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AC contactors are essential components in HVAC systems, available in different types and configurations to ensure proper compatibility and reliable operation across various AC units.
-13%Siemens Industrial Controls 3RT2017-1AK61 Power Contactor 12A 1N/O 120 VAC S00Special Price $101.48 Regular Price $116.70
-13%Siemens Industrial Controls 3RT2017-1AK62 Power Contactor 12A 120V/60HzSpecial Price $101.48 Regular Price $116.70Out of stock
-23%Supco DP30241 1-1/2 Pole Definite Purpose Contactor 30 Amp 24VSpecial Price $17.11 Regular Price $22.24
-13%Siemens Industrial Controls 3RT2017-1AV61 IEC Contactor 12 AMP 480V/3PHSpecial Price $109.86 Regular Price $126.34Out of stock
-10%Lochinvar & A.O. Smith 100110094 4-Pole Contactor 60Hz 50A 120VSpecial Price $231.89 Regular Price $257.40- -23%Rheem-Ruud 42-102664-19 3-Pole Contactor W/Auxiliary 40A 24VSpecial Price $38.09 Regular Price $49.52Out of stock
- -23%Daikin-McQuay 300050989 Contactor 6A AC3 120V/50-60HzSpecial Price $44.80 Regular Price $58.24Out of stock
- -13%Siemens Industrial Controls 3RT2026-1AK60 3-Pole Contactor 1 NO/NC 25 AMP 120VSpecial Price $153.23 Regular Price $176.22
Air Conditioner Contactor Replacements
Air conditioner contactors are essential components in HVAC systems that manage the electrical flow to compressors, fans, and other AC components. By providing reliable switching and precise control, contactors support consistent performance, prevent system overloads, and maintain smooth operation of air conditioning units.
Contactors come in various types, including single-pole, multi-pole, normally open (N/O), and magnetic models. These variations allow for proper adaptation to different AC capacities, voltages, and system requirements. HVAC contactors also help optimize energy use, reduce wear on compressors, and enhance overall system reliability, making them indispensable for both residential and commercial AC units.
PartsHnC offers a comprehensive selection of air conditioner contactors and replacement parts, including contactor 32A 3-pole 24V, Protech contactor 3-pole 24V 40A, contactor W/screws 40A 24V, 3-poles N/O contactor 24V/6A coil, contactor coil 200A 3-pole 4DP 120V. Also, find contactor with lugs 120V 60A, contactor 2 poles 25A 208V-230V, contactor relay 30Amp 24V, 15 15kW heat kit W/contactor 230V, pole magnetic contactor 115A 24V, and more. For top brands such as Schneider Electric, Danfoss, Siemens, Daikin-McQuay, Copeland, and more.
FAQs
What’s the difference between single-pole and double-pole contactors?
Single-pole controls one leg of power, while double-pole controls both legs for larger systems.
Are magnetic contactors better than mechanical ones?
Magnetic contactors are preferred in many HVAC systems because they offer quicker, more reliable switching and longer service life.
How do I determine the right AC contactor for my HVAC system?
Check the system’s voltage, amperage, and number of poles. Refer to your AC unit’s specifications for proper compatibility.
What happens when an AC contactor goes bad?
Your AC may not start, or it may keep running without shutting off.
How often should AC contactors be inspected or replaced?
Routine inspection every 1–2 years is recommended. Replace contactors showing wear, pitting, or burnt contacts to maintain reliability.
Why does my AC contactor make a loud clicking sound?
That click is the contactor switching power—loud or irregular clicks can mean wear or dirt.