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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
SSF6G9261
SSF6G9261
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General Electric
4000
SSF6G9262
SSF6G9262
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General Electric
4000
SSF6G926U
SSF6G926U
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General Electric
4000
SSF6G926W
SSF6G926W
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General Electric
4000
SSF6G9271
SSF6G9271
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General Electric
4000
SSF6G9272
SSF6G9272
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General Electric
4000
SSF6G927U
SSF6G927U
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General Electric
4000
SSF6G927W
SSF6G927W
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General Electric
4000
SSF6G9281
SSF6G9281
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General Electric
4000
SSF6G9282
SSF6G9282
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General Electric
4000
SSF6G928U
SSF6G928U
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General Electric
4000
SSF6G928W
SSF6G928W
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General Electric
4000
SSF6G9291
SSF6G9291
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General Electric
4000
SSF6G9292
SSF6G9292
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General Electric
4000
SSF6G929U
SSF6G929U
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General Electric
4000
SSF6G929W
SSF6G929W
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General Electric
4000
SSF6G9311
SSF6G9311
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General Electric
4000
SSF6G9312
SSF6G9312
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General Electric
4000
SSF6G931U
SSF6G931U
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General Electric
4000
SSF6G931W
SSF6G931W
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General Electric
4000
SSF6G9321
SSF6G9321
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General Electric
4000
SSF6G9322
SSF6G9322
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General Electric
4000
SSF6G932U
SSF6G932U
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General Electric
4000
SSF6G932W
SSF6G932W
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General Electric
4000

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.