20F11ND077AA0NNNNN

Overview of Allen-Bradley 20F11ND077AA0NNNNN PowerFlex 753 AC Drive

The Allen-Bradley 20F11ND077AA0NNNNN is a PowerFlex 753 adjustable frequency AC drive designed for industrial motor control. It supports 380-480 VAC, 3-phase input, delivering 77 amps continuous current suitable for motors up to 60 HP normal duty and 50 HP heavy duty. This air-cooled, open-type drive is configured with filtered input and includes a dynamic braking transistor for enhanced control.

Key Features

• PowerFlex 753 series: Compact, air-cooled, open-type AC drives for factory floor automation.
• 77 A continuous output current supporting up to 60 HP motors on normal duty.
• Compatible with 380-480 VAC, 3-phase power supply.
• Filtered input with common mode jumper removed for reduced electrical noise.
• Incorporates dynamic braking transistor for improved motor speed control.
• Optional human interface modules for enhanced programming and monitoring.
• Multiple control methods including vector and V/Hz control for flexible operation.
• Comprehensive protection features including thermal, overload, and fault detection.

Technical Specs

Parameter	Specification
Model Number	20F11ND077AA0NNNNN
Drive Type	PowerFlex 753 AC Drive
Input Voltage	380-480 VAC, 3-phase
Output Current	77 Amps continuous
Motor Power	60 HP Normal Duty, 50 HP Heavy Duty
Cooling	Air cooled
Drive Type	Open type
Filtered Input	Yes, CM Jumper Removed
Dynamic Braking	Included
Optional HIM	Available

Applications / Use Case

This drive is primarily used in industrial environments for controlling pumps, fans, conveyors, and other motor-driven systems requiring precise and reliable speed and torque control.

Allen-Bradley PowerFlex drives are quality assured by Rockwell Automation and conform to industrial standards for performance and safety.