Choosing the best contactor for air conditioner units is essential to ensure efficient startup and operation of your AC compressor and condenser. This article reviews top-rated AC contactors featuring different pole configurations, current ratings, coil voltages, and durability suited for residential and commercial HVAC systems. Below is a summary table of the selected products for quick comparison.
| Product | Brand | Poles | FLA (Amps) | Coil Voltage | Features |
|---|---|---|---|---|---|
| BOJACK 1 Pole FLA 40 Amp Contactor | BOJACK | 1 | 40 | 24 VAC | AC definite purpose contactor, suitable for compressors |
| Dreyoo 2 Pole 40A 24V Coil Contactor | Dreyoo | 2 | 40 | 24 VAC | UL certified, moisture-resistant coil, fits HVAC systems |
| BOJACK 2 Pole FLA 30 Amp Contactor | BOJACK | 2 | 30 | 24 VAC | Durable motor contactor for condenser compressors |
| Dreyoo 1 Pole 30A 24V Coil Contactor | Dreyoo | 1 | 30 | 24 VAC | Hermetically sealed coil, vibration-proof terminals |
| VEXUNGA 1 Pole 40 Amp 24 VAC Contactor | VEXUNGA | 1 | 40 | 24 VAC | Wide temperature range, universal AC motor contactor |
Content Navigation
- BOJACK 1 Pole FLA 40 Amp Coil 24 VAC AC Contactor
- Dreyoo 2 Pole 24V Coil 40A UL Certified HVAC Contactor
- BOJACK 2 Pole FLA 30 Amp Coil 24 VAC AC Contactor
- Dreyoo 1 Pole 30A 24V Coil Carrier Replacement Contactor
- VEXUNGA 1 Pole 40 Amp 24 VAC AC Motor Contactor Replacement
- Buying Guide for Air Conditioner Contactors
BOJACK 1 Pole FLA 40 Amp Coil 24 VAC AC Contactor
The BOJACK 1 Pole Air Conditioner Contactor is designed for single-pole AC systems with a full load amperage (FLA) rating of 40 amps. Its 24 VAC coil makes it well suited for condenser compressor motor circuits. The contactor is a definite purpose type, ensuring reliable switching for air conditioning units. The compact design supports straightforward installation in HVAC panels.
This model is optimized for handling the electrical demands typical of air conditioner compressors, offering dependable operation in controlling the power to the motor. It is ideal for those needing a trusted replacement part with straightforward specifications.
Dreyoo 2 Pole 24V Coil 40A UL Certified HVAC Contactor
Featuring a 2 pole design with a 40A FLA capacity, the Dreyoo contactor caters to split-phase HVAC systems operating within 24-48 VAC. UL508 certification guarantees compliance with safety standards. The coil is hermetically sealed to prevent moisture damage, and silver oxide contacts provide a low resistance connection.
Engineered with industrial endurance, it withstands temperature extremes from -40°F to 221°F and resists dust, water, and vibration. The contactor is compatible with models from leading brands like Mars, Siemens, and Cutler Hammer, ensuring broad replacement potential.
BOJACK 2 Pole FLA 30 Amp Coil 24 VAC AC Contactor
This BOJACK 2 Pole Contactor supports a 30 amp rating with a 24 VAC coil, suitable for motor applications including condenser compressors. Its definite purpose classification makes it ideal for use in air conditioning systems, offering stable and consistent switching capability.
The dual pole configuration allows control over two power leads, increasing reliability for dual-phase power circuits in small commercial and residential HVAC units. The product is tailored for customers seeking a straightforward, effective motor contactor replacement.
Dreyoo 1 Pole 30A 24V Coil Carrier Replacement Contactor
This single-pole Dreyoo contactor delivers 30 amps FLA and 50 amps resistive load capacity. Its hermetically sealed coil provides protection from moisture and environmental damage, enhancing longevity. Silver oxide contacts maintain less than 5 milliohms resistance, ensuring minimal voltage drop.
Designed for compatibility with Carrier and other major brand motor contactors, it can directly replace models like Carrier HK42FZ024 and Mars 17421. The device resists vibration and dust ingress, making it suitable for rooftop units and refrigerated environments.
VEXUNGA 1 Pole 40 Amp 24 VAC AC Motor Contactor Replacement
The VEXUNGA 1 Pole 40 Amp contactor is compatible with air conditioner compressor and condenser units across brands. Operating with a 24 VAC coil voltage, it is rated for 40 amps FLA and designed for 50/60Hz frequencies. Its temperature rating extends from -40°C to +65°C (-104°F to +150°F), making it suitable for various climates.
This contactor features a simple replacement solution for single-pole AC motor control, supporting reliable switching in HVAC applications with a temperature range to meet industrial and residential demands.
Buying Guide for Air Conditioner Contactors
Choosing the right contactor for your air conditioner is crucial for optimal system performance and longevity. Consider the following factors when making your selection:
1. Pole Configuration
Contactors are available in different pole configurations such as 1 pole or 2 poles. Single-pole contactors are typically suitable for residential single-phase AC units, while two-pole contactors are needed for split-phase or dual-phase systems common in larger commercial setups.
2. Full Load Amperage (FLA)
The contactor’s FLA rating should match or exceed the electrical current the compressor motor draws under full load. Common FLA ratings include 30A and 40A. Using an underrated contactor can cause premature failure, while an overrated contactor may be unnecessarily costly.
3. Coil Voltage
Most HVAC contactors operate with a 24 VAC coil voltage to interface with common thermostat control signals. Confirm your system’s control voltage matches the coil voltage of the contactor for proper operation.
4. Durability and Environmental Resistance
Contactors in outdoor or rooftop AC units must withstand extreme temperatures, moisture, dust, and vibration. Choose models with sealed or encapsulated coils and corrosion-resistant silver alloy contacts. Certifications such as UL and CSA indicate adherence to industry safety and durability standards.
5. Compatibility and Ease of Installation
Select a contactor designed to replace your specific brand or model for seamless replacement. Features such as universal mounting holes, quick connect terminals, and clear wiring diagrams simplify installation without the need for specialized tools.
6. Load Type and Voltage Ratings
Ensure the contactor supports the motor load type (resistive or inductive) and system voltage (commonly up to 600 VAC) for your air conditioner application. A contactor certified for HVACR equipment provides confidence in its suitability.
By considering these factors, you can select the most appropriate contactor to maintain your air conditioner’s reliability, efficiency, and safety over its operational lifespan.