JL-400 Over Under Voltage Phase Sequence LCD Display Protector 3 Phase Voltage Monitor Relay

Features: Standard modular construction, rail mounted. LCD display shows voltage value, fault status, parameter setting. Real-time monitoring of three-phase overvoltage, undervoltage, phase error, phase loss, voltage imbalance faulty. Powered by the measuring circuit, no additional auxiliary power required. Adjustable overvoltage value, undervoltage value, voltage imbalance rate and action time. Fault record function. Specification: Rated Voltage: 300-500VAC, 50Hz

Function: Overvoltage, Undervoltage, Phase Failure, Phase Error, Voltage Imbalance, Fault Record Setting Parameter: Overvoltage: 390-490V Undervoltage: 300-370V Overvoltage Delay: 0.1-25s Undervoltage Delay: 0.1-25s Unbalance Rate: 5-29% Unbalance Delay: 1-25s Phase Sequence: ON/OFF Reset: AU/HA Contact Form: A group of NO, a group of NC Contact Capacity: 6A AC250V (resistive) Mount : 35mm DIN rail Typical Application: Motor, Fan, Pump, Compressor, Hoist, Vehicle, Crane, Elevator, Machine Tools, Central Conditioning, Refrigeration Equipment, Laser Equipment, Industrial Control System Package List: 1 x Phase Sequence Protector