How do I know if this is the right contactor for my AC unit?

If your old contactor has a 24V Coil and is rated 40A, 30A, or 25A. This 40A model is a heavy-duty upgrade for lower amp units. Rule: Coil voltage must be exact; Amps can be higher, but never lower than your original one.

My air conditioner runs on 220V/240V power. Why does this say "24V Coil"? Will it work?

Yes. The "24V" refers to the thermostat signal (Coil), not the main power, 240V is for the motor.

Does it matter which wire goes where on the coil? Is there polarity?

No. Since the coil operates on AC (Alternating Current), there is no polarity. You can connect the two low-voltage control wires to the side coil terminals in any order.

Will this fit my [Carrier/Trane/Goodman] unit? The holes need to match.

Yes, in most cases. This contactor uses a universal mounting base. As long as your old unit is a 2-Pole contactor with a 24V Coil, this will fit and function correctly, regardless of the brand (Carrier, Trane, Goodman, etc.)

My old contactor buzzes/hums — will replacing it fix that?

Often yes. Buzzing can be caused by a worn coil/armature, pitted contacts, or low control voltage. Replacing the contactor commonly resolves noise if the control voltage is stable and wiring is correct

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SUNLEE 2 Poles FLA 40 Amp Coil 24 VAC Air Conditioner Condenser Compressor Contactor AC Definite Purpose Contactor Universal Fit UL Recognized A2L Compliant

SUNLEE 2 Poles FLA 40 Amp Coil 24 VAC Air Conditioner Condenser Compressor Contactor AC Definite Purpose Contactor Universal Fit UL Recognized A2L Compliant

Product ID: 218591453

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Details

Connector Type
Screw
Contact Material
Silver
Contact Type
Normally Open
Current Rating
40 Amps
Mounting Type
DIN Rail Mount

⚡40 Amp heavy-duty current

🔥Class F coil insulation 155°C

🛡️UL & A2L safety certified

Description

⚙️ Upgrade your AC game with rugged reliability and pro-grade safety!

SAFETY FIRST - UL Recognized and A2L compliant, rigorously tested to meet top US safety standards.
BUILT TO LAST - Silver contacts resist arcing and pitting for long-term reliability under heavy loads.
EFFORTLESS UPGRADE - Universal mounting plate and standard terminals ensure fast, clean installation.
TECHNICIAN APPROVED - 100% factory-tested and engineered for HVAC pros and savvy DIYers alike.
POWERHOUSE PERFORMANCE - Handles up to 40 Amps with ease, replacing both 30A and 40A units seamlessly.

The SUNLEE 2 Poles FLA 40 Amp Coil 24 VAC Contactor is a heavy-duty, UL-certified HVAC component designed for universal fit across major residential AC brands. Featuring silver contacts and Class F coil insulation for superior durability and thermal tolerance, it ensures safe, efficient switching at 40 Amps. Its rugged molded base withstands heat, vibration, and impact, while the universal mounting system guarantees quick, hassle-free installation—perfect for professionals and DIY enthusiasts aiming for reliable, long-lasting performance.

Specifications

Connector Type	Screw
Contact Material	Silver
Contact Type	Normally Open
Current Rating	40 Amps
Mounting Type	DIN Rail Mount
Brand	SUNLEE
Operation Mode	Automatic
Wattage	960 watts
Coil Resistance	15 Ohms
Coil Voltage	24 Volts
Contact Current Rating	40 Amps
Maximum Switching Current	40 Amps
Maximum Switching Voltage	24 Volts
Minimum Switching Voltage	24 Volts
Specification Met	NEMA, UL, cUL
Upper Temperature Rating	70 Degrees Celsius
Manufacturer	sunlee controls
Item Weight	9.9 ounces
Product Dimensions	3.43 x 2.09 x 3.15 inches
Item model number	DRC-2XQ04CC
Size	2P 40A 24VAC
Material	Copper
Item Package Quantity	1
Measurement System	Imperial, Metric
Batteries Included?	No
Batteries Required?	No

Reviews

O**R

Great fit

Great product for the price

3.07.2025

A**R

Label your wires if you are unsure and go for it!

Easy install and worked fine.

28.06.2025

J**.

Works perfect for my Pool Pump

Works perfect for my pool pump to be controlled by a Shelly Relay. Seems very heavy duty.

5.06.2025

R**L

relay switch

worked great for switching on different lighting circuits from 1 motion sensor

15.05.2025

R**O

Thanks

24.05.2025

K**R

STRONG PRODUCT

GREAT QUALITY

8.05.2025

K**R

Works well

Does it's job well. Used it to take load off of float switches.

23.04.2025

J**T

defective part

dead on arrival. not next day. need to return. had to find one local. temp today 98.

24.06.2025

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