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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
SHD5G8892
SHD5G8892
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General Electric
3000
SHD5G889R
SHD5G889R
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General Electric
3000
SHD5G889U
SHD5G889U
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3000
SHD5G889W
SHD5G889W
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General Electric
3000
SHD5G8911
SHD5G8911
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General Electric
3000
SHD5G8912
SHD5G8912
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General Electric
3000
SHD5G891R
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General Electric
3000
SHD5G891U
SHD5G891U
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3000
SHD5G891W
SHD5G891W
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General Electric
3000
SHD5G8921
SHD5G8921
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General Electric
3000
SHD5G8922
SHD5G8922
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General Electric
3000
SHD5G892R
SHD5G892R
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3000
SHD5G892U
SHD5G892U
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3000
SHD5G892W
SHD5G892W
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General Electric
3000
SHD5G8931
SHD5G8931
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General Electric
3000
SHD5G8932
SHD5G8932
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General Electric
3000
SHD5G893R
SHD5G893R
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General Electric
3000
SHD5G893U
SHD5G893U
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General Electric
3000
SHD5G893W
SHD5G893W
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General Electric
3000
SHD5G8941
SHD5G8941
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General Electric
3000
SHD5G8942
SHD5G8942
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General Electric
3000
SHD5G894R
SHD5G894R
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General Electric
3000
SHD5G894U
SHD5G894U
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General Electric
3000
SHD5G894W
SHD5G894W
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General Electric
3000

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.