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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)
PDF Downloads:
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SPD Application Scenarios & Selection Guide
AC Type 1 SPD
Application:
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Main power distribution panels in buildings with external lightning protection systems (LPS)
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Industrial facilities, communication towers, and substations located in high lightning areas
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Ideal for direct lightning current discharge
Selection Guide:
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Install at the main distribution board
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Choose SPD with Iimp ≥ 12.5kA (10/350μs)
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Nominal voltage: 230/400V AC
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Use where lightning rods or down conductors are installed
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