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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
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Manufacturer
ST125DC30V
ST125DC30V
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PC&S
ST125DC50MV1KADC
ST125DC50MV1KADC
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PC&S
ST125DC50MV500ADC
ST125DC50MV500ADC
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PC&S
ST1L1A0P
ST1L1A0P
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KEP
ST240SPG
ST240SPG
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Mersen
ST24K3X
ST24K3X
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Ametek
ST480SPG
ST480SPG
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Mersen
ST56EL-ETN-WS-5-LB18
ST56EL-ETN-WS-5-LB18
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Q-Light
ST90600V600V
ST90600V600V
Limited Stock
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Standard Electric
STD-0-9-EACH
STD-0-9-EACH
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3M
STF-212V-A-R
STF-212V-A-R
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Patlite
STFPB-V-R
STFPB-V-R
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Sasaki Electric
STL140/4-5.0-H-BLACK
STL140/4-5.0-H-BLACK
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Ptr Hartmann
STMA123Y1
STMA123Y1
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Surge Suppression Inc
STN-L4355F
STN-L4355F
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Samsung
SU2G1
SU2G1
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Ametek
SUE15A-SS
SUE15A-SS
Limited Stock
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Spraymation
SUP-J30H-ER-4
SUP-J30H-ER-4
Limited Stock
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Okaya
SV 9672.328
SV 9672.328
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Rittal
SV-9340.660
SV-9340.660
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Rittal
SV-CAP
SV-CAP
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Arecont Vision
SV06733-1
SV06733-1
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Broan Nutone
SWP5241
SWP5241
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Mono Systems
SY-540/PO50/110VAC
SY-540/PO50/110VAC
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Maschinen Kontroll

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.