VAL-MS 500 ST-2807609
Surge protection connector type 2 with high-capacity varistor for VAL-MS base element, thermal monitoring, visual fault warning. Design: 500 V AC
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| Mode of protection | L-PE |
| L-PEN | |
| Direction of action | 1L-N/PE |
| Nominal voltage UN | 400/690 V AC (TN) |
| 500 V AC (IT) | |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous voltage UC | 600 V AC |
| Residual current IPE | ≤ 0.45 mA |
| Standby power consumption PC | ≤ 250 mVA |
| Nominal discharge current In (8/20) µs | 15 kA |
| Maximum discharge current Imax (8/20) µs | 30 kA |
| Short-circuit current rating ISCCR | 25 kA |
| Voltage protection level Up | ≤ 2.7 kV |
| Residual voltage Ures | ≤ 2.7 kV (at In) |
| ≤ 2.5 kV (at 10 kA) | |
| ≤ 2.3 kV (at 5 kA) | |
| ≤ 2.2 kV (at 3 kA) | |
| TOV behavior at UT | 690 V AC (5 s / withstand mode) |
| 762 V AC (120 min / withstand mode) | |
| Response time tA | ≤ 25 ns |
| Max. backup fuse with branch wiring | 125 A (gG) |
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