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Type 1+2 Surge Protective Device
Specification:
- Nominal voltage Un: 60V 120V 230V 400V
- Max. continuous operating voltage Uc: 75V 150V 275V 320V 385V 440V
- Type 1+2 / Class I +Ⅱ/ Class B+C
- Impulse discharge current (10/350 μs) Iimp = 12.5kA @ Type 1
- Nominal discharge current (8/20 μs) In = 20kA @ Type 2
- Maximum discharge current (8/20 μs) Imax =50kA @ Type 2
- Protective elements: Metal Oxide Varistor (MOV), Gas Discharge Tube (GDT)
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SPD Application Scenarios & Selection Guide
AC Type 1+2 SPD
Application:
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Main distribution boards of buildings without LPS or with partial lightning protection
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Industrial power systems requiring both lightning and surge protection
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Large commercial facilities or public infrastructure
Selection Guide:
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Provides combined protection from direct and indirect lightning surges
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Install at main power entry point
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Choose Iimp ≥ 12.5kA and In ≥ 20kA
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Suitable for Class I & II combined protection
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