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Circuit Breaker Part & Accessory

For circuit breaker systems in electrical distribution infrastructure, parts and accessories are among the most essential components for proper installation, maintenance, and operational reliability. These components enable secure mounting, proper connections, system integration, and ongoing maintenance of circuit breaker equipment throughout its operational lifecycle. Electrical.com carries an extensive selection of parts and accessories from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of industrial facilities, commercial buildings, power distribution systems, and electrical panel installations.
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Part Number
PRICE
Manufacturer
ST905A-400A
ST905A-400A
In Stock
From
$140.27
PC&S
5036300V56HZ2
5036300V56HZ2
In Stock
From
$36.61
PC&S
LS110DC150V600V
LS110DC150V600V
In Stock
From
$63.97
PC&S
M20111P
M20111P
In Stock
From
$106.97
PC&S
ST125DC10V125
ST125DC10V125
In Stock
From
$47.85
PC&S
ST125DC50MV14
ST125DC50MV14
In Stock
From
$31.17
PC&S
ST125DC50MV3000A
ST125DC50MV3000A
In Stock
From
$31.40
PC&S
ST125DC50MV300A
ST125DC50MV300A
In Stock
From
$28.60
PC&S
ST905A-300A
ST905A-300A
In Stock
From
$40.43
PC&S
ST905A10A
ST905A10A
In Stock
From
$29.27
PC&S
ST905A150A
ST905A150A
In Stock
From
$38.76
PC&S
ST905A200A
ST905A200A
In Stock
From
$128.89
PC&S
ST90DC10V200AACN4
ST90DC10V200AACN4
In Stock
From
$36.40
PC&S
ST12550MV1000
ST12550MV1000
Limited Stock
From
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PC&S
ST125DC50MV9K
ST125DC50MV9K
Limited Stock
From
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PC&S
ST125DC15V
ST125DC15V
Limited Stock
From
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PC&S
ST125DC30V
ST125DC30V
Limited Stock
From
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PC&S
ST125DC50MV1KADC
ST125DC50MV1KADC
Limited Stock
From
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PC&S
ST125DC50MV500ADC
ST125DC50MV500ADC
Limited Stock
From
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PC&S
ST125DC50MV40
ST125DC50MV40
Limited Stock
From
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PC&S

Electrical.com stocks the largest inventory of circuit breaker parts and accessories in the world, with over 1 million square feet of new, used, surplus, and re-certified components available for immediate shipment. From replacement parts to essential accessories, we have what you need when others say no. Our comprehensive circuit breaker parts and accessories inventory spans all configurations and specifications 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 breaker parts and accessories serve critical applications across industrial facilities, commercial buildings, manufacturing plants, power distribution systems, electrical panels, switchgear installations, and maintenance operations.


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