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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
SSB6G9Q2W
SSB6G9Q2W
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General Electric
4000
SSB6G9Q31
SSB6G9Q31
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General Electric
4000
SSB6G9Q32
SSB6G9Q32
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General Electric
4000
SSB6G9Q3U
SSB6G9Q3U
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General Electric
4000
SSB6G9Q3W
SSB6G9Q3W
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General Electric
4000
SSB6G9Q41
SSB6G9Q41
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General Electric
4000
SSB6G9Q42
SSB6G9Q42
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General Electric
4000
SSB6G9Q4U
SSB6G9Q4U
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General Electric
4000
SSB6G9Q4W
SSB6G9Q4W
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General Electric
4000
SSB6G9Q61
SSB6G9Q61
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General Electric
4000
SSB6G9Q62
SSB6G9Q62
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General Electric
4000
SSB6G9Q6U
SSB6G9Q6U
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General Electric
4000
SSB6G9Q6W
SSB6G9Q6W
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General Electric
4000
SSB6G9Q71
SSB6G9Q71
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General Electric
4000
SSB6G9Q72
SSB6G9Q72
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General Electric
4000
SSB6G9Q7U
SSB6G9Q7U
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General Electric
4000
SSB6G9Q7W
SSB6G9Q7W
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General Electric
4000
SSB6G9Q81
SSB6G9Q81
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General Electric
4000
SSB6G9Q82
SSB6G9Q82
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General Electric
4000
SSB6G9Q8U
SSB6G9Q8U
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General Electric
4000
SSB6G9Q8W
SSB6G9Q8W
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General Electric
4000
SSB6G9Q91
SSB6G9Q91
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General Electric
4000
SSB6G9Q92
SSB6G9Q92
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General Electric
4000
SSB6G9Q9U
SSB6G9Q9U
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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.