Feeder Protection Relay

The Sell-Best feeder protection relay is a cutting-edge solution for low-voltage line protection. This intelligent Low-voltage line protection relay integrates crucial functions including protection, control, and metering.

The LV line protection relay can protect power system feeder lines, machine lines, frontier points, etc., and associated equipment from various faults, including short circuits, overloads, and ground faults. By continuously monitoring system parameters and employing advanced algorithms, the low voltage line protection relay swiftly identifies and responds to faults, minimizing damage and ensuring system reliability.

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Basic Function of Feeder Protection Relay

Protection function Overcurrent protection, Overload protection, Earthleakge leakage protection, Overvoltage protection, Undervoltage protection, etc.
Measuring function Three-phase voltage, three-phase current, voltage and current phase angle, grounding/leakage current, three-phase current unbalance rate, thermal capacity, thermal resistance, three-phase line voltage, frequency, power factor, active power, reactive power
Communication function ModbusRTU RS485 interface communication protocol, profibus-DP interface
Other function Remote control, Data record, self-diagnosis, maintenance management, etc.

Application of Feeder Protection Relay

The feeder protection relay is widely used in low-voltage power systems such as industry, commercial buildings, and residences to protect electric motors, transformers, distribution lines, and other power equipment.

Why Choose Sell-Best Feeder Protection Relay?

1. Blazing Fast Fault Detection: Instantly identify and respond to faults for immediate protection.
2. Selective Protection: Precisely isolate the fault for minimal disruption and maximum system uptime.
3. Comprehensive protection function: Adapts seamlessly to diverse line configurations and fault scenarios.
4. Enhanced Connectivity: Flexible communication options with RS485 and Profibus-DP for seamless integration.
5. Maximize Reliability & Longevity: Safeguard your equipment and extend its lifespan by preventing damage from fault currents.