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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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Manufacturer
Amperage
SHB5G8841
SHB5G8841
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General Electric
3000
SHB5G8842
SHB5G8842
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General Electric
3000
SHB5G884R
SHB5G884R
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General Electric
3000
SHB5G884U
SHB5G884U
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General Electric
3000
SHB5G884W
SHB5G884W
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General Electric
3000
SHB5G8861
SHB5G8861
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General Electric
3000
SHB5G8862
SHB5G8862
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General Electric
3000
SHB5G886R
SHB5G886R
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General Electric
3000
SHB5G886U
SHB5G886U
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General Electric
3000
SHB5G886W
SHB5G886W
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General Electric
3000
SHB5G8871
SHB5G8871
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General Electric
3000
SHB5G8872
SHB5G8872
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General Electric
3000
SHB5G887R
SHB5G887R
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General Electric
3000
SHB5G887U
SHB5G887U
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General Electric
3000
SHB5G887W
SHB5G887W
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General Electric
3000
SHB5G8881
SHB5G8881
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General Electric
3000
SHB5G8882
SHB5G8882
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General Electric
3000
SHB5G888R
SHB5G888R
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General Electric
3000
SHB5G888U
SHB5G888U
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General Electric
3000
SHB5G888W
SHB5G888W
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General Electric
3000
SHB5G8891
SHB5G8891
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General Electric
3000
SHB5G8892
SHB5G8892
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General Electric
3000
SHB5G889R
SHB5G889R
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General Electric
3000
SHB5G889U
SHB5G889U
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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.