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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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Part Number
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Manufacturer
Amperage
SSF1G317K
SSF1G317K
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General Electric
800
SSF1G317L
SSF1G317L
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General Electric
800
SSF1G317N
SSF1G317N
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General Electric
800
SSF1G318F
SSF1G318F
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General Electric
800
SSF1G318H
SSF1G318H
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General Electric
800
SSF1G318I
SSF1G318I
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General Electric
800
SSF1G318J
SSF1G318J
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General Electric
800
SSF1G318K
SSF1G318K
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General Electric
800
SSF1G318L
SSF1G318L
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General Electric
800
SSF1G318N
SSF1G318N
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General Electric
800
SSF1G319F
SSF1G319F
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General Electric
800
SSF1G319H
SSF1G319H
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General Electric
800
SSF1G319I
SSF1G319I
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General Electric
800
SSF1G319J
SSF1G319J
Limited Stock
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General Electric
800
SSF1G319K
SSF1G319K
Limited Stock
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General Electric
800
SSF1G319L
SSF1G319L
Limited Stock
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General Electric
800
SSF1G319N
SSF1G319N
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General Electric
800
SSF1G321F
SSF1G321F
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General Electric
800
SSF1G321H
SSF1G321H
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General Electric
800
SSF1G321I
SSF1G321I
Limited Stock
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General Electric
800
SSF1G321J
SSF1G321J
Limited Stock
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General Electric
800
SSF1G321K
SSF1G321K
Limited Stock
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General Electric
800
SSF1G321L
SSF1G321L
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General Electric
800
SSF1G321N
SSF1G321N
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General Electric
800

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.