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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
THS25216E4
THS25216E4
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General Electric
1600
THS25216E5
THS25216E5
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General Electric
1600
THS25216E6
THS25216E6
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General Electric
1600
THS25218
THS25218
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General Electric
1800
THS25218E1
THS25218E1
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General Electric
1800
THS25218E2
THS25218E2
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General Electric
1800
THS25218E3
THS25218E3
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General Electric
1800
THS25218E4
THS25218E4
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General Electric
1800
THS25218E5
THS25218E5
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General Electric
1800
THS25218E6
THS25218E6
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General Electric
1800
THS25220
THS25220
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General Electric
2000
THS25220E1
THS25220E1
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General Electric
2000
THS25220E2
THS25220E2
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General Electric
2000
THS25220E3
THS25220E3
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General Electric
2000
THS25220E4
THS25220E4
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General Electric
2000
THS25220E5
THS25220E5
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General Electric
2000
THS25220E6
THS25220E6
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General Electric
2000
THS25223
THS25223
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General Electric
2300
THS25223E1
THS25223E1
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General Electric
2300
THS25223E2
THS25223E2
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General Electric
2300
THS25223E3
THS25223E3
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General Electric
2300
THS25223E4
THS25223E4
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General Electric
2300
THS25223E5
THS25223E5
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General Electric
2300
THS25223E6
THS25223E6
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General Electric
2300

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.