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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
AA115LPK
AA115LPK
In Stock
From
$243.88
Cutler Hammer
AUX1A1BPK
AUX1A1BPK
In Stock
From
$338.63
Eaton
HA161234
HA161234
In Stock
From
$199.15
Siemens
MAAL1RPK
MAAL1RPK
In Stock
From
$570.16
Cutler Hammer
SAUXGAB2
SAUXGAB2
In Stock
From
$136.99
General Electric
TKMAAS2AB1
TKMAAS2AB1
In Stock
From
$101.39
General Electric
1371D72G03
1371D72G03
In Stock
From
$273.94
Cutler Hammer
1372D35G03
1372D35G03
In Stock
From
$552.71
Cutler Hammer
29450
29450
In Stock
From
$40.91
Weidmuller
A01ED62B
A01ED62B
In Stock
From
$294.00
ITE
A01FD64
A01FD64
In Stock
From
$141.42
Siemens
A02FD62
A02FD62
In Stock
From
$136.93
Siemens
A02MN64
A02MN64
In Stock
From
$195.51
Siemens
A1X5PK
A1X5PK
In Stock
From
$140.12
Cutler Hammer
K7AS
K7AS
In Stock
From
$710.28
ABB
S29482-2
S29482-2
In Stock
From
$86.57
Schneider Electric
TEDAS2AB2R
TEDAS2AB2R
In Stock
From
$231.26
General Electric
LA11212
LA11212
In Stock
From
$292.56
Square D
LC11212
LC11212
In Stock
From
$293.07
Square D
S48468
S48468
In Stock
From
$542.44
Square D
SPAS240AB4R
SPAS240AB4R
In Stock
From
$1,096.31
General Electric
1493D44G02
1493D44G02
In Stock
From
$128.53
Cutler Hammer
29451
29451
In Stock
From
$19.88
Schneider Electric
55754
55754
In Stock
From
$99.41
Merlin Gerin

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.