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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
SHB5G816U
SHB5G816U
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General Electric
3000
SHB5G816W
SHB5G816W
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General Electric
3000
SHB5G8171
SHB5G8171
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General Electric
3000
SHB5G8172
SHB5G8172
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General Electric
3000
SHB5G817R
SHB5G817R
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General Electric
3000
SHB5G817U
SHB5G817U
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General Electric
3000
SHB5G817W
SHB5G817W
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General Electric
3000
SHB5G8181
SHB5G8181
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General Electric
3000
SHB5G8182
SHB5G8182
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General Electric
3000
SHB5G818R
SHB5G818R
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General Electric
3000
SHB5G818U
SHB5G818U
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General Electric
3000
SHB5G818W
SHB5G818W
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General Electric
3000
SHB5G8191
SHB5G8191
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General Electric
3000
SHB5G8192
SHB5G8192
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General Electric
3000
SHB5G819R
SHB5G819R
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General Electric
3000
SHB5G819U
SHB5G819U
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General Electric
3000
SHB5G819W
SHB5G819W
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General Electric
3000
SHB5G8211
SHB5G8211
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General Electric
3000
SHB5G8212
SHB5G8212
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General Electric
3000
SHB5G821R
SHB5G821R
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General Electric
3000
SHB5G821U
SHB5G821U
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General Electric
3000
SHB5G821W
SHB5G821W
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General Electric
3000
SHB5G8221
SHB5G8221
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General Electric
3000
SHB5G8222
SHB5G8222
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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.