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Circuit Breaker

For power distribution and electrical protection systems, circuit breakers are among the most critical components for safeguarding equipment, personnel, and facilities from electrical overloads and short circuits. Circuit breakers automatically interrupt electrical current flow when abnormal conditions are detected, protecting circuits from damage while allowing manual reset and continued operation. Electrical.com carries an extensive selection of 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
Poles
MDLB2350
MDLB2350
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Eaton
350
2
MDLB2400
MDLB2400
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Westinghouse
400
2
MDLB2450
MDLB2450
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Cutler Hammer
450
2
MDLB2500
MDLB2500
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Eaton
500
2
MDLB2600
MDLB2600
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Eaton
600
2
MDLB2700
MDLB2700
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Eaton
700
2
MDLB2800
MDLB2800
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Westinghouse
800
2
MDLB3500V
MDLB3500V
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Westinghouse
500
3
MDLB3800T32W
MDLB3800T32W
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Eaton
800
3
MDLB3800T35W
MDLB3800T35W
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Cutler Hammer
800
3
MDLB3800T36W
MDLB3800T36W
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Westinghouse
800
3
NCG31200
NCG31200
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Westinghouse
1200
3
ND212T32W
ND212T32W
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Westinghouse
1200
2
ND212T35W
ND212T35W
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Westinghouse
1200
2
ND212T36W
ND212T36W
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Westinghouse
1200
2
ND2800T33W
ND2800T33W
Limited Stock
From
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Westinghouse
800
2
ND312T52WPN
ND312T52WPN
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From
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Cutler Hammer
1200
3
ND312T52WZG
ND312T52WZG
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From
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Eaton
1200
3
ND312T52WZGP
ND312T52WZGP
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From
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Cutler Hammer
1200
3
ND312T56WPN
ND312T56WPN
Limited Stock
From
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Eaton
1200
3
ND312T56WZG
ND312T56WZG
Limited Stock
From
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Westinghouse
1200
3
ND312T56WZGP
ND312T56WZGP
Limited Stock
From
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Eaton
1200
3
ND312T57WPN
ND312T57WPN
Limited Stock
From
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Eaton
1200
3
ND312T57WZG
ND312T57WZG
Limited Stock
From
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Eaton
1200
3
Popular Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit protection equipment available for immediate shipment. From residential to industrial applications, across all voltage and amperage ratings, we have what you need when others say no. Our comprehensive circuit breaker inventory spans all voltage classes, amperage ratings, and pole configurations 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 circuit breakers serve critical applications across manufacturing facilities, commercial buildings, data centers, healthcare facilities, utilities and power generation, industrial plants, residential construction, telecommunications infrastructure, and process control installations.


Whether you're maintaining legacy equipment with obsolete circuit breaker models or sourcing current production components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime and keep your operations running. Need 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.

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