The IS420UCSCH1B is a GE Multilin Intelligent Feeder Protection Relay. This relay provides protection, control, and monitoring of overhead lines and underground cables in medium and low voltage distribution networks. The IS420UCSCH1B can be used for primary and backup protection, as well as for control and monitoring of circuits in industrial, commercial, and utility applications.

Product Parameters

• Rated Voltage: 120V AC/DC, 220V AC/DC, 240V AC/DC, 400V AC/DC, 480V AC/DC.
• Frequency: 50/60 Hz.
• Power Supply: DC 24-250V, AC 24-240V.
• Auxiliary Voltage: DC 24-48V, AC 100-240V.
• Inputs: 6 digital inputs, 4 analog inputs.
• Outputs: 4 digital outputs, 1 analog output.
• Communication: Modbus RTU, IEC 61850, DNP 3.0, IEC 60870-5-103.
• Operating Temperature: -40°C to +70°C.
• 

Specifications

• Protection: Overcurrent, under/overvoltage, directional over/undervoltage, negative sequence, earth fault, thermal overload, breaker failure, frequency.
• Control: Load shedding, auto-restart, autoreclose, breaker control.
• Monitoring: Voltage, current, power, energy, harmonic distortion, event record, fault record, waveform capture.
• Accuracy: Voltage ±0.2%, current ±0.2%, power ±0.5%, energy ±0.5%.
• Dimensions: 142mm x 142mm x 123mm.
• Weight: 1.3kg.