Product Introduction

The Allen-Bradley 22C-D072A103 is a PowerFlex 400 adjustable-frequency AC drive developed for industrial fan and pump control. With a rated output current of 72 A and a motor power rating of 37 kW (50 HP), it is suitable for demanding ventilation, HVAC, water supply, and fluid handling applications.

This model operates with 480V AC three-phase power and features a fixed integral keypad, LED display, and RS-485 communication interface. Its Frame E construction and IP30 (NEMA 1 / UL Type 1) enclosure are designed for industrial panel installations.

The 22C-D072A103 is supplied without a braking IGBT. When selecting a replacement or spare drive, verify the complete catalog number, input voltage, output current, enclosure rating, and braking requirements to ensure compatibility with the existing equipment.

Technical Specifications

Parameter	Specification
Brand	Allen-Bradley
Model	22C-D072A103
Product Series	PowerFlex 400
Product Type	Adjustable Frequency AC Drive
Application	Industrial Fan and Pump Control
Input Voltage	480V AC
Input Voltage Range	340–528V AC
Input Phase	Three-phase
Rated Output Current	72 A
Rated Motor Power	37 kW / 50 HP
Frame Size	Frame E
Enclosure Rating	IP30 / NEMA 1 / UL Type 1
User Interface	Integral Fixed Keypad
Display	LED
Communication Interface	RS-485
Braking IGBT	Not Included
Dimensions	370 × 605.5 × 259.2 mm
Weight	51.2 kg / 112.88 lb

Recommended Related Models

The following Allen-Bradley PowerFlex 400 models offer different power and current ratings within the same product family:

22C-D060A103 – PowerFlex 400 AC Drive, 30 kW, 40 HP, 60 A
22C-D088A103 – PowerFlex 400 AC Drive, 45 kW, 60 HP, 88 A
22C-D105A103 – PowerFlex 400 AC Drive, 55 kW, 75 HP, 105 A
22C-D142A103 – PowerFlex 400 AC Drive, 75 kW, 100 HP, 142 A

These models have different output ratings and frame requirements. Select a suitable drive according to the motor nameplate and application conditions.

Popular Related Models

Other Allen-Bradley PowerFlex 400 models that may be useful for comparison include:

22C-D045A103 – PowerFlex 400 AC Drive, 22 kW, 30 HP, 45.5 A
22C-D060A103 – PowerFlex 400 AC Drive, 30 kW, 40 HP, 60 A
22C-D088A103 – PowerFlex 400 AC Drive, 45 kW, 60 HP, 88 A
22C-D170A103 – PowerFlex 400 AC Drive, 90 kW, 125 HP, 170 A

Always verify the complete catalog number, electrical ratings, enclosure requirements, and installation dimensions before ordering or replacing a drive.

Applications

The Allen-Bradley 22C-D072A103 PowerFlex 400 AC Drive is designed for variable-speed control of industrial fans, pumps, and HVAC systems. With a rated motor power of 37 kW (50 HP) and a nominal output current of 72 A, it is suitable for larger motor-driven equipment requiring adjustable speed and process control.

Typical applications include:

Large industrial ventilation and exhaust systems
Water supply and circulation pump stations
HVAC and air-handling equipment
Cooling towers and industrial cooling systems
Process water and fluid transfer installations
Industrial fan and pump automation systems

The PowerFlex 400 platform is tailored to fan and pump applications where motor speed can be adjusted to meet changing airflow, pressure, or flow requirements.

Advantages and Key Features

Fan and Pump Control: Designed for variable-frequency operation in HVAC, ventilation, and fluid handling applications.
37 kW Motor Rating: Supports compatible motors rated up to 50 HP under the specified operating conditions.
72 A Output Current: Provides motor control for applications within the drive's rated current capacity.
480V Three-Phase Class: Intended for compatible industrial power systems.
Integrated Keypad: Provides local access to drive settings and operating status.
RS-485 Communication: Supports serial communication with compatible industrial automation equipment.
Industrial Enclosure Design: The A-frame configuration is intended for installation in an appropriate industrial environment.
Process Control Capability: Supports functions used in fan and pump systems, including PID-based process regulation.

Technical FAQs

Q1: What is the primary function of the 22C-D072A103?

It controls the speed of compatible three-phase AC motors by adjusting the output frequency and voltage. It is primarily designed for industrial fan and pump applications.

Q2: What is the rated motor power?

The rated motor power is 37 kW, equivalent to 50 HP.

Q3: What is the rated output current?

The rated output current is 72 A. Motor current, ambient temperature, and operating conditions should be considered when selecting the drive.

Q4: What input power supply does this model require?

It is designed for 480V AC three-phase power. Its specified input voltage range is 340–528V AC.

Q5: Does the 22C-D072A103 include a braking IGBT?

No. This model is supplied without a built-in braking IGBT. Applications requiring dynamic braking need an appropriate external braking arrangement.

Q6: What communication interface does it support?

The drive provides an RS-485 communication interface for integration with compatible industrial controllers and automation equipment.

Q7: Can it be integrated with a PLC?

Yes. It can be integrated into a PLC-based control system through its control terminals or supported RS-485 communication. Correct communication settings and parameter configuration are required.

Q8: What enclosure protection does this model provide?

It has an IP30 enclosure rated NEMA 1 / UL Type 1, making it suitable for installation in an appropriate industrial environment.

Q9: What should be checked if the drive trips during operation?

Check the displayed fault code, incoming power supply, motor current, mechanical load, motor wiring, and acceleration or deceleration settings. Correct the underlying issue before resetting the drive.

Q10: What installation precautions are important?

Provide adequate ventilation and installation clearance, ensure proper grounding, and follow the manufacturer's wiring and environmental requirements. Use appropriate electrical protection for the drive and connected motor.

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