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NEMA 3R Bus Secondary

NEMA 3R Austin Service Distr. Enclosure



Description

OVERVIEW

Construction

EPI NEMA 3R Austin Service Distribution Enclosure is constructed of 14-Gauge Steel, primed with gray-oxide and enamel painted inside and out with Sherwin Williams ASA-70, Light-Dove Gray.

This enclosure is equipped with continuous stainless steel hinge-cover doors with a stainless steel hinge. The doors are secured by a 3-point locking mechanism with a T-handle with provisions for padlocking.

Bracing

Steel Stairstep Bracing @ 100,000 AIC is installed to receive Phase and Neutral Bars on 600V insulators. 

Buss Bars

CD 110 Silver Plated Copper is used on all Phase bars, Neutral and Ground bars where applicable. Bars are continuously punched with 9/16 ”holes at 1 3⁄/4” each way.

Ampacity

Phase and Neutral Bars are sized to National Electrical Manufacturers Association (NEMA) Standards according to the following formula: One square inch of copper cross section equals 1,000 amps per phase. The Neutral phase is supplied “Full” not half.

Industry Standard

Meets NEMA standard for Type 3R (Rainproof and sleet-ice resistant) enclosures. 

Sizes

Custom sizes are available

Width Height Depth Gauge
36 48 16 14
36 60 16 14
Resources

TECHNICAL SHEETS

NEMA 3R Austin Service Distr. Enclosure