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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
NF50-CW-3P-40A
NF50-CW-3P-40A
In Stock
From
$86.34
Mitsubishi
NF50-FHU2P10A
NF50-FHU2P10A
Limited Stock
From
Get Price
Mitsubishi
NF50-HR
NF50-HR
In Stock
From
$68.50
Mitsubishi
NF50-KB-3P-40A
NF50-KB-3P-40A
In Stock
From
$85.72
Mitsubishi
NF50-SMU1P13A
NF50-SMU1P13A
In Stock
From
$67.67
Mitsubishi
NF50-SMU1P25A
NF50-SMU1P25A
In Stock
From
$57.57
Mitsubishi
NF50-SMU1P6A
NF50-SMU1P6A
In Stock
From
$121.46
Mitsubishi
NF50-SMU1P7A
NF50-SMU1P7A
In Stock
From
$111.31
Mitsubishi
NF50-SMU21
NF50-SMU21
In Stock
From
$45.22
Mitsubishi
NF50-SMU2P15A
NF50-SMU2P15A
In Stock
From
$83.20
Mitsubishi
NF50-SMU2P20A
NF50-SMU2P20A
In Stock
From
$198.50
Mitsubishi
NF50-SMU3P13A
NF50-SMU3P13A
In Stock
From
$208.06
Mitsubishi
NF50-SMU3P5A
NF50-SMU3P5A
In Stock
From
$166.54
Mitsubishi
NF50-SMU3P7A
NF50-SMU3P7A
In Stock
From
$205.03
Mitsubishi
NF50-SRU 3P 1A
NF50-SRU 3P 1A
In Stock
From
$195.82
Mitsubishi
NF50-SRU-2P-10A
NF50-SRU-2P-10A
In Stock
From
$69.54
Mitsubishi
NF50-SRU-2P-15A
NF50-SRU-2P-15A
In Stock
From
$55.54
Mitsubishi
NF50-SRU-2P-30A
NF50-SRU-2P-30A
In Stock
From
$32.67
Mitsubishi
NF50-SRU-2P-3A
NF50-SRU-2P-3A
In Stock
From
$89.84
Mitsubishi
NF50-SRU-2P-5A
NF50-SRU-2P-5A
In Stock
From
$61.61
Mitsubishi
NF50-SRU-3P-20A-AX-1L-SLT
NF50-SRU-3P-20A-AX-1L-SLT
In Stock
From
$130.08
Mitsubishi
NF50-SRU2005
NF50-SRU2005
In Stock
From
$178.44
Mitsubishi
NF50-SRU2020
NF50-SRU2020
In Stock
From
$101.65
Mitsubishi
NF50-SRU2030
NF50-SRU2030
In Stock
From
$16.34
Mitsubishi
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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