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 | 3×400V |
| contact | 1C/O |
| current load | <10A |
| activation voltage asymmetry | 20÷50V~ |
| activation voltage | <320V~ |
| hysteresis | 5V~ |
| switching-OFF delay | 4sec |
| power indicator | LED green |
| correctness signaling parameters | LED yellow |
| signaling of symetric voltage drop | LED red |
| power consumption | 1,6W |
| working temperature | -25÷40°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-333