1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Auxiliary

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
$234.47
Siemens
A01ED64
A01ED64
In Stock
From
$207.60
Siemens
A01FD64
A01FD64
In Stock
From
$221.49
Siemens
A01MN64
A01MN64
In Stock
From
$154.36
Siemens
A02ED62
A02ED62
In Stock
From
$189.00
Siemens
A02MN64
A02MN64
In Stock
From
$185.73
Siemens
HA161234
HA161234
In Stock
From
$211.28
Siemens
A02FD62
A02FD62
In Stock
From
$136.24
Siemens
A01FD62
A01FD62
In Stock
From
$190.76
Siemens
A01JLD64
A01JLD64
In Stock
From
$358.10
Siemens
A02FD64
A02FD64
In Stock
From
$376.51
Siemens
A02JLD64
A02JLD64
In Stock
From
$169.67
Siemens
ASKP4
ASKP4
In Stock
From
$599.86
Siemens
A01ED64B
A01ED64B
In Stock
From
$191.30
Siemens
3VL9400-2AB00
3VL9400-2AB00
Limited Stock
From
Get Price
Siemens
SBAS4
SBAS4
In Stock
From
$466.76
Siemens
ASKE2
ASKE2
In Stock
From
$313.34
Siemens
ASKE3
ASKE3
In Stock
From
$629.22
Siemens
CQDA1
CQDA1
In Stock
From
$183.62
Siemens
CQDA2
CQDA2
In Stock
From
$112.27
Siemens
HA261234
HA261234
In Stock
From
$315.72
Siemens
3RV1901-1A
3RV1901-1A
In Stock
From
$53.89
Siemens
3VL9800-2AC00
3VL9800-2AC00
In Stock
From
$193.92
Siemens
HA165678
HA165678
In Stock
From
$485.46
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.