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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
SHD1G3Z8N
SHD1G3Z8N
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General Electric
800
SHD1G3Z9F
SHD1G3Z9F
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General Electric
800
SHD1G3Z9H
SHD1G3Z9H
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General Electric
800
SHD1G3Z9J
SHD1G3Z9J
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General Electric
800
SHD1G3Z9K
SHD1G3Z9K
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General Electric
800
SHD1G3Z9L
SHD1G3Z9L
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General Electric
800
SHD1G3Z9N
SHD1G3Z9N
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General Electric
800
SHD20D220
SHD20D220
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General Electric
2000
SHD20G220H
SHD20G220H
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General Electric
2000
SHD25B210
SHD25B210
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General Electric
1000
SHD25B210H
SHD25B210H
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General Electric
1000
SHD25B220
SHD25B220
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General Electric
2000
SHD25B220H
SHD25B220H
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General Electric
2000
SHD25B325
SHD25B325
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General Electric
2500
SHD25B325H
SHD25B325H
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General Electric
2500
SHD25BG10H
SHD25BG10H
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General Electric
1000
SHD25BG20H
SHD25BG20H
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General Electric
2000
SHD25BG25H
SHD25BG25H
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General Electric
2500
SHD25D210
SHD25D210
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General Electric
1000
SHD25D210UVR
SHD25D210UVR
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General Electric
1000
SHD25D220
SHD25D220
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General Electric
2000
SHD25D220UVR
SHD25D220UVR
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General Electric
2000
SHD25D325
SHD25D325
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General Electric
2500
SHD25D325UVR
SHD25D325UVR
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General Electric
2500

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.