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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
XTPAXSA21
XTPAXSA21
In Stock
From
$51.22
Eaton
AC1NOR9
AC1NOR9
In Stock
From
$20.00
Eaton
4979D06G01
4979D06G01
In Stock
From
$313.76
Westinghouse
1221C76G33
1221C76G33
In Stock
From
$62.44
Eaton
AUX1A1BPKL48
AUX1A1BPKL48
In Stock
From
$2.22
Eaton
E/A2X5RPK
E/A2X5RPK
In Stock
From
$230.20
Eaton
SPBAUXC164
SPBAUXC164
In Stock
From
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Eaton
SPBAUXC304
SPBAUXC304
In Stock
From
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Eaton
1A1B AUX SW
1A1B AUX SW
In Stock
From
$100.00
Eaton
PDGXNN
PDGXNN
In Stock
From
$3.22
Eaton
223P429H01
223P429H01
In Stock
From
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Westinghouse
PDGXXA
PDGXXA
Limited Stock
From
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Cutler Hammer
PDG5XL1AC1BC
PDG5XL1AC1BC
Limited Stock
From
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Cutler Hammer
PDG5XL1AC2BC
PDG5XL1AC2BC
Limited Stock
From
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Cutler Hammer
PDG5XL2AC1BC
PDG5XL2AC1BC
Limited Stock
From
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Cutler Hammer
PDG5XR1AC1BC
PDG5XR1AC1BC
Limited Stock
From
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Eaton
PDG5XR1AC2BC
PDG5XR1AC2BC
Limited Stock
From
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Cutler Hammer
PDG5XR2AC1BC
PDG5XR2AC1BC
Limited Stock
From
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Cutler Hammer
PDG5XRC1AC
PDG5XRC1AC
Limited Stock
From
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Eaton
PDG5XRC1AC1BC
PDG5XRC1AC1BC
Limited Stock
From
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Cutler Hammer
PDG5XRC2AC
PDG5XRC2AC
Limited Stock
From
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Eaton
PDG5XRCBSM
PDG5XRCBSM
Limited Stock
From
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Cutler Hammer
PDGXUA
PDGXUA
Limited Stock
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Eaton
PDGXUC
PDGXUC
Limited Stock
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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.