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The ABB REF610 is a numerical feeder protection relay designed for medium-voltage power distribution systems. It offers reliable protection for feeders in industrial and utility applications. This relay integrates advanced protection functions, measurement capabilities, and communication protocols, ensuring optimal performance and system stability.
Model Number: ABB REF610
Product Type: Feeder Protection Relay
Protection Functions:
Three-phase overcurrent protection (low-set, high-set, instantaneous)
Non-directional earth fault protection (low-set, high-set)
Phase discontinuity detection
Thermal overload protection for cables
Circuit-breaker failure protection
Arc protection with two lens sensors
Autoreclosing and lockout relay function
Measurement Capabilities:
Residual current monitoring
Three-phase current measurement
Disturbance and event recording
Communication Protocols: IEC 61850, Modbus, DNP3, Profibus, SPA
Trip Circuit Supervision: Ensures reliable circuit-breaker operation
Self-Supervision: Continuous fault detection
Mounting Type: Plug-in design for easy installation
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C
We welcome bulk orders and have a minimum order quantity of just one unit.
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
Fast shipping for your urgent needs.
Extensive stock ensures quick availability.
Genuine, high-grade PLC & DCS components.
Reliable service for clients worldwide.
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