Voltage Monitoring

WoKa-Elektronik provides a standardized set of voltage relays:

Type of MonitoringSystem TypeAuxiliary VoltageType
Undervoltage1NAC230VACNWV1102
3NAC

400VAC

NWV3102
DC

12VDC
24VDC
48VDC
60VDC
110VDC
220VDC

NWV2101

NWV2102

12VDC
24VDC
48VDC
60VDC
110VDC
NWV2103
Overvoltage1NAC230VACNWV1202
3NACAC 175V
AC 400V
NWV3202
DC12VDC
24VDC
48VDC
60VDC
110VDC
220VDC

NWV2201

NWV2202

12VDC
24VDC
48VDC
60VDC
110VDC
NWV2203
Over & UndervoltageDC

12VDC
24VDC
48VDC

NWV2303
12VDC
24VDC
NWV2304
60VDC
110VDC
NWV2305
3NAC400VACNWV3302

Over & Undervoltage with Over & Underfrequency

400VACNVF3320
Fault Voltage MonitoringNAC

12VDC
24VDC

NWV4200
3AC230VACNWV3202-3