Monitoring relay for monitoring asymmetry, phase failure, phase sequence errors, overvoltage and undervoltage of a three-phase connection. With external fault acknowledgement.
- Connection with screw type terminal blocks
- Adjustable response delay
- Adjustable asymmetry
- Selectable fault memory
- 7-segment display
Resources
Specifications
General Data | Operating voltage | 230 V AC, 50 Hz |
| Current consumption | less than 15 mA |
| Response delay | 0.1 s to 9.9 s, adjustable |
| Asymmetry | 5 % to 20 %, adjustable |
| Switching hysteresis | 20 % |
| Monitoring voltage | 3 x 230/400 V AC, 50 Hz |
| Output contact | 2 x changeover contacts (DPDT) |
| Max. switching voltage | max. 250 V AC |
| Max. continuous current | 8 A |
| Mechanical endurance | 3 x 107 switching cycles |
| Electrical endurance | 1 x 105 switching cycles |
| Dimensions (W x H x D) | 50 x 69.3 x 60 mm |
| Weight | 200 g |
| Operating temperature range | -5 °C to 55 °C |
| Storage temperature range | -20 °C to 70 °C |
| Ingress protection for housing / terminal block | IP40 / IP20 |
