External power supply requiredNo
Type of electric connectionScrew connection
Voltage type (operating voltage)AC
Max. permitted delay-on energization time30s
Operating voltage at AC 50 Hz300 - 500V
Operating voltage at AC 60 Hz300 - 500V
Max. permitted off-delay time30s
Min. adjustable off-delay time0.1s
Min. adjustable delay-on energization time0.1s
Voltage measuring range300 - 500V
Voltage type of supply voltageAC
Phase sequence monitoringYes
Phase failure detectionYes
Function under voltage detectionYes
Function over voltage detectionYes
Phase imbalance monitoringYes
Supply voltage AC 50 Hz300 - 500V
Supply voltage AC 60 Hz300 - 500V
Number of contacts as normally closed contact0
Number of contacts as normally open contact0
Number of contacts as change-over contact2