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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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SHD3G6H2U
SHD3G6H2U
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General Electric
2000
SHD3G6H2W
SHD3G6H2W
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General Electric
2000
SHD3G6H3M
SHD3G6H3M
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General Electric
2000
SHD3G6H3N
SHD3G6H3N
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General Electric
2000
SHD3G6H3P
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General Electric
2000
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General Electric
2000
SHD3G6H3T
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General Electric
2000
SHD3G6H3U
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General Electric
2000
SHD3G6H3W
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General Electric
2000
SHD3G6H4M
SHD3G6H4M
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General Electric
2000
SHD3G6H4N
SHD3G6H4N
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General Electric
2000
SHD3G6H4P
SHD3G6H4P
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General Electric
2000
SHD3G6H4R
SHD3G6H4R
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General Electric
2000
SHD3G6H4T
SHD3G6H4T
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General Electric
2000
SHD3G6H4U
SHD3G6H4U
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General Electric
2000
SHD3G6H4W
SHD3G6H4W
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General Electric
2000
SHD3G6H6M
SHD3G6H6M
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General Electric
2000
SHD3G6H6N
SHD3G6H6N
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General Electric
2000
SHD3G6H6P
SHD3G6H6P
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General Electric
2000
SHD3G6H6R
SHD3G6H6R
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General Electric
2000
SHD3G6H6T
SHD3G6H6T
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General Electric
2000
SHD3G6H6U
SHD3G6H6U
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General Electric
2000
SHD3G6H6W
SHD3G6H6W
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General Electric
2000
SHD3G6H7M
SHD3G6H7M
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General Electric
2000

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.