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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
EM6B045TL
EM6B045TL
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Siemens
45
3
EM6B050MC1L
EM6B050MC1L
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Siemens
50
3
EM6B050MS2L
EM6B050MS2L
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Siemens
50
3
EM6B050TL
EM6B050TL
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Siemens
50
3
EM6B060TL
EM6B060TL
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Siemens
60
3
EM6B070TL
EM6B070TL
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Siemens
70
3
EM6B080TL
EM6B080TL
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Siemens
80
3
EM6B090TL
EM6B090TL
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Siemens
90
3
EM6B100MS2L
EM6B100MS2L
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Siemens
100
3
EM6B100TL
EM6B100TL
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Siemens
100
3
EM6B125MC2L
EM6B125MC2L
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Siemens
125
3
EM6B125TL
EM6B125TL
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Siemens
125
3
EMKB050TL
EMKB050TL
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Siemens
50
3
EMKB100TL
EMKB100TL
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Siemens
100
3
EMKB125MC2L
EMKB125MC2L
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Siemens
125
3
FD62B070NAV
FD62B070NAV
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Siemens
70
2
FD62B080NAV
FD62B080NAV
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Siemens
80
2
FD62B090NAV
FD62B090NAV
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Siemens
90
2
FD62B100NAV
FD62B100NAV
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Siemens
100
2
FD62B110NAV
FD62B110NAV
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Siemens
110
2
FD62B125NAV
FD62B125NAV
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Siemens
125
2
FD62B150L
FD62B150L
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Siemens
150
2
FD62B150NAV
FD62B150NAV
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Siemens
150
2
FD62B175NAV
FD62B175NAV
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Siemens
175
2
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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