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VAL-MS-T1/T2335-12.5-3+1 Compact Set Phoenix Surge protection 37.5 kA (All) ใช้กับตู้ MDB แบบสายนิวตรอนแยกกับสายกราวด์
ระบบไฟฟ้าแบบ TN-C or 3 PHASE 4 WIRE 4-conductor system; L1, L2, L3, PEN
Surge protection for the power supply unit Type 1/2 lightning arrester/surge arrester VAL-MS-T1/T2
– Seamless pluggability (even for N/PE spark gap)
– Secure hold of connectors in the event of high lightning current loads and strong vibration thanks to new latching
– Thermal disconnect device for each individual connector
– Optical, mechanical status indication for the individual arresters
– With or without floating remote indication contact
– Mechanical keying of all slots
– Connectors can be checked with CHECKMASTER
Electrical data
| IEC category / EN type | I, II / T1, T2 |
| Nominal voltage UN | 240 V AC (230/400 V AC ... 240/415 V AC) |
|
Maximum continuous operating voltage UC L-N / N-PE / L-PEN |
350 V AC / 350 V AC / - |
| Lightning test curr. Iimp (10/350) μs | |
| Peak value | 50 kA |
| Charge | 25 As |
| Specific energy | 625.00 kJ/Ω |
|
Nominal discharge surge current In (8/20) μs L-N / L-PE / N-PE / L-PEN |
12.5 kA / - / 50 kA / - |
|
Follow current quenching capacity Ifi L-N / L-PE / N-PE / L-PEN |
- / - / 100 A (264 V AC) / - |
|
Protection level UP L-N / L-PE / N-PE / L-PEN |
≤ 1.2 kV / ≤ 2 kV / ≤1.7 /- |
| Response time tA L-N / L-PE / N-PE / L-PEN | ≤ 25 ns / ≤ 100 ns / - |
| Backup fuse max. in acc. with IEC | 315 A (gL/gG) |
| General data | |
| Dimensions W / H / D | 71.2 mm / 99 mm / 77.5 mm |
| Connection data solid / stranded / AWG | 1.5 ... 35 mm² / 1.5 ... 25 mm² / 15 - 2 |
| Temperature range | -40 °C ... 80 °C |
| Inflammability class in acc. with UL 94 | V0 |
| Test standards | IEC 61643-1 / EN 61643-11/A11 |
