Electrical and Power

Surge protection device

The Model 420 uses thermally protected MOVs, is tested as a UL 1449 Type 1 device and is in a NEMA 4X enclosure, making this an ideal choice for both panel and equipment locations.

Consulting-Specifying Engineer
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Consulting-Specifying Engineer

Consulting-Specifying Engineer provides engineering professionals working in nonresidential construction and retrofit applications with the most current and relevant content on topics like codes and standards, mechanical/HVAC and electrical systems, fire and life safety, building automation and other related technology.