed feedback
I/O Module	Hardwired control
Circuit Protection	Electrical protection
Disconnect	Power isolation
AC Motor	Mechanical power source
External Braking Equipment	Braking applications where required
Control Cabinet	Mechanical and environmental protection

The specific option modules and system components should be selected according to the application and required functions.

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Key Advantages

• PowerFlex 753 industrial AC drive platform
• 400 VAC three-phase configuration
• 170 A output-current rating
• 90 kW normal-duty rating
• 75 kW heavy-duty rating
• Frame 6 construction
• Forced-air cooling
• Embedded I/O
• Filtered configuration
• AC input with precharge
• No DC terminals in this configuration
• IP20/IP00 NEMA/UL Open Type construction
• Suitable for PLC-based automation
• Specified dimensions of 665.5 × 308 × 346.4 mm
• Supplied weight of 38.6 kg
• Suitable for large industrial motor-control applications

The electrical characteristics and configuration are supported by the current product information for the exact catalog number.

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Frequently Asked Questions

What is the Allen Bradley 20F1ANC170JN0NNNNN?

The 20F1ANC170JN0NNNNN is an Allen Bradley PowerFlex 753 AC Drive configured for 400 VAC three-phase operation and 170 A output current.

What is the normal-duty rating?

The identified configuration is rated at 90 kW normal duty.

What is the heavy-duty rating?

The identified configuration is rated at 75 kW heavy duty.

What is the output current?

The catalog configuration has an output-current rating of 170 A.

What are the dimensions?

The supplied dimensions are:

665.5 × 308 × 346.4 mm

What is the weight?

The supplied product weight is:

38.6 kg

What type of cooling does this drive use?

The identified configuration uses forced-air cooling.

Does this model have a dynamic-braking transistor?

No. The exact 20F1ANC170JN0NNNNN configuration is specified without a dynamic-braking transistor.

Does the drive include a HIM?

The identified configuration is specified with a blank/no HIM configuration.

Why is the drive overheating?

Check forced-air cooling, cabinet temperature, airflow, fan condition, dust accumulation, motor load, and installation conditions.

Why does the drive trip during acceleration?

Possible causes include excessive mechanical load, overly aggressive acceleration, incorrect motor parameters, mechanical obstruction, or motor problems.

Why does the drive trip during deceleration?

A high-inertia load can return energy to the drive. Because this exact configuration has no dynamic-braking transistor, the application should be evaluated carefully when substantial regenerative energy is expected.

Can it be integrated with a PLC?

Yes. The PowerFlex 753 family is designed for integration into industrial automation architectures, with built-in I/O and available communication and option modules.

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Conclusion

The Allen Bradley 20F1ANC170JN0NNNNN PowerFlex 753 AC Drive is a high-capacity industrial variable-speed drive configured for 400 VAC three-phase input, 170 A output current, 90 kW normal-duty operation, and 75 kW heavy-duty operation. The exact configuration uses forced-air cooling, embedded I/O, filtered input, AC input with precharge, Frame 6 construction, and no dynamic-braking transistor.

With supplied dimensions of 665.5 × 308 × 346.4 mm and a listed weight of 38.6 kg, the drive requires careful attention to cabinet structure, mechanical mounting, cooling, cable routing, and safe handling.

Installation should begin with verification of the catalog number and electrical ratings. The 400 VAC supply, 170 A drive rating, motor requirements, protective devices, grounding, and cabinet cooling should all be confirmed before energization.

During commissioning, accurate motor data and correct command and speed-reference sources are essential. A controlled low-speed test should be completed before full-load operation so that motor direction, current, acceleration, deceleration, communication, and mechanical response can be verified.

For troubleshooting, technicians should evaluate the complete system rather than automatically assuming a drive fault. Power supply, configuration, control commands, communication, motor wiring, motor condition, cooling, and mechanical loading can all contribute to abnormal operation.

Routine preventive maintenance should focus on forced-air cooling, cabinet temperature, electrical connections, motor condition, communication, fault history, and parameter backups. A structured maintenance program can help reduce unexpected downtime and simplify future drive replacement.

With correct installation, commissioning, preventive maintenance, and systematic fault diagnosis, the Allen Bradley 20F1ANC170JN0NNNNN PowerFlex 753 AC Drive provides a robust solution for large industrial AC motor-control applications.