Africab ABB Multifunction Relay

The CM-MPS; 41S is a multifunctional relay from the CM three-phase monitors range; It operates with a rated control supply voltage / three-phase measuring voltage of 300-500 V AC 50/60 Hz and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A; This relay monitors all phase parameters such as over/undervoltage, phase unbalance and phase failure; The corresponding threshold values are adjustable; Phase sequence monitoring as well as an ON or OFF tripping delay are selectable; The tripping delay is adjustable over a range of instantaneous to 30 s (0, 0