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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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SHD3G669R
SHD3G669R
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General Electric
2000
SHD3G669T
SHD3G669T
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General Electric
2000
SHD3G669U
SHD3G669U
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General Electric
2000
SHD3G669W
SHD3G669W
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General Electric
2000
SHD3G681M
SHD3G681M
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General Electric
2000
SHD3G681N
SHD3G681N
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General Electric
2000
SHD3G681P
SHD3G681P
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General Electric
2000
SHD3G681R
SHD3G681R
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General Electric
2000
SHD3G681T
SHD3G681T
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General Electric
2000
SHD3G681U
SHD3G681U
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General Electric
2000
SHD3G681W
SHD3G681W
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General Electric
2000
SHD3G682M
SHD3G682M
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General Electric
2000
SHD3G682N
SHD3G682N
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General Electric
2000
SHD3G682P
SHD3G682P
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General Electric
2000
SHD3G682R
SHD3G682R
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General Electric
2000
SHD3G682T
SHD3G682T
Limited Stock
From
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General Electric
2000
SHD3G682U
SHD3G682U
Limited Stock
From
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General Electric
2000
SHD3G682W
SHD3G682W
Limited Stock
From
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General Electric
2000
SHD3G683M
SHD3G683M
Limited Stock
From
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General Electric
2000
SHD3G683N
SHD3G683N
Limited Stock
From
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General Electric
2000
SHD3G683P
SHD3G683P
Limited Stock
From
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General Electric
2000
SHD3G683R
SHD3G683R
Limited Stock
From
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General Electric
2000
SHD3G683T
SHD3G683T
Limited Stock
From
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General Electric
2000
SHD3G683U
SHD3G683U
Limited Stock
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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.