20F11NC085JA0NNNNN Allen Bradley PowerFlex 753 AC Drive 45 kW

Product Overview

• 20F11NC085JA0NNNNN is a variable frequency AC drive from Allen Bradley.
• It belongs to the PowerFlex 753 series.
• This drive delivers 45 kW under normal duty conditions.
• It works with three-phase power systems.
• The rated current is 85 Amps.
• It uses an open enclosure rated IP20/IP00 and NEMA/UL Type Open.
• Air cooling keeps the unit stable during long runs.
• It fits many motor control tasks with precise speed and torque regulation.

Technical Specifications

• Brand: Allen Bradley
• Model: 20F11NC085JA0NNNNN
• Product Type: Variable Frequency AC Drive
• Product Line: PowerFlex 753
• UPC: 884951166417
• Weight: 70.00 lbs (31.75 kg)
• Power Rating (Normal Duty): 45 kW
• Power Rating (Heavy Duty): 37 kW
• Rated Current: 85 Amps
• Voltage Class: 400V AC / 540V DC
• Phase: 3-phase input
• Frame Size: Frame 5
• Enclosure Type: IP20/IP00, NEMA/UL Type Open
• Cooling Method: Air-cooled
• Embedded I/O: Included
• Option Slots: 3 available (feedback, safety, communication)
• Dynamic Braking Transistor: Included
• CM Jumper: Installed
• Human Interface Module (HIM): Not included (plastic cover installed)

Installation Guide

• Mount the drive in a clean, dry cabinet.
• Keep the open enclosure away from dust and moisture.
• Provide enough space for air cooling around the unit.
• Connect three-phase input power to the correct terminals.
• Use the CM jumper as installed for common mode setup.
• Add feedback, safety, or communication modules to the three option slots as needed.
• Wire the dynamic braking transistor for faster deceleration if required.
• Fit a remote HIM if local setup is needed (HIM not included).

Commissioning and Maintenance Ease

• Embedded I/O cuts the need for extra hardware.
• Three option slots allow quick upgrades later.
• The installed CM jumper shortens setup time.
• Air cooling needs only basic airflow checks.
• A plastic cover protects the HIM port when unused.
• Check terminal tightness during scheduled service.
• Clean air paths regularly to prevent overheating.

Compatibility Notes

• Designed for three-phase input at 400V AC class.
• Supports standard motor control with speed and torque regulation.
• Accepts feedback, safety, and communication option modules.
• Works in PowerFlex 753 system architectures.
• A remote HIM is required for local panel operation.

Certification and Standards

• Enclosure rated IP20/IP00.
• Enclosure classified as NEMA/UL Type Open.
• UPC: 884951166417 for easy identification.

Packing List

• One Allen Bradley 20F11NC085JA0NNNNN AC drive.
• Plastic cover installed on the HIM port.
• Human Interface Module not included.
• Option modules and cables are not included.

FAQ

• Q: What power does this drive deliver under normal duty?
• A: It delivers 45 kW at 85 Amps.
• Q: Does the package include a Human Interface Module?
• A: No. A plastic cover sits in its place.
• Q: How many option slots does the unit have?
• A: It has three slots for feedback, safety, or communication.
• Q: What is the enclosure rating?
• A: It is IP20/IP00 and NEMA/UL Type Open.
• Q: Does it include dynamic braking?
• A: Yes. A dynamic braking transistor is built in.
• Q: What voltage class does this model use?
• A: It uses a 400V AC class with three-phase input.
• Q: How much does the drive weigh?
• A: It weighs 70.00 lbs (31.75 kg).
• Q: In practice, what should I check first on startup?
• A: Confirm airflow and terminal tightness before power-up.
• Q: What is a common mistake when installing this drive?
• A: Blocking the air path in the cabinet. Keep clearance on all sides.
• Q: Can I add a remote panel for local control?
• A: Yes. Fit a compatible HIM, since none ships with the unit.
• Q: How do I handle long deceleration cycles?
• A: Wire the built-in braking transistor to a braking resistor.