Motor contactors are crucial components in electrical control systems, responsible for switching power to motors on and off. Selecting the correct one ensures safe operation, prevents damage to equipment, and optimizes energy efficiency. Understanding key features and specifications is essential for making an informed purchase.
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Discover now our comparison of the best Motor Contactors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Motor Contactors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Motor Contactors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
- Protactor 2 Year Replacement Policy - UL Listed
- 40 FLA Amp Rating - 1 Pole With Shunt - 24 Volt Coil. Replaces Most 1 Pole Contactors Rated at 20 Amps, 25 Amps, 30 Amps, 35 Amps, or 40 Amps on Air Conditioners and Heat Pumps
- Enclosed Contacts and Encapsulated 24 Volt Coil
- Heavy Lug Terminals and Push-Ons for High Voltage Connections
- Replaces Virtually All 1 Pole Contactors Used by Carrier - Bryant - Payne, Rheem - Ruud - Weatherking, Lennox - Armstrong - Ducane, Trane - American Standard, York - Coleman - Evcon - Luxaire, Heil - Comfortmaker - Tempstar
- Production Name: AC Contacto
- Poles: 2 P
- Rated Current: FLA 40 Amp
- Coil Voltage:24 VAC
- Max.Withstand Voltage: 600 VAC
- 2 Poles 40 Amp 120Volt coil
- 40 FLA Amp Rating - 2 Pole - 120 Volt Coil. Replaces Most 2 Pole Contactors Rated at 20 Amps, 25 Amps, 30 Amps, 35 Amps, or 40 Amps on Air Conditioners and Heat Pumps
- Class F 155°C coil insulation more thermal headroom (Superior to most other brands that only use Class B 130°C).
- Bulk molding compound (BMC) provides strong mechanical strength and electrical insulation to withstand heat, vibration and impact. (Stronger than bakelite)
- Repalces: Mars, furnas, Packard, Hartland controls, Abb, carrier, Goodman, Rheem
- TECHNICIAN READY: Engineered for HVAC technicians and serious DIYers. Each contactor is 100% factory-tested.
- Reliable Performance:Engineered with 24V coil 2 pole technology, the Dreyoo Air Conditioner Contactor delivers 40A Full Load Amperage (FLA) and 50A Resistive Load (RES) capacity, meeting UL508 standards. The hermetically sealed coil encapsulation prevents...
- Industrial Workmanship Durability: Featuring HVAC contactor optimized design with dust/water resistance and vibration proof terminals. Coils wrapped in Class B insulation (130°C thermal limit) pass 100,000+ operations at 6x/hour cycling. Tested to...
- Compatibility: Compatible with Mars 17421 and Cutler Hammer C25BNB240T. Includes dual rated copper/aluminum lugs (M4-M6 screws) and 1/4" quick connect terminals. Certified for HVACR systems, commercial elevators, and food processing equipment
- Wide Applications: Deploys in hospital chillers, data center CRAC units, supermarket freezer racks (-30°F), and agricultural irrigation pumps. Meets motor protection requirements with built in arc chutes and overload reset capability. 0.15s response time...
- What You Will Get: Package contains 1x contactor 24v coil 2 pole, 2x DIN rail mounts, 6x stainless steel M5 binding screws, and compliant wiring schematics. High quality home and industrial facility should be available to everyone, If can't find the model...
- Production Name: AC Contacto
- Poles: 2 P
- Rated Current: FLA 30 Amp
- Coil Voltage:120 VAC
- Max.Withstand Voltage: 600 VAC
- 【Carrier HVAC Contactors】2 Pole 24 VAC, 50/60 Hz, Amps (FLA): 40 A, Resistance (RES): 40 A, Compatible Devices up to 600 VAC.
- 【Certified Replacement Relay】Silver alloy contacts for better conductivity. High precision silicon steel core, pure copper coil and flame retardant housing, stable and durable, compact design, dust and dirt resistant, avoiding arcs and sparks. It can...
- 【Industrial Manufacturing Process】Complete with binding head screws, including lugs, cover plate and quick connect spade terminals, the coil is insulated with class b insulation, contacts are closed, and the 120-volt coil is encapsulated with no...
- 【Widely Used Idea】 switching solution for HVAC, heating, refrigeration systems, motors, elevators, pump or compressor components, lighting, pools, food processing, lifts and cranes, battery chargers, printing presses, vending machines, and...
- 【Utility】High-quality household and industrial equipment should be available to everyone. If you can't find the model you want, please contact us, we will help you.24*7 hours customer service.
- 2-Pole 2NO Design - 2 Normally Open contacts for multi-circuit control, rated for 110V AC (50/60Hz) with 63A current capacity (AC-7a 63A/AC-7b 25A). Features 1.6W max power, 500V withstand voltage (Ui), and 400V operating voltage (Ue) for reliable...
- DIN Rail Ready - Compact 35mm rail-mounted design (85 x 36 x 65mm / 3.35" x 1.42" x 2.6") for seamless integration with circuit breakers, compatible with AWG 10-4 flexible cords
- Safety First – Requires short-circuit protection (fuses/MCBs) and spacing plates for heat management. 110V AC power only (not DC-compatible)
- HVAC & Motor Applications – Ideal for air conditioners, pumps, lighting panels, and home appliances
- Professional Use Only – Qualified electricians must install. Follow NEC codes and de-energize systems before wiring
- Rated for 23A. Used only with Rockwell 193-T1A System Overloads.
- Din Rail Mounting: Yes - 35mm DIN Rail
- Coil Voltage (AC): 120
- Compact Size for Space Saving
- Protactor 2 Year Replacement Policy - UL Listed
- 40 FLA Amp Rating - 2 Pole - 24 Volt Coil. Replaces Most 2 Pole Contactors Rated at 20 Amps, 25 Amps, 30 Amps, 35 Amps, or 40 Amps on Air Conditioners and Heat Pumps
- Enclosed Contacts and Encapsulated 24 Volt Coil
- Heavy Lug Terminals and Push-Ons for High Voltage Connections
- Replaces Carrier - Bryant - Payne P282-0421, Goodman - Amana - Janitrol CONT2P035024VS, CONT2P040024V, CONT2P040024VS, B1360305, B1360325, C617001, C617003, C617005, Rheem - Ruud - Weatherking...
- ♥【What You Get】The package comes with 2P 30A 24V hvac contactor.Pole：2;Full load rated current（FLA）：30A;Resistive load rated current（RES）：40A;Coil:24VAC,50/60Hz;Compatible with devices up to 600 VAC.
- ♥【Superior Quality】Stable and durable.Preferred flame retardant housing; high quality silver alloy contacts, not easy to oxidize; full turn coil purple copper coil; all copper terminals.
- ♥【Highly Adaptable】High quality, high adaptability, high environmental adaptability, reliable operation even in extreme environments.
- ♥【Easy Installation】The base has fixing screw holes for a good fixing. Wiring can be used with spade type terminals for easy connection.
- ♥【Wide Range of Applicable 】Widely used in HVAC, lighting, elevators, compressors, printing presses, food processing, cranes, etc.Provide effective solution for circuit on/off.
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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Motor Contactors
Understanding Motor Contactor Basics
A motor contactor is essentially a heavy-duty electromagnetic switch designed to handle high electrical loads. It consists of a coil that, when energized, creates a magnetic field to close or open contacts, thereby controlling the flow of power to a motor. They are rated based on their electrical capacity, including voltage and amperage, and are designed for frequent switching operations.
Key Specifications to Consider
- Voltage Rating: Ensure the contactor's voltage rating matches or exceeds your motor's operating voltage (e.g., 120V, 240V, 480V).
- Amperage Rating: This is critical and should be higher than the motor's full load amperage (FLA) to prevent overheating and failure. A general rule is to select a rating at least 125% of the motor's FLA.
- Poles: Most motors use three-phase power, requiring a 3-pole contactor. Single-phase motors might use a 2-pole contactor.
- Control Voltage: This is the voltage required to energize the contactor's coil. Common control voltages are 24V AC, 120V AC, or 240V AC.
- AC-3/AC-4 Rating: These ratings indicate the contactor's suitability for specific motor load types. AC-3 is for starting squirrel cage motors, while AC-4 is for starting and stopping frequently.
Additional Features and Considerations
Beyond the core specifications, consider auxiliary contacts. These are smaller contacts that can be used for signaling purposes, such as indicating the contactor's state (on/off) to a control system or interlocking with other components. Mounting options (DIN rail, panel mount) and environmental protection (IP rating) are also important depending on the installation location.
Comparison Tips
When comparing different models, prioritize safety and reliability. Look for reputable brands known for their durability and performance in industrial settings. Check for certifications like UL or CE, which indicate compliance with safety standards. Read user reviews to gauge real-world performance and identify any common issues. Ensure the physical dimensions fit your control panel space.