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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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SHF3G633W
SHF3G633W
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General Electric
2000
SHF3G634M
SHF3G634M
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General Electric
2000
SHF3G634N
SHF3G634N
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General Electric
2000
SHF3G634P
SHF3G634P
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General Electric
2000
SHF3G634R
SHF3G634R
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General Electric
2000
SHF3G634T
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General Electric
2000
SHF3G634U
SHF3G634U
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General Electric
2000
SHF3G634W
SHF3G634W
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General Electric
2000
SHF3G636M
SHF3G636M
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General Electric
2000
SHF3G636N
SHF3G636N
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General Electric
2000
SHF3G636P
SHF3G636P
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General Electric
2000
SHF3G636R
SHF3G636R
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General Electric
2000
SHF3G636T
SHF3G636T
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General Electric
2000
SHF3G636U
SHF3G636U
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General Electric
2000
SHF3G636W
SHF3G636W
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General Electric
2000
SHF3G637M
SHF3G637M
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General Electric
2000
SHF3G637N
SHF3G637N
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General Electric
2000
SHF3G637P
SHF3G637P
Limited Stock
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General Electric
2000
SHF3G637R
SHF3G637R
Limited Stock
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General Electric
2000
SHF3G637T
SHF3G637T
Limited Stock
From
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General Electric
2000
SHF3G637U
SHF3G637U
Limited Stock
From
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General Electric
2000
SHF3G637W
SHF3G637W
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General Electric
2000
SHF3G638M
SHF3G638M
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General Electric
2000
SHF3G638N
SHF3G638N
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General Electric
2000

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.