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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
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
MDSC404WEA	Limited Stock From Get Price	Cutler Hammer	4000
MDSC4N3HEA405GNMNN4ENNNA	Limited Stock From Get Price	Eaton	4000
MDSC4N3WEA401CCNAN6NMNNAX	Limited Stock From Get Price	Eaton	4000
MDSC4N3WEA401CNMNN4ENANAX	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
MDSC5N3WEA	Limited Stock From Get Price	Cutler Hammer	5000
MDSH323WEA32MECNAN4LNNNAX	Limited Stock From Get Price	Eaton	2300
MWI6323LEA	Limited Stock From Get Price	Cutler Hammer	3200
NSS6083W	Limited Stock From Get Price	Eaton	800
SSD25G325	Limited Stock From Get Price	General Electric	2500
T8V2000	Limited Stock From Get Price	ABB	2000
WLII2500H	Limited Stock From Get Price	Siemens	2500
WLL2A316TCFXXXXEN	Limited Stock From Get Price	Siemens	1600
504C585G15	Limited Stock From Get Price	Westinghouse	1400
M08HI	Limited Stock From Get Price	Schneider Electric	800

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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.