Surge protective device, two channel with remote indicator contact for 277 V AC, 2-wire plus ground.
Surge protective device, two channel with remote indicator contact for 277 V AC, 2-wire plus ground.
| Mode of protection | L-N |
| L-PE | |
| N-PE | |
| Direction of action | 1L-N & N-GND |
| Nominal voltage UN | 277 V AC (TN-S) |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous operating voltage UC (L-N) | 385 V AC |
| Maximum continuous operating voltage UC (N-PE) | 305 V AC |
| Residual current IPE | ≤ 5 µA |
| Nominal discharge current In (8/20) µs | 20 kA |
| Maximum discharge current Imax (8/20) µs | 40 kA |
| Follow current interrupt rating Ifi (N-PE) | 100 A (305 V AC) |
| Short-circuit current rating ISCCR | 25 kA |
| Voltage protection level Up (L-N) | ≤ 2 kV |
| Voltage protection level Up (L-PE) | ≤ 2.2 kV |
| Voltage protection level Up (N-PE) | ≤ 1.5 kV |
| Residual voltage Ures (L-N) | ≤ 2 kV (at In) |
| ≤ 1.7 kV (at 10 kA) | |
| ≤ 1.5 kV (at 5 kA) | |
| ≤ 1.3 kV (at 3 kA) | |
| Residual voltage Ures (L-PE) | ≤ 2.2 kV (at In) |
| ≤ 1.7 kV (at 10 kA) | |
| ≤ 1.5 kV (at 5 kA) | |
| ≤ 1.4 kV (at 3 kA) | |
| Residual voltage Ures (N-PE) | ≤ 0.4 kV (at In) |
| ≤ 0.25 kV (at 10 kA) | |
| ≤ 0.15 kV (at 5 kA) | |
| ≤ 0.1 kV (at 3 kA) | |
| TOV behavior at UT (L-N) | 480 V AC (5 s / withstand mode) |
| 530 V AC (120 min / safe failure mode) | |
| TOV behavior at UT (N-PE) | 1200 V AC (200 ms / withstand mode) |
| Max. backup fuse with branch wiring | 125 A (gG) |
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