Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model/Part Number | REB500BU 1KHL160006R0001H |
| Description | Decentralized Bay Unit Module for Busbar Protection |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | REB500BU 1KHL160006R0001H |
| Product Name | REB500BU Bay Unit |
| Application | Fast and selective protection of high-voltage substation busbars in distributed busbar protection systems |
| Compatibility | Part of ABB Relion REB500 series; integrates with IEC 61850 substation automation systems |
| Function | Acquires and processes current transformer and status signals at the bay level for reliable fault detection and isolation |
Functional Specifications
| Parameter | Details |
|---|---|
| Protection Type | Distributed busbar protection with sub-cycle speed |
| Signal Processing | Local acquisition of CT currents and binary status inputs |
| System Architecture | Modular, supports centralized or distributed configurations |
| Communication | IEC 61850 GOOSE messaging for bay-to-bay communication |
| Power Supply | 24-265 V AC/DC or 48-265 V DC options |
| Operating Temperature Range | -25°C to +55°C |
| Dimensions | 12.1 cm x 7.6 cm x 3.2 cm |
| Weight | 2.04 kg |
| Mounting | 19" rack or panel mount in substation cubicle |
| Standards Compliance | IEC 61850, IEC 60255, CE marked |