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Insulated Case Circuit Breaker

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Insulated Case Circuit Breaker

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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
MDSC163WEA161QAWAN6YNNNAX	Limited Stock From Get Price	Eaton	1600
MDSC163WEA1652NMNH6NHNNAX	Limited Stock From Get Price	Eaton	1600
MDSC303HEA305GAMNN2ECNNAX	Limited Stock From Get Price	Eaton	3000
MDSC303HEA305GAMNN2EMKNAX	Limited Stock From Get Price	Eaton	3000
MDSC303HEA305GAMNN2EPKNAX	Limited Stock From Get Price	Eaton	3000
MDSC303HEA305GNMNNNNNKNAX	Limited Stock From Get Price	Eaton	3000
MDSC303WEA12CHCNAN6Y	Limited Stock From Get Price	Eaton	3000
MDSC303WEA25CHCNAN6Y	Limited Stock From Get Price	Eaton	3000
MDSC323HEA30MGCMNN2YNNNAX	Limited Stock From Get Price	Eaton	2300
MDSC323HEA325GNMNNNNPANAX	Limited Stock From Get Price	Eaton	2300
MDSC403HEA405GNMNN2EMMNAX	Limited Stock From Get Price	Cutler Hammer	4000
MDSC4N3HEA405GNMNN4ENNNA	Limited Stock From Get Price	Eaton	4000
MDSC4N3WEA4052NMNNNECNNAX	Limited Stock From Get Price	Eaton	4000
MDSC4N3WEA405GAMNN2ECNNAX	Limited Stock From Get Price	Eaton	4000
MDSC503WEANNNNAWAN6EMANAX	Limited Stock From Get Price	Eaton	5000
MDSH323WEA32MECNAN4LNNNAX	Limited Stock From Get Price	Eaton	2300
NSS6083W	Limited Stock From Get Price	Eaton	800
PB31500	Limited Stock From Get Price	Westinghouse	1500
177C181G39	Limited Stock From Get Price	Eaton	800
MDS6304WEA251GRNAN6YNANAX	Limited Stock From Get Price	Eaton	3000
MDS6304WEA251GRNAN6YNANX	Limited Stock From Get Price	Eaton	3000
MDSC164WEA161GRNAN6YHANAX	Limited Stock From Get Price	Eaton	1600
PB31000PF	Limited Stock From Get Price	Cutler Hammer	1000
PB31000PRF	Limited Stock From Get Price	Westinghouse	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.