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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
SSF5G8W42
SSF5G8W42
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General Electric
3000
SSF5G8W4R
SSF5G8W4R
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General Electric
3000
SSF5G8W4U
SSF5G8W4U
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General Electric
3000
SSF5G8W4W
SSF5G8W4W
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General Electric
3000
SSF5G8W61
SSF5G8W61
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General Electric
3000
SSF5G8W62
SSF5G8W62
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General Electric
3000
SSF5G8W6R
SSF5G8W6R
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General Electric
3000
SSF5G8W6U
SSF5G8W6U
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General Electric
3000
SSF5G8W6W
SSF5G8W6W
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General Electric
3000
SSF5G8W71
SSF5G8W71
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General Electric
3000
SSF5G8W72
SSF5G8W72
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General Electric
3000
SSF5G8W7R
SSF5G8W7R
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General Electric
3000
SSF5G8W7U
SSF5G8W7U
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General Electric
3000
SSF5G8W7W
SSF5G8W7W
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General Electric
3000
SSF5G8W81
SSF5G8W81
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General Electric
3000
SSF5G8W82
SSF5G8W82
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General Electric
3000
SSF5G8W8R
SSF5G8W8R
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General Electric
3000
SSF5G8W8U
SSF5G8W8U
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General Electric
3000
SSF5G8W8W
SSF5G8W8W
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General Electric
3000
SSF5G8W91
SSF5G8W91
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General Electric
3000
SSF5G8W92
SSF5G8W92
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General Electric
3000
SSF5G8W9R
SSF5G8W9R
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General Electric
3000
SSF5G8W9U
SSF5G8W9U
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General Electric
3000
SSF5G8W9W
SSF5G8W9W
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General Electric
3000

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.