NTW-3.3 Mains Guard
The mains guard NTW-3 monitors the main voltage of the 3 phases L1, L2, L3 and the fourth | neutral wire. In case of disturbance the relay opens after approx. 3 secs and the LED 'Störung' (=disturbance) lights up.
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Technical data |
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|---|---|
| Operating voltage | 180 ... 240 V |
| Power consumption | approx. 1 VA |
| Time delay | approx. 3 s |
| Loss of voltage | 180 V |
| Relay outputs | 230 V / 5A / AC |
| Ambient temperature | -20 ... +55 ºC |
| Dimensions | W / H / D: 23 x 75 x 100 mm |
| Download PDF |  Data sheet (german) |
 Description |
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| Ordering information | NTW-3.3: E1882 |