Enclosed Circuit Breakers


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ENCLOSED CIRCUIT BREAKERS

Enclosed circuit breakers offer all of the advantages and accessories of a circuit breaker, packaged in an enclosure for nearly any application requiring a means of disconnect.

Circuit Breakers - Enclosed

Circuit Breakers 15 – 1200 ampere range
Thermal magnetic and electronic trip
Shunt Trip, Auxiliary Switch, Bell Alarm, Undervoltage Release and other accessories
Earth Leakage Breakers also available

Enclosures NEMA 1 General Purpose
Designed for indoor use in commercial buildings, apartment buildings and other areas where a general purpose enclosure is applicable. The breaker is front operable and is capable of being padlocked in the OFF position. Both surface and flush mounted enclosures are available.

Surface mounted enclosures available from 15-1200A on NEMA 1 enclosures
Flush mounted enclosures available through 400A on NEMA 1 enclosures
Ampere Range 600V AC, 500V DC
Ratings through 1200 amperes are listed with Underwriters Laboratories as suitable for service entrance application

NEMA 3R Rainproof Surface Mounting
This general purpose outdoor service center employs a circuit breaker inside a weatherproof sheet steel enclosure to serve as a main disconnect and protective device for feeder circuits. The operating handle can be padlocked in the OFF position, and is interlocked to prevent the door from opening when the breaker is ON.

Interchangeable Hubs (through 400 Amperes) 15 – 1200 Ampere Range
600V AC, 500V DC
Ratings through 1200 amperes are listed by Underwriters Laboratories as suitable for service entrance application

NEMA 4/4X, 5 Water and Dustproof
This enclosure meets requirements for water and dustproof applications and has no knockouts or other openings. It is particularly well suited for use in dairies, borax mines, breweries, paper mills and other process industries. The operating handle can be padlocked in the OFF position, and is interlocked to prevent the door from opening when the breaker is ON.

Stainless Steel — Type 304
NEMA 4/4X and 5
Surface Mounting 15 – 1200 Ampere Range.
600V AC, 500V DC
Ratings through 1200 amperes are listed by Underwriters Laboratories as suitable for service entrance application

NEMA 12 Dustproof Surface Mounting
This enclosure is designed in line with specifications for special industry application where unusually severe conditions involving oil, coolant, dust and other foreign materials exist in the operating atmosphere. The handle padlocks in the OFF position and the cover is interlocked with the handle mechanism to prevent opening the cover with the circuit breaker in the ON position.

No Knockouts or Other Openings.
15 – 1200 Ampere Range.
600V AC, 500V DC
Ratings through 1200 amperes are listed by Underwriters Laboratories as suitable for service entrance application
A NEMA 12 semi-dust-tight design, which includes knock-outs, is available. These units are rated 15 – 400 amperes, 600V AC, 500V DC.

NEMA 7, 9 Hazardous Location
This special service cast aluminum enclosure is supplied with a wide, machined flanged cover to prevent igniting outside atmospheres by arcing from inside the enclosure. Front operable, the handle padlocks in the OFF position. Enclosures rated 600 amperes and above have lift-off hinges for ease of assembly. .

Cast Aluminum, Explosion-proof
Hazardous location, Type 7: Class I, Groups B, C, D; Type 9: Class II, Groups E, F, G
Surface Mounting 15 – 1200 Ampere Range
600V AC, 250V DC

Note: XFDN050 not group B

Contact the Cleveland Flex Center at 888-329-9272 for more information.

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