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 |
| current load | <10A |
| activation voltage asymmetry | 20÷50V~ |
| activation voltage | <320V~ |
| histeresis | 5V~ |
| switching-OFF delay | 4sec |
| signalling of supply | 4 × LED |
| power consumption | 1,6W |
| working temperature | -25÷40°C |
| connection | screw terminals 2,5mm² |
| dimensions | 3 modules (52,5mm) |
| fixing | on rail TH-35 |
Three-phase asymmetry and sequence monitors
- Product Code: CKF-337