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Insulated Case Circuit Breaker

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Merlin Gerin

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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
M32H	Limited Stock From Get Price	Merlin Gerin	3200
M32N	Limited Stock From Get Price	Schneider Electric	3200
M32N1	Limited Stock From Get Price	Square D	3200
M32NI	Limited Stock From Get Price	Merlin Gerin	3200
M40H	Limited Stock From Get Price	Merlin Gerin	4000
M50H	Limited Stock From Get Price	Square D	5000
M50H2	Limited Stock From Get Price	Square D	5000
M63	Limited Stock From Get Price	Schneider Electric	6300
M63H2	Limited Stock From Get Price	Schneider Electric	6300
MC08H	Limited Stock From Get Price	Merlin Gerin	800
MC08H1	Limited Stock From Get Price	Square D	800
MC08N	Limited Stock From Get Price	Square D	800
MC08N1	Limited Stock From Get Price	Square D	800
MC12H	Limited Stock From Get Price	Square D	1200
MC12H1	Limited Stock From Get Price	Merlin Gerin	1200
MC12N	Limited Stock From Get Price	Merlin Gerin	1200
MC12N1	Limited Stock From Get Price	Merlin Gerin	1200
MC16H	Limited Stock From Get Price	Square D	1600
MC16N	Limited Stock From Get Price	Merlin Gerin	1600
MC16N1	Limited Stock From Get Price	Square D	1600
MC20H	Limited Stock From Get Price	Merlin Gerin	2000
MC20H1	Limited Stock From Get Price	Merlin Gerin	2000
MC20N	Limited Stock From Get Price	Merlin Gerin	2000
MC20N1	Limited Stock From Get Price	Square D	2000

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.