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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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SSB3G619W
SSB3G619W
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General Electric
2000
SSB3G621M
SSB3G621M
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General Electric
2000
SSB3G621N
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General Electric
2000
SSB3G621P
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General Electric
2000
SSB3G621R
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General Electric
2000
SSB3G621T
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General Electric
2000
SSB3G621U
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General Electric
2000
SSB3G621W
SSB3G621W
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General Electric
2000
SSB3G622M
SSB3G622M
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General Electric
2000
SSB3G622N
SSB3G622N
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General Electric
2000
SSB3G622P
SSB3G622P
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General Electric
2000
SSB3G622R
SSB3G622R
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General Electric
2000
SSB3G622T
SSB3G622T
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General Electric
2000
SSB3G622U
SSB3G622U
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General Electric
2000
SSB3G622W
SSB3G622W
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General Electric
2000
SSB3G623M
SSB3G623M
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General Electric
2000
SSB3G623N
SSB3G623N
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General Electric
2000
SSB3G623P
SSB3G623P
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General Electric
2000
SSB3G623R
SSB3G623R
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General Electric
2000
SSB3G623T
SSB3G623T
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General Electric
2000
SSB3G623U
SSB3G623U
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General Electric
2000
SSB3G623W
SSB3G623W
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General Electric
2000
SSB3G624M
SSB3G624M
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General Electric
2000
SSB3G624N
SSB3G624N
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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.