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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
SHD2G586U
SHD2G586U
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General Electric
1600
SHD2G587K
SHD2G587K
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General Electric
1600
SHD2G587N
SHD2G587N
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General Electric
1600
SHD2G587P
SHD2G587P
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General Electric
1600
SHD2G587Q
SHD2G587Q
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General Electric
1600
SHD2G587R
SHD2G587R
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General Electric
1600
SHD2G587T
SHD2G587T
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General Electric
1600
SHD2G587U
SHD2G587U
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General Electric
1600
SHD2G588K
SHD2G588K
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General Electric
1600
SHD2G588N
SHD2G588N
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General Electric
1600
SHD2G588P
SHD2G588P
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General Electric
1600
SHD2G588Q
SHD2G588Q
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General Electric
1600
SHD2G588R
SHD2G588R
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General Electric
1600
SHD2G588T
SHD2G588T
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General Electric
1600
SHD2G588U
SHD2G588U
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General Electric
1600
SHD2G589K
SHD2G589K
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General Electric
1600
SHD2G589N
SHD2G589N
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General Electric
1600
SHD2G589P
SHD2G589P
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General Electric
1600
SHD2G589Q
SHD2G589Q
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General Electric
1600
SHD2G589R
SHD2G589R
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General Electric
1600
SHD2G589T
SHD2G589T
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General Electric
1600
SHD2G589U
SHD2G589U
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General Electric
1600
SHD2G591K
SHD2G591K
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General Electric
1600
SHD2G591N
SHD2G591N
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General Electric
1600

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.