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Insulated Case Circuit Breaker

For circuit breaker applications in commercial and industrial power distribution systems, insulated case circuit breakers are among the most critical components for reliable overcurrent protection and system safety. Insulated case circuit breakers provide adjustable trip settings and high interrupting capacity while offering compact installation in panelboards and switchboards. Electrical.com carries an extensive selection of insulated case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, industrial facilities, data centers, and healthcare infrastructure applications.
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Amperage
SSB3G628U
SSB3G628U
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General Electric
2000
SSB3G628W
SSB3G628W
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General Electric
2000
SSB3G629M
SSB3G629M
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General Electric
2000
SSB3G629N
SSB3G629N
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General Electric
2000
SSB3G629P
SSB3G629P
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2000
SSB3G629R
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General Electric
2000
SSB3G629T
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General Electric
2000
SSB3G629U
SSB3G629U
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General Electric
2000
SSB3G629W
SSB3G629W
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General Electric
2000
SSB3G631M
SSB3G631M
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General Electric
2000
SSB3G631N
SSB3G631N
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General Electric
2000
SSB3G631P
SSB3G631P
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General Electric
2000
SSB3G631R
SSB3G631R
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General Electric
2000
SSB3G631T
SSB3G631T
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General Electric
2000
SSB3G631U
SSB3G631U
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General Electric
2000
SSB3G631W
SSB3G631W
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General Electric
2000
SSB3G632M
SSB3G632M
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General Electric
2000
SSB3G632N
SSB3G632N
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General Electric
2000
SSB3G632P
SSB3G632P
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General Electric
2000
SSB3G632R
SSB3G632R
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General Electric
2000
SSB3G632T
SSB3G632T
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General Electric
2000
SSB3G632U
SSB3G632U
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General Electric
2000
SSB3G632W
SSB3G632W
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General Electric
2000
SSB3G633M
SSB3G633M
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General Electric
2000

Electrical.com stocks the largest inventory of insulated case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit breakers available for immediate shipment. From low voltage to medium voltage applications, we have the insulated case breakers you need when others say no. Our comprehensive insulated case circuit breaker inventory spans all amperage ratings, voltage classes, and frame sizes from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our insulated case circuit breakers serve critical applications across industrial power distribution systems, manufacturing facilities, commercial buildings, data centers, utility substations, process control installations, and heavy industrial equipment.


Whether you're maintaining legacy electrical systems with obsolete insulated case breaker models or sourcing current production breakers for new installations and upgrades, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need insulated case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.