VMD420-D-2 | BENDER RELAY

VMD420D2RELAYMULTI-FUNCTIONAL MONITORING RELAY FOR OVERVOLTAGE/ UNDERVOLTAGE/ OVERFREQUENCY/ UNDERFREQUENCYTHREE PHASE SYSTEMS300 VAC70 VDC5 AMPSThe VMD420 requires a separate supply voltage UsMonitoring for undervoltage and overvoltage and underfrequency andoverfrequency in 3(N)AC systems of AC 0…500 V / 0…288 VAsymmetry, phase failure and phase sequence monitoringStart-up delay, response delay and delay on releaseAdjustable switching hysteresis for the voltage to be monitoredr.m.s. value measurement AC + DCDigital measured value display via multi-functional LC displayLEDs: Power On, Alarm1 and Alarm2Fault memory for the operating valueCyclical self monitoringInternal test/reset buttonTwo separate alarm relays (one changeover contact each)N/C or N/O operation and fault memory behaviour selectablePassword protection for device settingsSealable transparent coverAvailable with screw-type or push-wire terminalsUser-configurable analogue interface