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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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AAL1LA
AAL1LA
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Cutler Hammer
AAL1LB
AAL1LB
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AAL1LT
AAL1LT
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AAL1RA
AAL1RA
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AAL1RB
AAL1RB
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Cutler Hammer
AAL1RT
AAL1RT
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Cutler Hammer
6649C95G02
6649C95G02
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6649C95G08
6649C95G08
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Cutler Hammer
1371D39G03
1371D39G03
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Eaton
1371D95G04
1371D95G04
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Cutler Hammer
1371D95G10
1371D95G10
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Cutler Hammer
1372D35G04
1372D35G04
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Cutler Hammer
1372D39G06
1372D39G06
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Cutler Hammer
1372D95G04
1372D95G04
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Cutler Hammer
A1X1LA
A1X1LA
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Cutler Hammer
A1X1LC
A1X1LC
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Cutler Hammer
A1X1LT
A1X1LT
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Cutler Hammer
A1X1RC
A1X1RC
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Cutler Hammer
A1X1RT
A1X1RT
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Cutler Hammer
A2X1LA
A2X1LA
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Cutler Hammer
A2X1LT
A2X1LT
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Cutler Hammer
A2X1RA
A2X1RA
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Cutler Hammer
A2X1RB
A2X1RB
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Cutler Hammer
A2X1RT
A2X1RT
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Cutler Hammer

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.