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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
SHD2G528K
SHD2G528K
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General Electric
1600
SHD2G528N
SHD2G528N
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General Electric
1600
SHD2G528P
SHD2G528P
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General Electric
1600
SHD2G528Q
SHD2G528Q
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General Electric
1600
SHD2G528R
SHD2G528R
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General Electric
1600
SHD2G528T
SHD2G528T
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General Electric
1600
SHD2G528U
SHD2G528U
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General Electric
1600
SHD2G529K
SHD2G529K
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General Electric
1600
SHD2G529N
SHD2G529N
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General Electric
1600
SHD2G529P
SHD2G529P
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General Electric
1600
SHD2G529Q
SHD2G529Q
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General Electric
1600
SHD2G529R
SHD2G529R
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General Electric
1600
SHD2G529T
SHD2G529T
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General Electric
1600
SHD2G529U
SHD2G529U
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General Electric
1600
SHD2G531K
SHD2G531K
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General Electric
1600
SHD2G531N
SHD2G531N
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General Electric
1600
SHD2G531P
SHD2G531P
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General Electric
1600
SHD2G531Q
SHD2G531Q
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General Electric
1600
SHD2G531R
SHD2G531R
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General Electric
1600
SHD2G531T
SHD2G531T
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General Electric
1600
SHD2G531U
SHD2G531U
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General Electric
1600
SHD2G532K
SHD2G532K
Limited Stock
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General Electric
1600
SHD2G532N
SHD2G532N
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General Electric
1600
SHD2G532P
SHD2G532P
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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.