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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
SHD2G554T
SHD2G554T
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General Electric
1600
SHD2G554U
SHD2G554U
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General Electric
1600
SHD2G556K
SHD2G556K
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General Electric
1600
SHD2G556N
SHD2G556N
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General Electric
1600
SHD2G556P
SHD2G556P
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General Electric
1600
SHD2G556Q
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General Electric
1600
SHD2G556R
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General Electric
1600
SHD2G556T
SHD2G556T
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General Electric
1600
SHD2G556U
SHD2G556U
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General Electric
1600
SHD2G557K
SHD2G557K
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General Electric
1600
SHD2G557N
SHD2G557N
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General Electric
1600
SHD2G557P
SHD2G557P
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General Electric
1600
SHD2G557Q
SHD2G557Q
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General Electric
1600
SHD2G557R
SHD2G557R
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General Electric
1600
SHD2G557T
SHD2G557T
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General Electric
1600
SHD2G557U
SHD2G557U
Limited Stock
From
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General Electric
1600
SHD2G558K
SHD2G558K
Limited Stock
From
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General Electric
1600
SHD2G558N
SHD2G558N
Limited Stock
From
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General Electric
1600
SHD2G558P
SHD2G558P
Limited Stock
From
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General Electric
1600
SHD2G558Q
SHD2G558Q
Limited Stock
From
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General Electric
1600
SHD2G558R
SHD2G558R
Limited Stock
From
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General Electric
1600
SHD2G558T
SHD2G558T
Limited Stock
From
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General Electric
1600
SHD2G558U
SHD2G558U
Limited Stock
From
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General Electric
1600
SHD2G559K
SHD2G559K
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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.