4 Pole Contactor 40 Amp 120 VAC Coil
4-pole 40 amp definite purpose contactor with 120 VAC coil and metal mounting base.
4 pole 40 amp contactor with 120 VAC coil shown with technical specifications and HVAC unit background.
Side view of a 4 pole 40 amp contactor with 120 VAC coil for AC and heat pump replacement.
Technician installing a 4 pole 40 amp 120 VAC contactor in an air conditioning unit.
4 pole 40 amp 120 VAC contactor showing silver alloy contact terminals and product specifications.
4-pole 40 amp definite purpose contactor with 120 VAC coil and metal mounting base.
4 pole 40 amp contactor with 120 VAC coil shown with technical specifications and HVAC unit background.
Side view of a 4 pole 40 amp contactor with 120 VAC coil for AC and heat pump replacement.
Technician installing a 4 pole 40 amp 120 VAC contactor in an air conditioning unit.
4 pole 40 amp 120 VAC contactor showing silver alloy contact terminals and product specifications.
Lifetime Warranty

4 Pole Contactor 40 Amp 120 VAC Coil

Save 25%
0.00
$32.59
$43.45
$32.59
In stock
Fast delivery

Secure and trusted checkout with

  • Visa
  • Mastercard
  • American Express
  • PayPal
  • Diners Club
  • Discover
Contact for wholesale
🛠️
CONFIRM THE FIT FOR YOUR MODEL
Enter your model number

4 Pole Contactor 40 Amp 120 VAC Coil

Key Features

  • Coil Voltage: 110/120 VAC, 50/60 Hz
  • Load Rating: 40 Amp Full Load (Inductive), 50 Amp (Resistive)
  • Poles: 4-Pole, Normally Open (N.O.)
  • Maximum Voltage: 600 VAC
  • Terminals: Quick connect for load and coil
  • Enclosure: Open-type with universal mounting base
  • Certifications: UL Listed

Replaces / Cross-Reference Part Numbers

  • Directly replaces contactors with equivalent specifications.
  • Example cross-reference: Square D 8910DPA44V02

Compatibility & Fitment

  • Designed for definite purpose applications including HVAC, air conditioning, refrigeration, heating, and lighting systems.
  • Suitable for single-phase motor loads up to 3 HP at 115 VAC.
  • Interchangeable with contactors from various manufacturers that match the electrical specifications.

When to Replace

  • Audible chattering, humming, or buzzing from the contactor during operation.
  • Visible signs of heat damage, melting, or arcing on the housing or terminals.
  • Contacts are visibly pitted, burned, or welded together.
  • Connected equipment (e.g., compressor, fan motor) fails to start or shut off.

Installation Tips

  • Disconnect all power to the equipment before installation.
  • Verify the control circuit voltage matches the 110/120 VAC coil rating.
  • Ensure all wire connections are clean and securely fastened to the terminals.
  • Mount the contactor on a stable, flat surface within the equipment enclosure.
  • Confirm the amperage and voltage ratings meet or exceed the requirements of the original part.
Product image
Product image 1
Product image 2
Product image 3
  • Perfect fit

    Perfect fit

    Our Contactor can replace 3 pole contactors rated at 20A 25A 30A 35A 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
Connector Type
Screw, Wire
Contact Material
Silver Alloy
Contact Type
Normally Open
Current Rating
40 Amps
Mounting Type
Surface Mount
Brand
BlueStars
Operation Mode
Automatic
Coil Voltage
120 Volts (AC)
Minimum Switching Voltage
120 Volts (AC)
Manufacturer
BlueStars

FAQ

This contactor is designed for use in HVAC systems, including air conditioners, heat pumps, and refrigeration units. It is also suitable for lighting control systems and general motor control applications requiring a 40 Amp, 120VAC coil configuration.
This unit is a direct replacement for various industry-standard contactors, including models such as HCCY4XT04CJ, C25ENF440A, C440B, and TC1D40004G7.
A failing contactor often exhibits signs such as a loud buzzing or humming noise when energized, the equipment failing to start despite a call for cooling or heating, or the unit running continuously even after the thermostat has reached the set temperature. If you notice pitting or burnt contact points upon inspection, the contactor should be replaced.
Before installation, ensure the power to the equipment is completely disconnected at the breaker. Verify that your system's control voltage matches the 120VAC coil requirement of this contactor. Additionally, inspect the wiring terminals for any signs of heat damage or corrosion; if the wires are damaged, they should be trimmed back to clean copper or replaced to ensure a secure connection.
Replacing a contactor is a straightforward task for those familiar with electrical work, typically taking 20 to 40 minutes. You will need a screwdriver (typically flathead or Phillips depending on the terminal screws) and a multimeter to verify power is off. It is recommended to label each wire before disconnecting them to ensure they are reattached to the correct terminals on the new unit.
Yes, this 4-pole contactor is rated for 40 Amps for inductive loads (such as motors and compressors) and is also capable of handling resistive loads up to 50 Amps, making it versatile for both HVAC and lighting applications.