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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
MDN4083LEA08CENMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CFNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CHNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CMNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CNNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CTNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CUNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08CVNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08M2NMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MCNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MENMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MFNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MGNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MHNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MMNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MNNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MTNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MUNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4083LEA08MVNMNNNENNNAX	Limited Stock From Get Price	Cutler Hammer	800
MDN4084LEA	Limited Stock From Get Price	Cutler Hammer	800
MDN4123HEA	Limited Stock From Get Price	Cutler Hammer	1200
MDN4124LEA	Limited Stock From Get Price	Cutler Hammer	1200
MDN416	Limited Stock From Get Price	Cutler Hammer	1600
MDN4163HEA	Limited Stock From Get Price	Cutler Hammer	1600

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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.