- Surge protective device for 3-conductor power supply systems (L1, N, PE)
- Comprised of two individual base elements, connected with one MPB bridge, FM contact, and protective plugs, for mounting on NS 35.
- Operating voltage: 5 V AC ... 250 V AC, 30 V DC
- Operating current 5 mA AC ... 1 A AC, 1 A DC
Nominal Voltage UN |
240/415 V AC (TN-S) |
240/415 V AC (TT) |
|
Nominal Frequency fN |
50 Hz (60 Hz) |
Maximum continious operating voltage Uc (L-N) |
335 V AC |
Maximum continious operating voltage Uc (L-PE) |
335 V AC |
Maximun continious operating voltage Uc (N-PE) |
260 V AC |
Residual current lPE |
≤ 5 µA |
Standby power consumption PC |
≤ 150 mVA |
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 |
Short-circuit current rating ISCCR |
25 kA |
Voltage protection level Up (L-N) |
≤ 1.5 kV |
Voltage protection level Up (L-PE) |
≤ 1.8 kV |
Voltage protection level Up (N-PE) |
≤ 1.5 kV |
Residual voltage Ures (L-N) |
≤ 1.5 kV (at In) |
≤ 1.3 kV (at 10 kA) |
|
≤ 1.2 kV (at 5 kA) |
|
≤ 1.1 kV (at 3 kA) |
|
Residual voltage Ures (L-PE) |
≤ 1.8 kV (at In) |
≤ 1.4 kV (at 10 kA) |
|
≤ 1.2 kV (at 5 kA) |
|
≤ 1.1 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) |
415 V AC (5 s / withstand mode) |
440 V AC (120 min / safe failure mode) |
|
TOV behavior at UT (N-PE) |
1200 V AC (200 ms / withstand mode) |
Response time tA (L-N) |
≤ 25 ns |
Response time tA (L-PE) |
≤ 100 ns |
Response time tA (N-PE) |
≤ 100 ns |
Max. backup fuse with branch wiring |
125 A (gG) |