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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
SSB4G684P
SSB4G684P
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General Electric
2000
SSB4G684R
SSB4G684R
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General Electric
2000
SSB4G684T
SSB4G684T
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General Electric
2000
SSB4G684U
SSB4G684U
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General Electric
2000
SSB4G684W
SSB4G684W
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General Electric
2000
SSB4G686M
SSB4G686M
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General Electric
2000
SSB4G686N
SSB4G686N
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General Electric
2000
SSB4G686P
SSB4G686P
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General Electric
2000
SSB4G686R
SSB4G686R
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General Electric
2000
SSB4G686T
SSB4G686T
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General Electric
2000
SSB4G686U
SSB4G686U
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General Electric
2000
SSB4G686W
SSB4G686W
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General Electric
2000
SSB4G687M
SSB4G687M
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General Electric
2000
SSB4G687N
SSB4G687N
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General Electric
2000
SSB4G687P
SSB4G687P
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General Electric
2000
SSB4G687R
SSB4G687R
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General Electric
2000
SSB4G687T
SSB4G687T
Limited Stock
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General Electric
2000
SSB4G687U
SSB4G687U
Limited Stock
From
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General Electric
2000
SSB4G687W
SSB4G687W
Limited Stock
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General Electric
2000
SSB4G688M
SSB4G688M
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General Electric
2000
SSB4G688N
SSB4G688N
Limited Stock
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General Electric
2000
SSB4G688P
SSB4G688P
Limited Stock
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General Electric
2000
SSB4G688R
SSB4G688R
Limited Stock
From
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General Electric
2000
SSB4G688T
SSB4G688T
Limited Stock
From
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General Electric
2000

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.