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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
SSF4G491H
SSF4G491H
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General Electric
1000
SSF4G491K
SSF4G491K
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General Electric
1000
SSF4G491N
SSF4G491N
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General Electric
1000
SSF4G491P
SSF4G491P
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General Electric
1000
SSF4G492H
SSF4G492H
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General Electric
1000
SSF4G492K
SSF4G492K
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General Electric
1000
SSF4G492N
SSF4G492N
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General Electric
1000
SSF4G492P
SSF4G492P
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General Electric
1000
SSF4G493H
SSF4G493H
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General Electric
1000
SSF4G493K
SSF4G493K
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General Electric
1000
SSF4G493N
SSF4G493N
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General Electric
1000
SSF4G493P
SSF4G493P
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General Electric
1000
SSF4G494H
SSF4G494H
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General Electric
1000
SSF4G494K
SSF4G494K
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General Electric
1000
SSF4G494N
SSF4G494N
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General Electric
1000
SSF4G494P
SSF4G494P
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General Electric
1000
SSF4G496H
SSF4G496H
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General Electric
1000
SSF4G496K
SSF4G496K
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General Electric
1000
SSF4G496N
SSF4G496N
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General Electric
1000
SSF4G496P
SSF4G496P
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General Electric
1000
SSF4G497H
SSF4G497H
Limited Stock
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General Electric
1000
SSF4G497K
SSF4G497K
Limited Stock
From
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General Electric
1000
SSF4G497N
SSF4G497N
Limited Stock
From
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General Electric
1000
SSF4G497P
SSF4G497P
Limited Stock
From
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General Electric
1000

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.