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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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Manufacturer
Amperage
SSF5G8411
SSF5G8411
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General Electric
3000
SSF5G8421
SSF5G8421
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General Electric
3000
SSF5G8431
SSF5G8431
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General Electric
3000
SSF5G8441
SSF5G8441
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General Electric
3000
SSF5G8461
SSF5G8461
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General Electric
3000
SSF5G8471
SSF5G8471
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General Electric
3000
SSF5G8481
SSF5G8481
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General Electric
3000
SSF5G8512
SSF5G8512
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General Electric
3000
SSF5G851R
SSF5G851R
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General Electric
3000
SSF5G851U
SSF5G851U
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General Electric
3000
SSF5G851W
SSF5G851W
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General Electric
3000
SSF5G8522
SSF5G8522
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General Electric
3000
SSF5G852R
SSF5G852R
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General Electric
3000
SSF5G852U
SSF5G852U
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General Electric
3000
SSF5G852W
SSF5G852W
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General Electric
3000
SSF5G8532
SSF5G8532
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General Electric
3000
SSF5G853R
SSF5G853R
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General Electric
3000
SSF5G853U
SSF5G853U
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General Electric
3000
SSF5G853W
SSF5G853W
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General Electric
3000
SSF5G8542
SSF5G8542
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General Electric
3000
SSF5G854R
SSF5G854R
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General Electric
3000
SSF5G854U
SSF5G854U
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General Electric
3000
SSF5G854W
SSF5G854W
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General Electric
3000
SSF5G8562
SSF5G8562
Limited Stock
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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.