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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.
SORT BY
Part Number
PRICE
Manufacturer
A01ED62
A01ED62
In Stock
From
$251.55
Siemens
A1X4PK
A1X4PK
In Stock
From
$128.29
Eaton
A2X1RPK
A2X1RPK
In Stock
From
$142.70
Eaton
A2X6RPK
A2X6RPK
In Stock
From
$517.76
Eaton
S29450
S29450
In Stock
From
$76.40
Square D
SAUXPAB1
SAUXPAB1
In Stock
From
$109.20
General Electric
SAUXPAB2
SAUXPAB2
In Stock
From
$135.69
General Electric
TEDAS2AB1R
TEDAS2AB1R
In Stock
From
$102.35
General Electric
MAUX2
MAUX2
In Stock
From
$747.84
Cutler Hammer
SAUXGPAB2
SAUXGPAB2
In Stock
From
$395.88
General Electric
4979D06G03
4979D06G03
In Stock
From
$529.29
Westinghouse
A01ED64
A01ED64
In Stock
From
$195.69
Siemens
A01MN64
A01MN64
In Stock
From
$151.90
Siemens
A02ED62
A02ED62
In Stock
From
$189.00
Siemens
A1X2LTK
A1X2LTK
In Stock
From
$427.10
Cutler Hammer
A1X2PK
A1X2PK
In Stock
From
$121.43
Eaton
A1X3PK
A1X3PK
In Stock
From
$116.23
Eaton
A2X1LPK
A2X1LPK
In Stock
From
$256.10
Eaton
A2X3PK
A2X3PK
In Stock
From
$192.02
Eaton
TEDAS2AB2L
TEDAS2AB2L
In Stock
From
$234.78
General Electric
A2X2LTK
A2X2LTK
In Stock
From
$293.23
Cutler Hammer
A2X4LTK
A2X4LTK
In Stock
From
$449.55
Eaton
A2X4PK
A2X4PK
In Stock
From
$293.48
Eaton
AA114RPK
AA114RPK
In Stock
From
$336.78
Eaton

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.