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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
3RV1901-1A
3RV1901-1A
In Stock
From
$49.34
Siemens
458D013G12
458D013G12
In Stock
From
$85.49
Cutler Hammer
A9A26927
A9A26927
In Stock
From
$38.83
Schneider Electric
A9N26924
A9N26924
Limited Stock
From
Get Price
Schneider Electric
FA11212
FA11212
In Stock
From
$211.12
Square D
HA165678
HA165678
In Stock
From
$470.06
Siemens
KA11352
KA11352
In Stock
From
$35.14
Square D
KXTAAXCDQSYFP
KXTAAXCDQSYFP
In Stock
From
$360.62
ABB
LC11286
LC11286
In Stock
From
$129.25
Square D
LC11352
LC11352
In Stock
From
$647.02
Square D
NA11212
NA11212
In Stock
From
$235.57
Square D
PA11352
PA11352
In Stock
From
$324.29
Square D
SBAS4
SBAS4
In Stock
From
$466.76
Siemens
SPAS240AB4
SPAS240AB4
In Stock
From
$938.31
General Electric
SPAS240AB8
SPAS240AB8
In Stock
From
$1,165.14
General Electric
TFKASA2AB1
TFKASA2AB1
In Stock
From
$111.17
General Electric
KXTAAUX
KXTAAUX
In Stock
From
$48.11
ABB
LA11364
LA11364
In Stock
From
$188.84
Square D
PDG6X2AC
PDG6X2AC
In Stock
From
$235.20
Cutler Hammer
S47042
S47042
In Stock
From
$89.60
Square D
1372D35G06
1372D35G06
In Stock
From
$541.75
Cutler Hammer
2602D32G12
2602D32G12
In Stock
From
$1,475.66
Cutler Hammer
2602D32G15
2602D32G15
In Stock
From
$1,359.45
Cutler Hammer
36405
36405
In Stock
From
$194.84
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.