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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
SHD2G511P
SHD2G511P
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General Electric
1600
SHD2G511Q
SHD2G511Q
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General Electric
1600
SHD2G511R
SHD2G511R
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General Electric
1600
SHD2G511T
SHD2G511T
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General Electric
1600
SHD2G511U
SHD2G511U
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General Electric
1600
SHD2G512K
SHD2G512K
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General Electric
1600
SHD2G512N
SHD2G512N
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General Electric
1600
SHD2G512P
SHD2G512P
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General Electric
1600
SHD2G512Q
SHD2G512Q
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General Electric
1600
SHD2G512R
SHD2G512R
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General Electric
1600
SHD2G512T
SHD2G512T
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General Electric
1600
SHD2G512U
SHD2G512U
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General Electric
1600
SHD2G513K
SHD2G513K
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General Electric
1600
SHD2G513N
SHD2G513N
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General Electric
1600
SHD2G513P
SHD2G513P
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General Electric
1600
SHD2G513Q
SHD2G513Q
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General Electric
1600
SHD2G513R
SHD2G513R
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General Electric
1600
SHD2G513T
SHD2G513T
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General Electric
1600
SHD2G513U
SHD2G513U
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General Electric
1600
SHD2G514K
SHD2G514K
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General Electric
1600
SHD2G514N
SHD2G514N
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General Electric
1600
SHD2G514P
SHD2G514P
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General Electric
1600
SHD2G514Q
SHD2G514Q
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General Electric
1600
SHD2G514R
SHD2G514R
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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.