PRODUCTS

NEMA 3R Bus Secondary

NEMA 3R CT/VT Bussed Enclosure

Description

OVERVIEW

Construction

CT/VT Enclosures are constructed of 12-Gauge Steel, primed with gray-oxide and enamel painted inside and out with Sherwin Williams ASA-70, Light-Dove Gray.

CT/VT Enclosure is equipped with continuous stainless steel hinge cover double doors with a stainless steel hinge. The doors are secured by a 3-point locking mechanism and a T-handle with provisions for padlocking. All CT/VT Enclosures include pentahead bolts on top and bottom of the door.

Stairstep Bracing

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

Buss Bars

C110 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 standards for Type 3R (rainproof and sleet-ice resistant) enclosures.

Engineering Note

All bussed secondary products require custom engineering drawings for approval. Ask your salesperson for a cost on the drawings.

 

NOTE: EPI DOES NOT SUPPLY CT’S, VT’S OR LUGS.

 

Sizes
Width Height Depth Gauge
72 72 48 12
Resources

TECHNICAL SHEETS

NEMA 3R CT/VT Bussed Enclosure

NEMA 3R CT/VT Bussed Enclosure