Purpose
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.
Technical data
supply | 3×400/230V+N |
contact | 2C/O |
current load | 2×(<8A) |
signalling of supply | 3×LED in each phase circuit |
activation voltage asymmetry | 40÷55V~ |
activation voltage | 175÷190V |
histeresis | 5V~ |
switching-off delay | 3÷5sec |
power consumption | 1,6W |
working temperature | -25÷50°C |
connection | screw terminals 2,5mm² |
dimensions | 3 modules (52,5mm) |
fixing | on rail TH-35 |
Phase control relays and adjustable actuation threshhold voltage asymmetry
- Product Code: CZF-331