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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.
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Part Number
PRICE
Manufacturer
A02E62
A02E62
In Stock
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ITE
A02JLDLV
A02JLDLV
In Stock
From
$74.73
Siemens
AC1NOR9
AC1NOR9
In Stock
From
$20.00
Eaton
685656
685656
In Stock
From
$0.22
Merlin Gerin
4979D06G01
4979D06G01
In Stock
From
$313.76
Westinghouse
A01F64
A01F64
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Siemens
A02HCPL2
A02HCPL2
In Stock
From
$36.19
Siemens
RA01EE0L3
RA01EE0L3
In Stock
From
$526.13
Miami Breaker
SPAS240AB8DR
SPAS240AB8DR
In Stock
From
$671.83
General Electric
1221C76G33
1221C76G33
In Stock
From
$62.44
Eaton
AUX1A1BPKL48
AUX1A1BPKL48
In Stock
From
$2.22
Eaton
E/A2X5RPK
E/A2X5RPK
In Stock
From
$230.20
Eaton
GV3A07
GV3A07
In Stock
From
$20.12
Square D
SPBAUXC164
SPBAUXC164
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Eaton
SPBAUXC304
SPBAUXC304
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Eaton
TPAS2AB
TPAS2AB
In Stock
From
$1.84
General Electric
1A1B AUX SW
1A1B AUX SW
In Stock
From
$100.00
Eaton
AX12ND44
AX12ND44
In Stock
From
$152.22
Noark
NA11286
NA11286
In Stock
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Square D
PDGXNN
PDGXNN
In Stock
From
$3.22
Eaton
50502-602-31
50502-602-31
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Monster Controls
KAX5A11
KAX5A11
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Siemens
223P429H01
223P429H01
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Westinghouse
S29345
S29345
Limited Stock
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Square D

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.