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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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Part Number
PRICE
Manufacturer
Amperage
THS20210E3
THS20210E3
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General Electric
1000
THS20210E4
THS20210E4
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General Electric
1000
THS20210E5
THS20210E5
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General Electric
1000
THS20210E6
THS20210E6
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General Electric
1000
THS20212
THS20212
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General Electric
1200
THS20212E1
THS20212E1
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General Electric
1200
THS20212E2
THS20212E2
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General Electric
1200
THS20212E3
THS20212E3
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General Electric
1200
THS20212E4
THS20212E4
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General Electric
1200
THS20212E5
THS20212E5
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General Electric
1200
THS20212E6
THS20212E6
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General Electric
1200
THS20214
THS20214
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General Electric
1400
THS20214E1
THS20214E1
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General Electric
1400
THS20214E2
THS20214E2
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General Electric
1400
THS20214E3
THS20214E3
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General Electric
1400
THS20214E4
THS20214E4
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General Electric
1400
THS20214E5
THS20214E5
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General Electric
1400
THS20214E6
THS20214E6
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General Electric
1400
THS20216
THS20216
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General Electric
1600
THS20216E1
THS20216E1
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General Electric
1600
THS20216E2
THS20216E2
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General Electric
1600
THS20216E3
THS20216E3
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General Electric
1600
THS20216E4
THS20216E4
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General Electric
1600
THS20216E5
THS20216E5
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General Electric
1600

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.