ABB NBRC-51C 61353381 Brake Chopper Board

Overview

The ABB NBRC-51C 61353381 is a brake chopper control board designed for ABB industrial drive systems. It manages regenerative braking energy by controlling the DC bus voltage and activating an external braking resistor when overvoltage conditions occur, ensuring stable and safe drive performance under dynamic load changes.

General Information

Part Number: NBRC-51C / 61353381

Manufacturer: ABB

Brand / Country of Origin: ABB / Switzerland

Series: Drive Control & Protection Modules

Type: Brake Chopper Board

Application: DC bus overvoltage protection and braking energy control in industrial drives

Installation: Internal mounting inside ABB drive cabinet or control unit

Function: Controls braking resistor switching to dissipate regenerative energy

Power Specifications

Operating Supply: Powered via drive internal control system

DC Bus Monitoring: Integrated voltage sensing and threshold control

Switching Control: High-speed braking transistor trigger signal

Protection Features: Overvoltage and thermal protection via drive system

Energy Handling: Supports regenerative braking energy dissipation through external resistor

Communication & Interface

Control Interface: Direct connection to ABB drive control circuitry

Signal Type: DC bus monitoring and braking trigger signals

Output Function: Controls external braking chopper switching device

System Feedback: Fault and status information via drive diagnostics

Integration: Fully compatible with ABB industrial drive platforms

Environmental

Operating Temperature: -20 to +60 °C

Storage Temperature: -40 to +85 °C

Humidity: Up to 95% non-condensing

Cooling Method: Cabinet airflow or forced ventilation depending on installation

Installation Environment: Industrial control cabinet (protected environment)

Dimensions & Weight

Dimensions: 22 × 114 × 126 mm

Weight: 0.1 kg

Easy Installation, Ships Quickly!