SPD 4+0 TNS — surge protection device of Class I+II (B+C) for alternating current networks with rated voltage of 300V. Designed to protect electrical equipment from direct lightning strikes and switching overvoltages.
Main Characteristics:
- Connection scheme: 4 phase conductors + neutral
- Protection class: TI+TII (B+C) — combined protection
- Rated voltage: 300V AC
- Lightning discharge current: 12.5 kA
- Nominal dischargeable impulse current: 20 kA
- Maximum branching current: 50 kA
- Protection level (Up): 1.4 kV
- Power loss: 0.64 W
- Signal contact: installed for actuation indication
Design Features:
Combtec series design with plug-in mounting ensures quick replacement of protection modules. Absence of leakage current guarantees minimal impact on the network in standby mode.
Dimensions and Weight:
- Length: 84 mm
- Width: 72 mm
- Height: 105 mm
- Net weight: 0.69 kg
Manufacturer: Schrack
Packaging options: 1 pc., 4 pcs.
| EAN code | 9004840792782 |
|---|---|
| Net length | 84.00 mm |
| Net width | 72.00 mm |
| Net height | 105.00 mm |
| Net weight | 0.69 kg |
| Power loss | 0.64 W |
| Design | Combtec series, plug-in |
| Device class | TI+TII/B+C |
| Circuit | 4+0 |
| Max sustained AC voltage | 300 VAC |
| Lightning discharge current carrying capacity | 12.50 kA |
| Nominal dischargeable impulse current | 20 kA |
| Max branching current | 50 kA |
| Protection level | 1.40 kV |
| TE | 4 |
| Signal contact | yes |
| Manufacturer | Schrack |
| Leakage current free | Yes |
| Packaging | 1 pc., 4 pcs. |
