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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
508042-3048
508042-3048
Limited Stock
From
Get Price
Arvin Diamond
509-K04
509-K04
In Stock
From
$6.34
Allen-Bradley
50980BA
50980BA
Limited Stock
From
Get Price
Schneider Electric
51-93-12
51-93-12
In Stock
From
$982.73
Eaton
51-E-4939
51-E-4939
In Stock
From
$438.49
Westinghouse
5101111
5101111
In Stock
From
$377.83
Nidec Corp
51017375
51017375
In Stock
From
$122.56
Wago
5118N/2
5118N/2
In Stock
From
$152.04
EBM Papst
511P0N05
511P0N05
In Stock
From
$42.44
Marechal Electric Sa
51205068
51205068
In Stock
From
$23.13
Wago
512F/2
512F/2
In Stock
From
$51.70
EBM Papst
512F/2-531
512F/2-531
In Stock
From
$60.79
EBM Papst
512F/2P-549
512F/2P-549
In Stock
From
$51.09
EBM Papst
51303940-150
51303940-150
In Stock
From
$2,503.42
Honeywell
513P0N05
513P0N05
In Stock
From
$39.39
Marechal Electric Sa
514P0N12
514P0N12
In Stock
From
$101.89
Marechal Electric Sa
515-1049-802F
515-1049-802F
In Stock
From
$2.00
Dialight
515-1132F
515-1132F
In Stock
From
$2.62
Dialight
515-1137-802F
515-1137-802F
In Stock
From
$1.20
Dialight
515-1137F
515-1137F
In Stock
From
$1.35
Dialight
515-1154F
515-1154F
In Stock
From
$1.11
Dialight
515-1156F
515-1156F
In Stock
From
$6.09
Dialight
515-1166F
515-1166F
In Stock
From
$2.11
Dialight
515-1167F
515-1167F
In Stock
From
$2.64
Dialight

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.