ABB REB500BU 1KHL160006R0001H Distributed Busbar Protection

Overview

The ABB REB500BU 1KHL160006R0001H is a Bay Unit in the REB500 Distributed Busbar Protection System. It provides fast, selective busbar protection in high-voltage substations. The unit collects and processes current and status signals locally. This decentralized design improves system stability and fault isolation. Additionally, it supports advanced communication protocols and cybersecurity features.

Technical Specifications

• Model Number: REB500BU

• Part Number: 1KHL160006R0001H

• System: REB500 Distributed Busbar Protection

• Function: Bay Unit for current signal acquisition and local processing

• Communication Protocols: IEC 61850-8-1 (GOOSE, MMS), PRP (IEC 62439-3)

• Protection Algorithms: Differential protection, breaker failure, check zone logic

• Input Signals: CT inputs, isolator status, breaker position

• Time Synchronization: SNTP or PPS

• Operating Voltage: 24–250 V DC (depending on configuration)

• Mounting Format: Rack-mounted or panel-mounted

• Environmental Standards: IEC 60255 series compliance

• Cybersecurity Features: User access control, activity logging, centralized account management

• Temperature Range: –25 °C to +55 °C

• Dimensions: 100 mm × 160 mm × 160 mm

• Weight: 2.4 kg