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70 Series
Electronic voltage/phase loss and rotation monitoring relays for single and three-phase applications.
70.11 - 70.31 - 70.41 Series - Electronic voltage monitoring relays for single and three-phrase applications
Multifunctional types allowing to monitor undervoltage, overvoltage, window mode, phase rotation, phase loss, asymmetry and neutral loss
Positive safety logic
Selector and trimmer on front face to adjust all functions and values
LEDs for clear indication
1 CO relay output, 6 or 10 A
Cadmium free contact material
70.61 Series - Electronic phase loss and rotation monitoring relays for three-phase applications
Universal voltage monitoring (UN from 208 V to 480 V, 50/60 Hz)
Phase loss monitoring
Positive safety logic
1 CO relay output, 6 A and 2 CO relay output, 8 A
35 mm rail (EN 60715) mount
Electronic voltage/phase loss and rotation monitoring relays for single and three-phase applications.
70.11 - 70.31 - 70.41 Series - Electronic voltage monitoring relays for single and three-phrase applications
Multifunctional types allowing to monitor undervoltage, overvoltage, window mode, phase rotation, phase loss, asymmetry and neutral loss
Positive safety logic
Selector and trimmer on front face to adjust all functions and values
LEDs for clear indication
1 CO relay output, 6 or 10 A
Cadmium free contact material
70.61 Series - Electronic phase loss and rotation monitoring relays for three-phase applications
Universal voltage monitoring (UN from 208 V to 480 V, 50/60 Hz)
Phase loss monitoring
Positive safety logic
1 CO relay output, 6 A and 2 CO relay output, 8 A
35 mm rail (EN 60715) mount
| Attribute | Value |
| Monitoring Application | Voltage |
| Electrical Phase | 3 |
| Contact Configuration | SPDT |
| Voltage Sensing Range | 300 → 480V ac |
| Voltage Sensitivity | Overvoltage Protection, Undervoltage Protection |
| Phase Sensitivity | Phase Loss, Phase Sequence |
| Time Delay | 0.5 → 60s |
| Frequency Sensing Range | 50 → 60Hz |
| Series | 70 |
| Current Range | 6A |
| Dimensions | 60.8 x 35 x 88.8mm |
| Length | 88.8mm |
| Width | 35mm |
| Minimum Operating Temperature | -20°C |
| Operating Temperature Range | +60°C |
| Maximum Operating Temperature | +60°C |
| Height | 60.8mm |
| Maximum Voltage Sensed | 480V ac |
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