ABB REJ603 Self-Powered Numerical Feeder Protection
ABB REJ603 Self-Powered Numerical Feeder Protection
Buy the ABB REJ603 Self-Powered Numerical Feeder Protection Relay (Brand New) from Evaflux Private Limited, India’s trusted supplier of genuine ABB protection and control devices. Ensure dependable feeder protection with ABB’s advanced self-powered relay technology.
Description
The ABB REJ603 Self-Powered Numerical Feeder Protection Relay is a compact, intelligent protection device designed for the protection, control, and supervision of low-voltage and medium-voltage feeder circuits. This brand-new ABB REJ603 is part of ABB’s renowned Relion® 605 series — engineered to deliver efficient, maintenance-free, and reliable feeder protection in distribution substations and industrial power systems.
Built on ABB’s proven digital relay technology, the REJ603 is a self-powered protection unit, drawing its energy directly from the current transformers (CTs). This eliminates the need for auxiliary power supplies, reducing installation complexity and increasing system reliability — especially in remote or space-constrained installations.
The ABB REJ603 Numerical Feeder Protection Relay offers a wide range of protection functions, including non-directional overcurrent (50/51), earth-fault protection (50N/51N), thermal overload protection, phase unbalance detection, and trip circuit supervision. It ensures rapid fault clearance, preventing equipment damage and enhancing network stability.
Designed for harsh industrial conditions, the ABB REJ603 features a rugged and compact housing suitable for DIN-rail or panel mounting, with an IP54 front rating for environmental protection. The relay’s user-friendly interface and LED indicators provide clear visual feedback on operational status and fault conditions, simplifying monitoring and maintenance.
The relay also supports communication and data retrieval via Modbus RTU over RS-485, allowing integration into SCADA and remote control systems. It features event logging and fault recording capabilities for detailed analysis and preventive maintenance.
With its self-powering capability, low power consumption, and ABB’s advanced numerical protection algorithms, the REJ603 offers exceptional reliability, safety, and efficiency — making it ideal for distribution feeders, ring main units (RMUs), switchgear, and industrial feeders.
Each unit undergoes rigorous ABB quality testing, ensuring compliance with international standards such as IEC 60255 and IEC 61850-3.
Key Features
Model: ABB REJ603 Self-Powered Numerical Feeder Protection Relay
Condition: 100% Brand New and Original ABB Product
Manufacturer: ABB
Type: Self-powered — operates without external auxiliary supply
Protection Functions: Non-directional overcurrent (50/51), earth-fault (50N/51N), thermal overload, unbalance detection, trip circuit supervision
Communication: Modbus RTU over RS-485 (optional)
Display: LED indicators for operational and fault status
Installation: DIN-rail or flush-mounted configuration
Ingress Protection: IP54 front panel
Operating Temperature: −25 °C to +70 °C
Complies with: IEC 60255 and IEC 61850-3 standards
Applications: Distribution feeders, RMUs, switchgear, and industrial panels
Advantages: Maintenance-free, self-powered, and compact for easy integration
Contact Information:
Evaflux Private Limited
📞 Phone: +91 7303573946
📧 Email: support@evaflux.com
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