These devices are used to protect three phase electrical equipment that is sensitive to Phase Loss, Phase Unbalance, Phase Reversal, Undervoltage and Overvoltage. The SPVR provides a set of "Form C" contacts that change state if any of these conditions occur.
3 Phase Voltage Monitor Relay (SPVR2)
How To Order
Ground Fault Current Detection With Voltage and Fuse Monitoring (GFPV)