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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
MA11286
MA11286
In Stock
From
$134.13
Square D
MA11352
MA11352
In Stock
From
$128.98
Square D
SAUXGAB1
SAUXGAB1
In Stock
From
$105.35
General Electric
TEDAS2AB1
TEDAS2AB1
In Stock
From
$95.61
General Electric
TEDAS2AB1L
TEDAS2AB1L
In Stock
From
$121.26
General Electric
TJKASA2AB1R
TJKASA2AB1R
In Stock
From
$119.18
General Electric
TJKASA2AB4L
TJKASA2AB4L
In Stock
From
$578.44
General Electric
TJKASA6AB1L
TJKASA6AB1L
In Stock
From
$181.02
General Electric
TJKASA6AB2L
TJKASA6AB2L
In Stock
From
$208.57
General Electric
TKMAAS6AB2
TKMAAS6AB2
In Stock
From
$230.73
General Electric
656D527G09
656D527G09
In Stock
From
$132.68
Cutler Hammer
700038K01
700038K01
In Stock
From
$124.17
ABB
A01ED64B
A01ED64B
In Stock
From
$191.30
Siemens
K5AS
K5AS
In Stock
From
$160.42
Asea Brown Boveri
140G-G-EA1R1A
140G-G-EA1R1A
In Stock
From
$190.37
Allen-Bradley
140U-H-EA1
140U-H-EA1
In Stock
From
$43.37
Allen-Bradley
140U-J-EA1R1
140U-J-EA1R1
In Stock
From
$342.14
Allen-Bradley
330-STA22S25
330-STA22S25
In Stock
From
$34.91
C3 Controls
3VL9400-2AB00
3VL9400-2AB00
In Stock
From
$59.39
Siemens
3VL9800-2AC00
3VL9800-2AC00
In Stock
From
$193.92
Siemens
A1X5RPK
A1X5RPK
In Stock
From
$98.09
Cutler Hammer
A9A26924
A9A26924
In Stock
From
$44.74
Schneider Electric
A9A26929
A9A26929
In Stock
From
$48.22
Schneider Electric
LA11352
LA11352
In Stock
From
$311.45
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.