NEMA 3R Bus Secondary
NEMA 3R Bussed Weather Head
EPI NEMA 3R Bussed Weather Head is designed to provide a main entry service drop. These weather heads produce Ampacity ranges from 600 to 4,000 amps at 600 volts, single or three-phase. Custom sizes and amperages are available.
Made from 14-gauge steel. All seams are continuously welded. There are no holes or knockouts. The covers are gasketed and held with self-tapping screws.
C110 Silver Plated Copper is used and buss bars are sized according to one square inch of copper bus per 1000 amperes. Buss bars are insulated with 3” 600-volt standoff insulators. Horizontal Buss Bars only. Bars are punched with 9/16” holes at 1 ¾” each way to accommodate lugs.
The standard finish is Sherwin Williams ANSI-70, light dove gray enamel, inside and out.
Meets National Electrical Manufacturers Association (NEMA) standard for Type 3R (Rainproof and Sleet-Ice Resistant) enclosures.
All bussed secondary products require custom engineering drawings for approval. Ask your salesperson for a cost on the drawings