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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
8WD4-320-0FA
8WD4-320-0FA
In Stock
From
$122.54
Siemens
8WD4-320-1BB
8WD4-320-1BB
In Stock
From
$79.80
Siemens
8WD4-320-1BD
8WD4-320-1BD
In Stock
From
$38.37
Siemens
8WD4-320-5AB
8WD4-320-5AB
In Stock
From
$30.24
Siemens
8WD4-340-0CD
8WD4-340-0CD
In Stock
From
$24.27
Siemens
8WD4-420-1BC
8WD4-420-1BC
Limited Stock
From
Get Price
Siemens
8WD4-440-1BC
8WD4-440-1BC
In Stock
From
$82.64
Siemens
8WD4208-0DE
8WD4208-0DE
In Stock
From
$83.83
Siemens
8WD4220-1BE
8WD4220-1BE
In Stock
From
$95.89
Siemens
8WD42201BF
8WD42201BF
Limited Stock
From
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Siemens
8WD4240-1BF
8WD4240-1BF
In Stock
From
$65.94
Siemens
8WD42501BB
8WD42501BB
In Stock
From
$100.85
Siemens
8WD42501BD
8WD42501BD
In Stock
From
$64.52
Siemens
8WD4300-1AF
8WD4300-1AF
In Stock
From
$99.55
Siemens
8WD4308-0CA
8WD4308-0CA
In Stock
From
$64.64
Siemens
8WD4320-5AC
8WD4320-5AC
Limited Stock
From
Get Price
Siemens
8WD4320-5AD
8WD4320-5AD
In Stock
From
$98.72
Siemens
8WD43205AE
8WD43205AE
Limited Stock
From
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Siemens
8WD43501BB
8WD43501BB
In Stock
From
$98.56
Siemens
8WD43501BD
8WD43501BD
In Stock
From
$117.21
Siemens
8WD4400-1AC
8WD4400-1AC
In Stock
From
$87.32
Siemens
8WD4400-1AD
8WD4400-1AD
In Stock
From
$82.57
Siemens
8WD4400-1AF
8WD4400-1AF
In Stock
From
$100.70
Siemens
8WD4420-0CB
8WD4420-0CB
In Stock
From
$390.00
Siemens

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.