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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
S29450
S29450
In Stock
From
$76.40
Square D
S29482-2
S29482-2
In Stock
From
$86.57
Schneider Electric
LA11212
LA11212
In Stock
From
$292.56
Square D
LC11212
LC11212
In Stock
From
$293.07
Square D
S48468
S48468
In Stock
From
$542.44
Square D
MA11212
MA11212
In Stock
From
$190.04
Square D
MA11286
MA11286
In Stock
From
$134.13
Square D
MA11352
MA11352
In Stock
From
$128.98
Square D
LA11352
LA11352
In Stock
From
$311.45
Square D
LV426950
LV426950
In Stock
From
$229.27
Square D
S48469
S48469
In Stock
From
$299.35
Square D
MA11284
MA11284
In Stock
From
$61.25
Square D
MA11364
MA11364
In Stock
From
$1,061.23
Square D
S29346
S29346
In Stock
From
$22.28
Schneider Electric
S34DCB2
S34DCB2
In Stock
From
$468.99
Square D
FA11212
FA11212
In Stock
From
$211.12
Square D
KA11352
KA11352
In Stock
From
$35.14
Square D
LC11286
LC11286
In Stock
From
$129.25
Square D
LC11352
LC11352
In Stock
From
$647.02
Square D
NA11212
NA11212
In Stock
From
$235.57
Square D
PA11352
PA11352
In Stock
From
$324.29
Square D
LA11364
LA11364
In Stock
From
$188.84
Square D
S47042
S47042
In Stock
From
$89.60
Square D
S34AC2
S34AC2
In Stock
From
$727.34
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.