[Lifetime Warranty] 2 Pole Contactor 40 Amp 240 VAC Coil - Fits Relays, Air Conditioner, Heat Pump, Refrigeration Systems
40 Amp 2-pole contactor with 240 VAC coil for HVAC and refrigeration systems.
2 pole 40 amp contactor with 240 VAC coil for air conditioning and heat pump systems.
Close-up of 2-pole 40 Amp contactor with 240 VAC coil for air conditioner and heat pump systems.
Technician replacing a 40 Amp 2 pole contactor in an air conditioning unit to fix common AC system symptoms.
40 Amp 2 pole contactor with close-up view of internal silver alloy coil and electrical terminals.
Close-up of a 2-pole 40 Amp contactor with 240 VAC coil showing the protective plastic housing and terminal connectors.
Woman relaxing on a sofa under a wall-mounted air conditioner with text overlay about AC repair.
40 Amp 2-pole contactor with 240 VAC coil for HVAC and refrigeration systems.
2 pole 40 amp contactor with 240 VAC coil for air conditioning and heat pump systems.
Close-up of 2-pole 40 Amp contactor with 240 VAC coil for air conditioner and heat pump systems.
Technician replacing a 40 Amp 2 pole contactor in an air conditioning unit to fix common AC system symptoms.
40 Amp 2 pole contactor with close-up view of internal silver alloy coil and electrical terminals.
Close-up of a 2-pole 40 Amp contactor with 240 VAC coil showing the protective plastic housing and terminal connectors.
Woman relaxing on a sofa under a wall-mounted air conditioner with text overlay about AC repair.
Lifetime Warranty

[Lifetime Warranty] 2 Pole Contactor 40 Amp 240 VAC Coil - Fits Relays, Air Conditioner, Heat Pump, Refrigeration Systems

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2 Pole Contactor 40 Amp 240VAC Coil

Key Features

  • Configuration: 2 Pole, Single Throw (DPST)
  • Electrical Rating: 40 Amp Full Load Amps (FLA)
  • Coil Voltage: 240VAC
  • Contacts constructed from a silver alloy for high conductivity and resistance to oxidation.
  • UL Certified (File E476929)

Replaces / Cross-Reference Part Numbers

  • Direct replacement for contactors with matching 40A, 2-pole, and 240VAC coil specifications.
  • Compatible with parts such as Appli Parts APAC-240240 and others from various manufacturers.

Compatibility & Fitment

  • Designed for use in residential and commercial HVAC systems.
  • Suitable for:
  • Air Conditioners
  • Heat Pumps
  • Refrigeration Systems
  • Electric Motors
  • Water Pumps

When to Replace

  • Outdoor condenser unit will not start.
  • AC unit hums but the compressor or fan does not engage.
  • Visible signs of wear, such as burned, pitted, or corroded contacts.
  • The system runs continuously and will not shut off.

Installation Tips

  • Disconnect all electrical power to the unit at the breaker and service disconnect before starting work.
  • Verify the amperage and coil voltage of the original contactor to ensure a match.
  • Photograph or label the wire connections before disconnecting the old part to ensure correct wiring.
  • Ensure the new contactor is mounted securely in the control panel.
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  • Perfect fit

    Perfect fit

    Our Contactor can replace 2 pole contactors rated at 20A 25A 30A 35A 40A (below or equal to 40A) on air conditioners and heat pumps
  • Premium quality

    Premium quality

    The Contactor is made of strong silver alloy which is oxidation resistant, high conductivity, and corrosion resistant.
  • Saving solution

    Saving solution

    Effortlessly energize your machine with our Contactor - BlueStars brings DIY solutions to help you deal with any trouble.
  • Simple installation

    Simple installation

    Our product is designed to be easily removed and replaced, allowing for quick and convenient maintenance.
ENJOY COMFORTABLE LIVING AND CHERISH ANY MOMENTS

ENJOY COMFORTABLE LIVING AND CHERISH ANY MOMENTS

BlueStars - #1 source of high-quality electrical parts
Package Dimensions
3.62 x 2.95 x 2.2 inches
Item Weight
10.5 ounces
Manufacturer
BlueStars
Batteries required
No
Included Components
1 Pole Contactor 30 Amp 24VAC

FAQ

This type of contactor is commonly used in central air conditioners, heat pumps, condensers, package units, and some refrigeration equipment. Compatibility depends on matching the electrical specifications and terminal layout of your original part, especially: 2 poles, 40 amp rating, and a 240 VAC coil. Always compare the old contactor's amp rating, coil voltage, number of poles, and wire connections before ordering.
Common signs of a failed or failing contactor include the outdoor unit not starting, the compressor or fan not turning on, a loud chattering or buzzing sound, visible burnt or pitted contacts, or the system staying stuck on when it should cycle off. In some cases, the thermostat calls for cooling or heating but the condenser does not engage because the coil is not pulling the contacts closed.
'2-pole' means the contactor switches two power legs at the same time, which is typical for many 208/230-240 volt HVAC systems. '40 amp' refers to the contact rating and should match or properly replace the original specification. '240 VAC coil' means the control coil requires about 240 volts AC to energize. The coil voltage must match your system's control circuit; a 24 VAC coil contactor is not interchangeable with a 240 VAC coil model.
Not automatically. Even if the contactor is rated 2-pole and 40 amp, you still need to verify the coil voltage is 240 VAC and that the line, load, and coil terminals are arranged in a way that fits your unit and wiring. Physical size, mounting style, and terminal type can also matter. The safest approach is to compare the data label and wiring layout on your existing contactor.
Contactor failure is often caused by normal electrical arcing each time the unit starts and stops, which gradually pits and burns the contacts. Other common causes include voltage fluctuations, insect contamination, moisture, corrosion, overheating, loose wire connections, and a coil that has been overworked by unstable control voltage. In outdoor condenser units, dirt and debris can also shorten contactor life.
Replacement is usually a moderate electrical repair. In many systems it can be done in about 15 to 30 minutes if access is straightforward. Typical tools include a screwdriver, nut driver, needle-nose pliers, and a multimeter to confirm power is off and verify voltage. Because this part handles high voltage, shut off the disconnect and breaker before servicing, and label or photograph all wires before removal.
Before installing the replacement, inspect the wire terminals for heat damage, verify the control voltage to the coil, and check the capacitor and fan/compressor amperage draw if the old contactor shows severe burning. A failing capacitor, loose spade connector, or overamping motor can damage a new contactor quickly. It's also a good idea to clean out debris from the electrical compartment and tighten all connections to the equipment manufacturer's specifications.