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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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PRICE
Manufacturer
Amperage
SHD2G519N
SHD2G519N
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General Electric
1600
SHD2G519P
SHD2G519P
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General Electric
1600
SHD2G519Q
SHD2G519Q
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General Electric
1600
SHD2G519R
SHD2G519R
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General Electric
1600
SHD2G519T
SHD2G519T
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General Electric
1600
SHD2G519U
SHD2G519U
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General Electric
1600
SHD2G521K
SHD2G521K
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General Electric
1600
SHD2G521N
SHD2G521N
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General Electric
1600
SHD2G521P
SHD2G521P
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General Electric
1600
SHD2G521Q
SHD2G521Q
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General Electric
1600
SHD2G521R
SHD2G521R
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General Electric
1600
SHD2G521T
SHD2G521T
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General Electric
1600
SHD2G521U
SHD2G521U
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General Electric
1600
SHD2G522K
SHD2G522K
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General Electric
1600
SHD2G522N
SHD2G522N
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General Electric
1600
SHD2G522P
SHD2G522P
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General Electric
1600
SHD2G522Q
SHD2G522Q
Limited Stock
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General Electric
1600
SHD2G522R
SHD2G522R
Limited Stock
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General Electric
1600
SHD2G522T
SHD2G522T
Limited Stock
From
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General Electric
1600
SHD2G522U
SHD2G522U
Limited Stock
From
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General Electric
1600
SHD2G523K
SHD2G523K
Limited Stock
From
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General Electric
1600
SHD2G523N
SHD2G523N
Limited Stock
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General Electric
1600
SHD2G523P
SHD2G523P
Limited Stock
From
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General Electric
1600
SHD2G523Q
SHD2G523Q
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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.