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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
PRICE
Manufacturer
M39029/5-115
M39029/5-115
In Stock
From
$1.01
Amphenol
M4 32 VK3
M4 32 VK3
In Stock
From
$10.49
Benedikt & Jager
MA1DN01
MA1DN01
In Stock
From
$13.55
Mcg Industrial
MA1DN10
MA1DN10
In Stock
From
$9.94
Mcg Industrial
MA1DN20
MA1DN20
In Stock
From
$4.77
Mcg Industrial
MA1DN31
MA1DN31
In Stock
From
$7.24
Mcg Industrial
MA278
MA278
In Stock
From
$42.62
Allen-Bradley
MA8DN20
MA8DN20
In Stock
From
$15.05
Mcg Industrial
MARD220AT
MARD220AT
In Stock
From
$10.87
General Electric
MARF440AT
MARF440AT
Limited Stock
From
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General Electric
MB7
MB7
In Stock
From
$46.74
Iskra
MBOAC
MBOAC
In Stock
From
$25.44
General Electric
MBOAJ
MBOAJ
In Stock
From
$27.30
General Electric
MC-9-DC24
MC-9-DC24
In Stock
From
$5.02
LS Electric
MC15CWM
MC15CWM
Limited Stock
From
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Eaton
MC15KWK
MC15KWK
Limited Stock
From
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Eaton
MC320KA2
MC320KA2
Limited Stock
From
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Eaton
MC320KAS10
MC320KAS10
Limited Stock
From
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Eaton
MC320KB1
MC320KB1
Limited Stock
From
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Eaton
MC320KB11
MC320KB11
Limited Stock
From
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Eaton
MC320KE02
MC320KE02
In Stock
From
$32.74
Eaton
MC320KE40
MC320KE40
Limited Stock
From
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Eaton
MCB-10BG
MCB-10BG
In Stock
From
$18.49
ABB
MCBH-00-OS
MCBH-00-OS
In Stock
From
$3.72
ABB

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.