Surge Protective Device Module
DIN-rail SPD module for protecting industrial control circuits from lightning/transients, voltage ≤440VAC. Classified 8536.90.85 as other circuit protection apparatus.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If lightning arresters ≥1,000V
High-voltage surge arresters have dedicated heading.
If simple automatic circuit breakers
Circuit breakers distinguished from surge suppressors by function.
If built into complete control panels
Panel-mounted protection in assembled boards classified as control apparatus.
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Import Tips & Compliance
• Include UL 1449 3rd Edition certification and maximum discharge current (Iimp/Imax)
• Specify protection modes (L-N, L-PE, N-PE) and voltage protection level (Up)
• Avoid fuse classification by documenting transient voltage surge suppression function
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