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Contactor and Motor Starter Auxiliaries

For motor control systems in industrial and commercial facilities, contactor and motor starter auxiliaries are among the most essential components for reliable motor operation and system integration. These auxiliary components provide additional switching contacts, status indication, and control functionality that enhance the capabilities of contactors and motor starters. Electrical.com carries an extensive selection of contactor and motor starter auxiliaries from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of manufacturing automation, HVAC systems, material handling equipment, and industrial process control applications.
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Part Number
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Manufacturer
9007DO15
9007DO15
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$52.74
140M-C-A
140M-C-A
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105X300P
105X300P
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$43.45
484B506H01
484B506H01
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Westinghouse
55-650355
55-650355
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$41.20
55B532928G44A
55B532928G44A
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General Electric
CDM4001AS
CDM4001AS
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Siemens
999CLM1
999CLM1
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$0.02
Square D
N04NES3X3N+N05NEXRP3A
N04NES3X3N+N05NEXRP3A
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Eaton
N04NES4X3N+N05NEXRP3A
N04NES4X3N+N05NEXRP3A
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Eaton
NZM2-XDVGR
NZM2-XDVGR
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Eaton
LADN31C
LADN31C
Limited Stock
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Telemecanique
3RH5921-1FA22
3RH5921-1FA22
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Siemens
LADN22C
LADN22C
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Telemecanique
LADN40C
LADN40C
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Telemecanique
3RH1921-1KA02
3RH1921-1KA02
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Siemens
3RH1921-2HA31
3RH1921-2HA31
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Siemens
3RT1916-2EC11
3RT1916-2EC11
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Siemens
3RT1916-2FK21
3RT1916-2FK21
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Siemens
3RT1916-2FK31
3RT1916-2FK31
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Siemens
3RT1926-2ED21
3RT1926-2ED21
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Siemens
3RT1926-2EJ31
3RT1926-2EJ31
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Siemens
3RT1926-2FK21
3RT1926-2FK21
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Siemens
3RT1926-2GD51
3RT1926-2GD51
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Siemens

Electrical.com stocks the largest inventory of contactor and motor starter auxiliaries in the world, with over 1 million square feet of new, used, surplus, and re-certified motor control components available for immediate shipment. From auxiliary contact blocks to timing modules and coil accessories, we have what you need when others say no. Our comprehensive contactor and motor starter auxiliary 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 contactor and motor starter auxiliaries serve critical applications across industrial motor control systems, manufacturing automation equipment, HVAC control systems, material handling operations, conveyor systems, pump and compressor controls, process automation installations, and commercial building mechanical systems.


Whether you're maintaining legacy equipment with obsolete auxiliary components or sourcing current production parts for new motor control installations, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need contactor and motor starter auxiliaries 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.