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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
A2X3PK
A2X3PK
In Stock
From
$192.02
Eaton
K7AS
K7AS
In Stock
From
$564.53
ABB
TEDAS2AB2L
TEDAS2AB2L
In Stock
From
$234.78
General Electric
A01FD62
A01FD62
In Stock
From
$208.44
Siemens
A01JLD64
A01JLD64
In Stock
From
$368.33
Siemens
A02FD64
A02FD64
In Stock
From
$376.51
Siemens
A02JLD64
A02JLD64
In Stock
From
$169.67
Siemens
A1X1RPKFDE
A1X1RPKFDE
In Stock
From
$231.91
Cutler Hammer
A2X2LTK
A2X2LTK
In Stock
From
$276.40
Cutler Hammer
A2X2PK
A2X2PK
In Stock
From
$136.31
Eaton
A2X4LTK
A2X4LTK
In Stock
From
$469.38
Eaton
A2X4PK
A2X4PK
In Stock
From
$293.48
Eaton
A3X5LPK
A3X5LPK
In Stock
From
$475.25
Cutler Hammer
AA114RPK
AA114RPK
In Stock
From
$280.68
Eaton
AAL1RTK
AAL1RTK
In Stock
From
$419.09
Eaton
AAL2LPK
AAL2LPK
In Stock
From
$321.69
Cutler Hammer
AAL3LPK
AAL3LPK
In Stock
From
$465.96
Eaton
AAL3RPK
AAL3RPK
In Stock
From
$241.57
Cutler Hammer
AUX1A1BPK
AUX1A1BPK
In Stock
From
$339.61
Eaton
AUX2A2BPK
AUX2A2BPK
In Stock
From
$338.00
Cutler Hammer
FAS10RW
FAS10RW
In Stock
From
$48.84
General Electric
KT3AS
KT3AS
In Stock
From
$134.20
ABB
MA11286
MA11286
In Stock
From
$112.95
Square D
MA11352
MA11352
In Stock
From
$128.97
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.