DFY-5 LCD Voltage Monitor Relay 3 Phase

DFY-5 LCD Voltage Monitor Relay 3 Phase Description

1、Standard modular construction, rail mounted. 2、LCD display shows voltage value, fault status, parameter setting. 3、Real-time monitoring of three-phase overvoltage, undervoltage, phase error, phase loss, voltage imbalance faulty. 4、Powered by the measuring circuit, no additional auxiliary power required. 5、Adjustable overvoltage value, undervoltage value, voltage imbalance rate and action time.
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
Protection Function: Overvoltage, Undervoltage, Phase Failure, Phase Error, Voltage Imbalance, Fault Record
Parameter Setting:
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 Method: 35mm DIN rail
Typical Application:
Motor, Fan, Pump, Air Compressor, Hoist, Vehicle, Crane, Elevator, Machine Tools, Central Air Conditioning, Refrigeration Equipment, Laser Equipment, Industrial Control System
Package List:
1 x Phase Sequence Protector