About ABB REJ601BD446NB1NH PROTECTION RELAY

ABB REJ601BD446NB1NH PROTECTION RELAY

Compatibility	MV Relays
Frequency	50Hz
CT Secondary	1A
VT Secondary	-
HMI	Yes
Package Gross Weight	1.43 kg
Product Range	MV Relays
Invoice Description	REJ601 IEC Over Current Protection
Package Height	160 mm
Package Length	151.4 mm
Package Width	130 mm
Extended Product Type	REJ601 IEC Over Current Protection
Auxiliary Supply Voltage	24-240V AC/DC

Comprehensive Feeder Protection

The ABB REJ601BD446NB1NH provides essential protection for feeders in distribution networks, including phase overcurrent and earth fault detection. Its integrated trip circuit supervision and CB control features enable rapid response to abnormal situations, minimizing downtime and equipment damage.


Advanced Communication & Monitoring

Equipped with Modbus RTU and IEC 60870-5-103 protocols, this relay ensures seamless integration with SCADA and automation systems. Remote monitoring and control are supported, allowing operators to adjust settings and track event histories for swift event analysis and preventive action.


Durable, Versatile Design

With a withdrawable case, plug-in terminals, and a rugged build (IP54 rating), this relay is well-suited for panel mounting in demanding industrial environments. Its microprocessor-based operation, self-supervision, and high insulation voltage enhance operational reliability and user safety.