Refine Results

In Stock

Applied Filters:

Insulated Case Circuit Breaker

Subcategory

Insulated Case Circuit Breaker

Manufacturers

All

Family

All

Amperage

All

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.

SORT BY

Part Number	PRICE	Manufacturer	Amperage
MDN4083LEA0122NMNENENKCWX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKDAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKDCX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKDPX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKDSX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKDWX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKMAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKMCX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKMPX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKMSX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKMWX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKNCX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKNPX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKNSX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENKNWX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLCAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLCCX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLCPX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLCSX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLCWX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLDAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLDCX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA0122NMNENENLDPX	Limited Stock From Get Price	Cutler Hammer	800

1
...
513
514
515
...
13,851

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.