ABB SR91C790 1MRK002239-BBr02 Power Board

Overview

The ABB SR91C790 1MRK002239-BBr02 Power Board is an industrial electronic power distribution component designed for protection and control systems. It provides stable internal power regulation and distribution to connected modules, ensuring reliable operation in demanding substation and automation environments.

General Information

Part Number: 1MRK002239-BBr02 / SR91C790

Manufacturer: ABB

Brand: ABB

Country of Origin: Switzerland/Sweden

Series: Protection & Control Power Systems

Type: Power Board

Function: Internal power regulation and distribution

Application: Substation automation, industrial protection systems

Compatibility: ABB protection and control platforms

Installation: Panel or rack mounted within control assemblies

Power Specifications

Supply Voltage: 24 V DC regulated output

Input Voltage: Industrial AC/DC compatible supply system

Power Distribution: Supplies multiple internal modules within control system

Protection Features: Overvoltage, short-circuit, and thermal protection

Status Indicators: LED indicators for power and fault status

Communication & Interface

Interface Type: Internal system power backplane connection

Monitoring Function: Power status feedback to control system

Diagnostics: Built-in fault detection and voltage monitoring

System Integration: Works with ABB control and protection architecture

Environmental

Operating Temperature: -25°C to +70°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95% non-condensing

Shock Resistance: Designed for industrial and substation environments

Vibration Resistance: Suitable for continuous operation in harsh conditions

Protection Rating: Industrial cabinet installation environment

Dimensions & Weight

Dimensions (L × W × H): 210 × 186 × 25 mm

Weight: 0.3 kg

Stable Power, Trusted Performance for Critical Applications!