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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
THP4040T
THP4040T
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General Electric
4000
THP4040TR
THP4040TR
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General Electric
4000
THP4040TRE1
THP4040TRE1
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General Electric
4000
THP4040TRE3
THP4040TRE3
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General Electric
4000
THP4040TRE5
THP4040TRE5
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General Electric
4000
THP4040TRE6
THP4040TRE6
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General Electric
4000
THP4040TRE7
THP4040TRE7
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General Electric
4000
THP4040TTE1
THP4040TTE1
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General Electric
4000
THP4040TTE2
THP4040TTE2
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General Electric
4000
THP4040TTE3
THP4040TTE3
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General Electric
4000
THP4040TTE5
THP4040TTE5
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General Electric
4000
THP4040TTE6
THP4040TTE6
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General Electric
4000
THP4040TTE7
THP4040TTE7
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General Electric
4000
THP82SS
THP82SS
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General Electric
200
THP82SSE1
THP82SSE1
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General Electric
200
THP82SSE3
THP82SSE3
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General Electric
200
THP82SSE5
THP82SSE5
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General Electric
200
THP82SSE6
THP82SSE6
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General Electric
200
THP82SSE7
THP82SSE7
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General Electric
200
THP82TT
THP82TT
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General Electric
200
THP82TTE1
THP82TTE1
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General Electric
200
THP82TTE3
THP82TTE3
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General Electric
200
THP82TTE5
THP82TTE5
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General Electric
200
THP82TTE6
THP82TTE6
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General Electric
200

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.