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
TSAS6AB6
TSAS6AB6
Limited Stock
From
Get Price
General Electric
TSAS6AB6S
TSAS6AB6S
Limited Stock
From
Get Price
General Electric
TSAS6AB7S
TSAS6AB7S
Limited Stock
From
Get Price
General Electric
TSAS6AB8S
TSAS6AB8S
Limited Stock
From
Get Price
General Electric
TSAS6AB9S
TSAS6AB9S
Limited Stock
From
Get Price
General Electric
TSASAB5
TSASAB5
Limited Stock
From
Get Price
General Electric
TSASAB6
TSASAB6
Limited Stock
From
Get Price
General Electric
140G-K-EA2B
140G-K-EA2B
Limited Stock
From
Get Price
Allen-Bradley
140U-K-EA1R1
140U-K-EA1R1
Limited Stock
From
Get Price
Allen-Bradley
140U-M-EA1
140U-M-EA1
Limited Stock
From
Get Price
Allen-Bradley
140U-M-EA1R1
140U-M-EA1R1
Limited Stock
From
Get Price
Allen-Bradley
140U-M-EA2
140U-M-EA2
Limited Stock
From
Get Price
Allen-Bradley
140U-N-EA1
140U-N-EA1
Limited Stock
From
Get Price
Allen-Bradley
140U-N-EA1R1
140U-N-EA1R1
Limited Stock
From
Get Price
Allen-Bradley
140U-N-EA2
140U-N-EA2
Limited Stock
From
Get Price
Allen-Bradley
3VA9478-0CX10
3VA9478-0CX10
Limited Stock
From
Get Price
Siemens
3VA9478-0CX20
3VA9478-0CX20
Limited Stock
From
Get Price
Siemens
3VA9978-0AA22
3VA9978-0AA22
Limited Stock
From
Get Price
Siemens
449D622A01
449D622A01
Limited Stock
From
Get Price
Westinghouse
6649C95G02
6649C95G02
Limited Stock
From
Get Price
Cutler Hammer
6649C95G08
6649C95G08
Limited Stock
From
Get Price
Cutler Hammer
LV426951
LV426951
Limited Stock
From
Get Price
Square D
SPAS600AB12
SPAS600AB12
Limited Stock
From
Get Price
General Electric
TPAS2AB10S
TPAS2AB10S
Limited Stock
From
Get Price
General Electric

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.