Steel Enclosure Type

Nema Type 4 Service Main Disconnects utilize UL489 circuit breakers with a door mounted rotary handle. Various options are available such as enclosure size, Neutral block, surge protection and SCCR rating.  Sizes are available up to 1200A @ 600V.  Standard proteciton is fixed thermal/magnetic trip but numerous special order options are available.  As built, these meet the dead front code requirements.  All units are designed and built in Fort Payne in our UL508A panel shop.