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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
SSF4G483H
SSF4G483H
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General Electric
1000
SSF4G483K
SSF4G483K
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General Electric
1000
SSF4G483N
SSF4G483N
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General Electric
1000
SSF4G483P
SSF4G483P
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General Electric
1000
SSF4G484H
SSF4G484H
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General Electric
1000
SSF4G484K
SSF4G484K
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General Electric
1000
SSF4G484N
SSF4G484N
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General Electric
1000
SSF4G484P
SSF4G484P
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General Electric
1000
SSF4G486H
SSF4G486H
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General Electric
1000
SSF4G486K
SSF4G486K
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General Electric
1000
SSF4G486N
SSF4G486N
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General Electric
1000
SSF4G486P
SSF4G486P
Limited Stock
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General Electric
1000
SSF4G487H
SSF4G487H
Limited Stock
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General Electric
1000
SSF4G487K
SSF4G487K
Limited Stock
From
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General Electric
1000
SSF4G487N
SSF4G487N
Limited Stock
From
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General Electric
1000
SSF4G487P
SSF4G487P
Limited Stock
From
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General Electric
1000
SSF4G488H
SSF4G488H
Limited Stock
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General Electric
1000
SSF4G488K
SSF4G488K
Limited Stock
From
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General Electric
1000
SSF4G488N
SSF4G488N
Limited Stock
From
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General Electric
1000
SSF4G488P
SSF4G488P
Limited Stock
From
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General Electric
1000
SSF4G489H
SSF4G489H
Limited Stock
From
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General Electric
1000
SSF4G489K
SSF4G489K
Limited Stock
From
Get Price
General Electric
1000
SSF4G489N
SSF4G489N
Limited Stock
From
Get Price
General Electric
1000
SSF4G489P
SSF4G489P
Limited Stock
From
Get Price
General Electric
1000

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.