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SUPERIOR QUALITY
SPD Application Scenarios & Selection Guide
DC SPD (600V / 1000V / 1500V / 12V / 24V / 48V)
Application:
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600V–1500V DC: Solar PV systems (between modules, combiner boxes, inverters)
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12V / 24V / 48V DC: Security systems, LED lighting, communication power, and control circuits
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Battery energy storage and DC charging systems
Selection Guide:
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Match nominal system voltage
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Ensure correct polarity (+/–) connection
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Choose Imax 40kA or higher for PV applications
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Install at PV combiner box, inverter input/output, or DC distribution box
DC Type 1+2 SPD
Application:
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Solar PV systems located in lightning-prone areas
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DC main distribution for large PV fields or outdoor installations with metal structures
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Provides both lightning and surge protection in one unit
Selection Guide:
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Choose Iimp ≥ 12.5kA (10/350μs) and Imax ≥ 40kA
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Install at PV array junction box or DC main cabinet
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Suitable for 1500V/1000V/600V DC PV systems
SUPERIOR QUALITY
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