DEHN Inc.

DEHN’s unique SPD is now UL 1449 3^rd Edition compliant, specifically for DC application on 600 and 1,000 V PV systems. This device is intended for use on the DC system to protect systems components, such as inverters and others connected to combiner boxes, from the effects of lightning caused surges and transients. DEHN has developed and introduced the DEHNguard M YPV-SCI for operating at PV generated DC voltages by incorporating a switched fused circuit in parallel to the MOV discharge circuit, permitting the internal disconnect to operate arc free. Having celebrated their 100th-year anniversary in 2010, DEHN continues to serve the electrical industry in the research, design, and manufacture of products, offering technical expertise to minimize the effects transients caused by lightning and other sources.  

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