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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
TFKASA2AB2LB
TFKASA2AB2LB
In Stock
From
$68.44
General Electric
TFKASA2AB2LS
TFKASA2AB2LS
In Stock
From
$254.74
General Electric
TFKASA2AB2RB
TFKASA2AB2RB
In Stock
From
$176.45
General Electric
TFKASA2AB2RS
TFKASA2AB2RS
In Stock
From
$182.91
General Electric
TFKASA2AB4
TFKASA2AB4
In Stock
From
$261.50
General Electric
TFKASA2AB4LB
TFKASA2AB4LB
In Stock
From
$175.62
General Electric
TFKASA2AB4LS
TFKASA2AB4LS
In Stock
From
$175.92
General Electric
TFKASA6AB2
TFKASA6AB2
In Stock
From
$337.69
General Electric
TFLASA6AB2
TFLASA6AB2
In Stock
From
$576.85
General Electric
TQCAS2A1
TQCAS2A1
In Stock
From
$78.42
General Electric
TQDAS2AB1R
TQDAS2AB1R
In Stock
From
$46.25
General Electric
A01EE0L3
A01EE0L3
In Stock
From
$0.02
Gould
A01QJ0R3
A01QJ0R3
In Stock
From
$145.79
Siemens
A01QR2
A01QR2
In Stock
From
$258.99
Siemens
A02QJ0R3
A02QJ0R3
In Stock
From
$171.18
Siemens
A2X5LPK
A2X5LPK
In Stock
From
$163.18
Cutler Hammer
AS-5
AS-5
In Stock
From
$28.34
ABB
26928
26928
In Stock
From
$16.13
Merlin Gerin
XTPAXSA21
XTPAXSA21
In Stock
From
$51.22
Eaton
140G-G-EA1AU
140G-G-EA1AU
In Stock
From
$112.95
Allen-Bradley
AX21N
AX21N
In Stock
From
$178.08
Noark Electric
SPBAUX402
SPBAUX402
In Stock
From
$1,345.31
Cutler Hammer
A01F62
A01F62
In Stock
From
$5.71
Siemens
A01KM0R0
A01KM0R0
In Stock
From
Get Price
Siemens

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.