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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
29451
29451
In Stock
From
$19.88
Schneider Electric
55754
55754
In Stock
From
$99.41
Merlin Gerin
36402
36402
In Stock
From
$571.05
Merlin Gerin
36404
36404
In Stock
From
$149.65
Merlin Gerin
37401
37401
In Stock
From
$93.17
Merlin Gerin
38401
38401
In Stock
From
$0.64
Merlin Gerin
46963
46963
Limited Stock
From
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Schneider Electric
36405
36405
In Stock
From
$194.84
Merlin Gerin
37402
37402
In Stock
From
$413.94
Merlin Gerin
44900
44900
In Stock
From
$49.25
Merlin Gerin
47915
47915
In Stock
From
$123.13
Merlin Gerin
CAO-OF
CAO-OF
In Stock
From
$94.00
Merlin Gerin
EZAUX10
EZAUX10
In Stock
From
$17.78
Merlin Gerin
685725
685725
In Stock
From
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Merlin Gerin
26928
26928
In Stock
From
$16.13
Merlin Gerin
685656
685656
In Stock
From
$0.22
Merlin Gerin
44901
44901
Limited Stock
From
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Merlin Gerin
29452
29452
Limited Stock
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Schneider Electric
46964
46964
Limited Stock
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Schneider Electric
55542
55542
Limited Stock
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Merlin Gerin
55755
55755
Limited Stock
From
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Schneider Electric
46962
46962
Limited Stock
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Schneider Electric
55541
55541
Limited Stock
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Schneider Electric
29450-AA
29450-AA
Limited Stock
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Merlin Gerin

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.