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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
AA314RPK
AA314RPK
In Stock
From
$572.34
Cutler Hammer
E1X1PK
E1X1PK
In Stock
From
$177.25
Cutler Hammer
2600D97G08
2600D97G08
In Stock
From
$104.25
Cutler Hammer
2609D45G03
2609D45G03
In Stock
From
$149.63
Cutler Hammer
458D013G05
458D013G05
In Stock
From
$1,057.33
Cutler Hammer
458D013G06
458D013G06
In Stock
From
$762.18
Cutler Hammer
458D013G13
458D013G13
In Stock
From
$770.95
Cutler Hammer
SPBAUX164
SPBAUX164
In Stock
From
$1,838.18
Cutler Hammer
PDG5X1AC
PDG5X1AC
In Stock
From
$423.00
Eaton
PDGXAC
PDGXAC
In Stock
From
$320.75
Eaton
PDGXDC
PDGXDC
In Stock
From
$218.22
Eaton
PDGXXB
PDGXXB
In Stock
From
$74.15
Cutler Hammer
458D067G03
458D067G03
In Stock
From
$558.56
Cutler Hammer
4979D06G09
4979D06G09
In Stock
From
$276.85
Westinghouse
656D527G01
656D527G01
In Stock
From
$333.76
Cutler Hammer
A1X1RA
A1X1RA
In Stock
From
$192.69
Cutler Hammer
A1X1RB
A1X1RB
In Stock
From
$11.04
Cutler Hammer
A2X5RPK
A2X5RPK
Limited Stock
From
Get Price
Cutler Hammer
SPBAUX304
SPBAUX304
In Stock
From
$1,345.31
Cutler Hammer
A2X5LPK
A2X5LPK
In Stock
From
$182.23
Cutler Hammer
XTPAXSA21
XTPAXSA21
In Stock
From
$46.76
Eaton
SPBAUX402
SPBAUX402
In Stock
From
$1,345.31
Cutler Hammer
1288C74G04
1288C74G04
In Stock
From
$142.88
Eaton
1221C76G33
1221C76G33
In Stock
From
$56.20
Eaton

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.