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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
SHD5G833R
SHD5G833R
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General Electric
3000
SHD5G833U
SHD5G833U
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General Electric
3000
SHD5G833W
SHD5G833W
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General Electric
3000
SHD5G8341
SHD5G8341
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General Electric
3000
SHD5G8342
SHD5G8342
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General Electric
3000
SHD5G834R
SHD5G834R
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General Electric
3000
SHD5G834U
SHD5G834U
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General Electric
3000
SHD5G834W
SHD5G834W
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General Electric
3000
SHD5G8361
SHD5G8361
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General Electric
3000
SHD5G8362
SHD5G8362
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General Electric
3000
SHD5G836R
SHD5G836R
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General Electric
3000
SHD5G836U
SHD5G836U
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General Electric
3000
SHD5G836W
SHD5G836W
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General Electric
3000
SHD5G8371
SHD5G8371
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General Electric
3000
SHD5G8372
SHD5G8372
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General Electric
3000
SHD5G837R
SHD5G837R
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General Electric
3000
SHD5G837U
SHD5G837U
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General Electric
3000
SHD5G837W
SHD5G837W
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General Electric
3000
SHD5G8381
SHD5G8381
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General Electric
3000
SHD5G8382
SHD5G8382
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General Electric
3000
SHD5G838R
SHD5G838R
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General Electric
3000
SHD5G838U
SHD5G838U
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General Electric
3000
SHD5G838W
SHD5G838W
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General Electric
3000
SHD5G8391
SHD5G8391
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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.