Type 1 SPD is used in situations where it can withstand direct or induced lightning currents, such as the main distribution box of a building.
Type 1 Surge Protective Device
Specification:
- Nominal voltage Un: 120V 230V 400V
- Max. continuous operating voltage Uc: 150V 275V 320V 385V 440V
- Type 1 / Class I / Class B
- Impulse discharge current (10/350 μs) Iimp = 25kA @ Type 1
- Nominal discharge current (8/20 μs) In = 25kA @ Type 2
- Maximum discharge current (8/20 μs) Imax = 100kA @ Type 2
- Protective elements: Metal Oxide Varistor (MOV), Gas Discharge Tube (GDT)
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