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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
TKMAAS2AB4RS
TKMAAS2AB4RS
In Stock
From
$290.29
General Electric
TKMAAS6AB1
TKMAAS6AB1
In Stock
From
$165.72
General Electric
TKMAAS6AB1L
TKMAAS6AB1L
In Stock
From
$235.53
General Electric
TKMAAS6AB1R
TKMAAS6AB1R
In Stock
From
$132.97
General Electric
TKMAAS6AB3
TKMAAS6AB3
In Stock
From
$328.32
General Electric
TKMAAS6AB3R
TKMAAS6AB3R
In Stock
From
$265.48
General Electric
TKMAAS6AB4
TKMAAS6AB4
In Stock
From
$582.49
General Electric
TKMAAS6AB4R
TKMAAS6AB4R
In Stock
From
$387.60
General Electric
BC25
BC25
In Stock
From
$11.27
ABB
1372D49G03
1372D49G03
In Stock
From
$11.11
Westinghouse
140G-K-EA3R1J
140G-K-EA3R1J
In Stock
From
$629.10
Allen-Bradley
140U-I-EA1L
140U-I-EA1L
In Stock
From
$15.26
Allen-Bradley
685725
685725
In Stock
From
Get Price
Merlin Gerin
FC11352
FC11352
In Stock
From
$80.72
Square D
KC11212
KC11212
In Stock
From
$178.82
Square D
KC11352
KC11352
In Stock
From
$59.41
Square D
KXT7AUX2S52
KXT7AUX2S52
In Stock
From
$100.80
ABB
KXTDAXCD3QSYFP
KXTDAXCD3QSYFP
In Stock
From
$272.91
ABB
PDGXDC
PDGXDC
In Stock
From
$219.70
Eaton
SPBAUX304
SPBAUX304
In Stock
From
$1,345.31
Cutler Hammer
TFKASA2AB1LB
TFKASA2AB1LB
In Stock
From
$331.53
General Electric
TFKASA2AB1LS
TFKASA2AB1LS
In Stock
From
$173.12
General Electric
TFKASA2AB1RB
TFKASA2AB1RB
In Stock
From
$177.10
General Electric
TFKASA2AB1RS
TFKASA2AB1RS
In Stock
From
$176.81
General Electric

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.