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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
4979D06G03
4979D06G03
In Stock
From
$529.29
Westinghouse
4979D06G08
4979D06G08
In Stock
From
$269.96
Westinghouse
179C368G24
179C368G24
In Stock
From
$2,575.08
Cutler Hammer
SPBAUX162
SPBAUX162
In Stock
From
$192.37
Westinghouse
4979D06G09
4979D06G09
In Stock
From
$276.85
Westinghouse
1372D49G03
1372D49G03
In Stock
From
$9.00
Westinghouse
4979D06G01
4979D06G01
In Stock
From
$282.38
Westinghouse
SPBAUXC164
SPBAUXC164
In Stock
From
$0.02
Eaton
SPBAUXC304
SPBAUXC304
In Stock
From
$0.02
Eaton
223P429H01
223P429H01
In Stock
From
Get Price
Westinghouse
14B7132G06
14B7132G06
Limited Stock
From
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Westinghouse
18B1225G09
18B1225G09
Limited Stock
From
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Westinghouse
1372D35G18
1372D35G18
Limited Stock
From
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Westinghouse
1369D79G03
1369D79G03
Limited Stock
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Eaton
13B4492G06
13B4492G06
Limited Stock
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Westinghouse
13B4492G07
13B4492G07
Limited Stock
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Westinghouse
14B7132G07
14B7132G07
Limited Stock
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Westinghouse
20B8346G07
20B8346G07
Limited Stock
From
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Westinghouse
20B8346G08
20B8346G08
Limited Stock
From
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Westinghouse
20B8346G09
20B8346G09
Limited Stock
From
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Westinghouse
229P293H01
229P293H01
Limited Stock
From
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Westinghouse
449D622A01
449D622A01
Limited Stock
From
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Westinghouse
1372D49G06
1372D49G06
Limited Stock
From
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Westinghouse
229P273H01
229P273H01
Limited Stock
From
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Westinghouse

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.