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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
MDS840	Limited Stock From Get Price	Cutler Hammer	4000
MDS8403WEA	Limited Stock From Get Price	Cutler Hammer	4000
MDS8503WEA	Limited Stock From Get Price	Cutler Hammer	5000
SPB100M-3P-1600A-EO-DO-LIG	Limited Stock From Get Price	Cutler Hammer	1600
SPB50-3P-800A-MO-BO-LSIG	Limited Stock From Get Price	Cutler Hammer	800
MDS6323WEA321CANAA4YNNNAX	Limited Stock From Get Price	Cutler Hammer	2300
MDSC16	Limited Stock From Get Price	Cutler Hammer	1600
MDSC203HEA	Limited Stock From Get Price	Cutler Hammer	2000
MDSC303HEA	Limited Stock From Get Price	Cutler Hammer	3000
MDSC4N3HEA	Limited Stock From Get Price	Cutler Hammer	4000
MDSC5N3HEA	Limited Stock From Get Price	Cutler Hammer	5000
MDS6203WEA2052ANAA4NPNNPX	Limited Stock From Get Price	Eaton	2000
MDS8163WEA12MUANA34YPANAX	Limited Stock From Get Price	Eaton	1600
MDSC303WEA	Limited Stock From Get Price	Cutler Hammer	3000
MDSC403WEA	Limited Stock From Get Price	Cutler Hammer	4000
MDSC4N3WEA401CCNAN6NMNNAX	Limited Stock From Get Price	Eaton	4000
MDSC4N3WEA401CNMNN4ENANAX	Limited Stock From Get Price	Eaton	4000
MDN408	Limited Stock From Get Price	Cutler Hammer	800
MDS6083VEA	Limited Stock From Get Price	Cutler Hammer	800
MDS6303WEA	Limited Stock From Get Price	Cutler Hammer	3000
MDS6323VEA	Limited Stock From Get Price	Cutler Hammer	3200
MDS84N3HEA	Limited Stock From Get Price	Cutler Hammer	4000
MDS84N3VEA	Limited Stock From Get Price	Cutler Hammer	4000
PB31400	Limited Stock From Get Price	Eaton	1400

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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.