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Enclosed Breakers



Enclosed breakers are assembled and shipped to meet customer demand.
We carry a full line of enclosed circuit breakers to meet your every need.
We can also custom build your enclosed breaker from the simple single device in a can to a 1200a ground fault circuit breaker with bell alarm and shunt trip ready to report to to a PLC if there is a problem.
We carry IN STOCK from 15a to 4000a, and can provide you with NEMA 1, NEMA 3R, NEMA 4X Stainless Steel, NEMA 4X Non-Metallic, and NEMA 7/9.
We also have in house drill and tap services to tap your hole location in NEMA 7/9 exact to your specs.
As with all our materials and services we offer a full warranty and quick ship delivery as well as a true 24/7 emergency service.

Product Range

Voltage: 120 to 600 V
Amperage: 0 to 4,000 A
NEMA: 1, 3R, 4X, and 7

stock parts

NEMA 1: Up to 4,000 A
NEMA 3R: Up to 4,000 A
NEMA 4X: Up to 1,200 A
NEMA 7: Up to 800 A


Type 1:
Indoor / General Purpose

Protects against falling dirt, and indirect splashing but is not dust tight.

Type 5/12:
Indoor / General Purpose

Provides some protection against dust, falling dirt, and dripping.

Type 3R:  

Provides a degree of protection against falling rain and ice.

Type 4/4X:  
Outdoor / Corrosion Resistance

Provides watertight seal against hose directed spray and corrosion resistance (4X).