Product Description
ABB REJ601 BD446NN1XG is a dedicated feeder protection relay (without circuit breaker control function) of the ABB Relion® 605 series, used for overcurrent protection, grounding fault protection, thermal overload protection, etc. of overhead lines and cable feeders in medium-voltage distribution networks. It supports the Rogowski current sensor interface and features plug-in installation, Modbus RTU/IEC 60870-5-103 communication. It is the core protection unit of public substations and industrial power systems.

Product Description
Project Content
Product Full Name ABB REJ601 Power Supply Protection and Control Relay (Specialized for Overcurrent Protection)
Model REJ601
Order Number (HESG Number) BD446NN1XG (Complete Order Number: REJ601 BD446NN1XG)
Manufacturer ABB (Switzerland)
Series Relion® 605 Series
Product Category Digital Power Supply Protection Relay (IED)
Core Positioning Simplified version of REF601 – without circuit breaker control function, focusing solely on protection (overcurrent/ground fault/thermal overload, etc.)
Product Status Original import, in stock, with one-year warranty






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