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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded 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, manufacturing facilities, data centers, and industrial power distribution applications.

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Part Number	PRICE	Manufacturer	Amperage	Voltage
NZMN2-AF60-NA	In Stock From $400^.50	Klockner Moeller	60	600
NZMN2-M200	In Stock From $2,291^.06	Klockner Moeller	200	690
NZMN3-ME350	In Stock From $3,876^.94	Klockner Moeller	350	690
NZMN3-VE400	Limited Stock From Get Price	Eaton	400	690
NZMN3-VE600-NA	In Stock From $6,290^.37	Eaton	600	600
NZMN4-4-AE800	Limited Stock From Get Price	Klockner Moeller	800	690
NZMN4-ME550	Limited Stock From Get Price	Klockner Moeller	550	690
NZMN4-VE630	Limited Stock From Get Price	Eaton	630	690
ZM6-25-CNA	In Stock From $36^.31	Klockner Moeller	25	600
NZM12-1250	In Stock From $1,307^.44	Klockner Moeller	1200	600
NZM7-40S-NA	In Stock From $731^.50	Klockner Moeller	40	600
NZMH9-250/ZM9A-150-NA	In Stock From $4,442^.44	Klockner Moeller	150	600
NZM9-250/ZM9A-250-NA	In Stock From $695^.67	Klockner Moeller	250	600
NZMB1-AF125-NA	In Stock From $1,420^.00	Eaton	125	480
NZMB2-S2.4-BT-CNA	In Stock From $890^.62	Klockner Moeller	2.4	600
NZMH2-A125-NA	In Stock From $1,140^.00	Klockner Moeller	125	600
NZMN1-M100	In Stock From $969^.39	Klockner Moeller	100	690
NZMN2-AF150-NA	Limited Stock From Get Price	Eaton	150	600
NZMN2-AF200-NA	Limited Stock From Get Price	Klockner Moeller	200	600
NZMN2-AF250-NA	Limited Stock From Get Price	Eaton	250	600
NZMN4-AE800-NA	In Stock From $11,286^.00	Klockner Moeller	800	600
ZM9-200-CNA	In Stock From $1,560^.30	Klockner Moeller	200	600
ZM9A-200-CNA	In Stock From $976^.00	Klockner Moeller	200	600
PKZM0-0.63	In Stock From $137^.34	Klockner Moeller	-	-

Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities 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 molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.

Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded 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.