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Auxiliary

For circuit breaker systems in power distribution and control applications, auxiliaries are among the most essential components for providing additional switching contacts and control functionality. Auxiliary circuit breakers provide supplementary contacts that enable remote monitoring, status indication, and control integration with other electrical systems and automation equipment. Electrical.com carries an extensive selection of auxiliary circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of industrial control panels, building automation systems, power distribution equipment, and process control applications.
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Part Number
PRICE
Manufacturer
AUX1A1BPKL48
AUX1A1BPKL48
In Stock
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$2.22
Eaton
SPBAUXC164
SPBAUXC164
In Stock
From
$0.02
Eaton
SPBAUXC304
SPBAUXC304
In Stock
From
$0.02
Eaton
A1X1RPKFDE
A1X1RPKFDE
Limited Stock
From
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Cutler Hammer
A3X3RPK
A3X3RPK
Limited Stock
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Cutler Hammer
AA214LPK
AA214LPK
Limited Stock
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Cutler Hammer
MAAL1LPK
MAAL1LPK
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Cutler Hammer
PDGXUC
PDGXUC
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Cutler Hammer
PDGXXA
PDGXXA
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Cutler Hammer
A2X1LTK
A2X1LTK
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Cutler Hammer
A2X5LTK
A2X5LTK
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Cutler Hammer
A3X3LTK
A3X3LTK
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Cutler Hammer
A3X4PK
A3X4PK
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Cutler Hammer
A3X5RTK
A3X5RTK
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Cutler Hammer
AA114LPK
AA114LPK
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Cutler Hammer
AA114LTK
AA114LTK
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Cutler Hammer
AA114RTK
AA114RTK
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Cutler Hammer
AA115RTK
AA115RTK
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Cutler Hammer
AA215RTK
AA215RTK
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Cutler Hammer
AAL2LTK
AAL2LTK
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Cutler Hammer
AAL2RTK
AAL2RTK
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Cutler Hammer
AAL3LTK
AAL3LTK
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Cutler Hammer
AAL3RTK
AAL3RTK
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Cutler Hammer
MAAL1LTK
MAAL1LTK
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Cutler Hammer

Electrical.com stocks the largest inventory of auxiliary circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit breaker components available for immediate shipment. From auxiliary contacts to trip units and accessory modules, we have what you need when others say no. Our comprehensive auxiliary circuit breaker inventory spans all configurations and ratings 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 auxiliary circuit breakers serve critical applications across power distribution systems, industrial control panels, switchgear installations, motor control centers, electrical substations, manufacturing facilities, and commercial building electrical systems.


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