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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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SHD5G867U
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General Electric
3000
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3000
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SHD5G8681
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3000
SHD5G8682
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General Electric
3000
SHD5G868R
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3000
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3000
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3000
SHD5G8691
SHD5G8691
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SHD5G8692
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3000
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General Electric
3000
SHD5G869U
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3000
SHD5G869W
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3000
SHD5G8811
SHD5G8811
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3000
SHD5G8812
SHD5G8812
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General Electric
3000
SHD5G881R
SHD5G881R
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General Electric
3000
SHD5G881U
SHD5G881U
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General Electric
3000
SHD5G881W
SHD5G881W
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General Electric
3000
SHD5G8821
SHD5G8821
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General Electric
3000
SHD5G8822
SHD5G8822
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General Electric
3000
SHD5G882R
SHD5G882R
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General Electric
3000
SHD5G882U
SHD5G882U
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General Electric
3000
SHD5G882W
SHD5G882W
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General Electric
3000
SHD5G8831
SHD5G8831
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General Electric
3000
SHD5G8832
SHD5G8832
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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.