VAL-MS 350/10/3+0
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Type 2 surge protection device
2803577
Surge arrester for 4-conductor power supply systems (L1, L2, L3, PEN), consisting of a base element and protective connectors, for mounting on NS 35.
Product details
| Product type | Surge arrester |
| Product family | VALVETRAB MS |
| IEC test classification | II |
| T2 | |
| EN type | T2 |
| Type | DIN rail module, two-section, divisible |
| Number of positions | 3 |
| Surge protection fault message | optical |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Nominal voltage UN | 230 V AC (400 V AC) |
| 230 V AC (400 V AC) |
| Connection method | Screw connection |
| Screw thread | M5 |
| Tightening torque, min | 4.5 Nm |
| Stripping length | 16 mm |
| Conductor cross-section flexible min. | 1.5 mm² |
| Conductor cross-section flexible max. | 25 mm² |
| Conductor cross-section, rigid min. | 1.5 mm² |
| Conductor cross-section, rigid max. | 35 mm² |
| Dimensional drawing |
|
| Width | 53.4 mm |
| Height | 90 mm |
| Depth | 65.5 mm |
| Horizontal pitch | 3 Div. |
| Flammability rating according to UL 94 | V0 |
| Housing material | PBT/PA |
| Direction of action | 3L-PEN |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous operating voltage UC | 350 V AC |
| Maximum continuous operating voltage UC (L-PEN) | 350 V AC |
| Protective conductor current IPE | ≤ 340 µA (per phase) |
| Standby power consumption PC | ≤ 360 mVA |
| Nominal discharge current In (8/20) µs (L-PEN) | 15 kA (all channels) |
| 5 kA (per channel) | |
| Maximum discharge current Imax (8/20) µs | 10 kA (per channel L-PEN) |
| Maximum discharge current Imax (8/20) µs (L-PEN) | 30 kA (all channels) |
| 10 kA (per channel) | |
| Voltage protection level Up (L-PEN) | ≤ 1.2 kV |
| Response time tA (L-PEN) | ≤ 25 ns |
| Max. backup fuse with branch wiring | 125 A (gL/gG) |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 80 °C |
| Air clearances and creepage distances | |
| Standards/regulations | EN 60664-1 / EN 61643-11 |
| Standards | |
| Standards/regulations | IEC 61643-1 |
| EN 61643-11/A11 | |
| Standards/specifications | IEC 61643-1 |
| Note | 2005 |
| Standards/specifications | EN 61643-11/A11 |
| Note | 2007 |
| Mounting type | DIN rail: 35 mm |
