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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
S34DCT2
S34DCT2
In Stock
From
$204.14
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S38AC2
S38AC2
In Stock
From
$1,454.67
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FC11212
FC11212
In Stock
From
$51.74
Square D
KA11212
KA11212
In Stock
From
$144.78
Square D
LA11284
LA11284
In Stock
From
$250.06
Square D
LA11286
LA11286
In Stock
From
$429.55
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LA11289
LA11289
In Stock
From
$100.81
Square D
LC11364
LC11364
In Stock
From
$646.87
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PA11212
PA11212
In Stock
From
$183.97
Square D
PA11286
PA11286
In Stock
From
$283.47
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PA11364
PA11364
In Stock
From
$254.66
Square D
S48470
S48470
In Stock
From
$76.34
Square D
FC11352
FC11352
In Stock
From
$100.90
Square D
KC11212
KC11212
In Stock
From
$223.53
Square D
KC11352
KC11352
In Stock
From
$74.26
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NA11352
NA11352
In Stock
From
$87.41
Square D
GV3A07
GV3A07
In Stock
From
$20.12
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NA11286
NA11286
In Stock
From
$0.02
Square D
S29345
S29345
Limited Stock
From
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Square D
S29450-2
S29450-2
Limited Stock
From
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Square D
S29482
S29482
Limited Stock
From
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Square D
54525
54525
Limited Stock
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S47342
S47342
Limited Stock
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Square D
S48198
S48198
Limited Stock
From
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Square D

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.