The HVAC Genius
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HVAC Genius HVAC Contactor, 30 Amp Double Pole / 2 Pole Contactor 120V Coil, HN51KC024 Replacement AC Contactor Relay, Compatible with Air Conditioner Condenser Compressor Contactor, UL Listed
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HVAC Genius HVAC Contactor, 30 Amp Double Pole / 2 Pole Contactor 120V Coil, HN51KC024 Replacement AC Contactor Relay, Compatible with Air Conditioner Condenser Compressor Contactor, UL Listed
Safe, reliable, and durable, this 30 Amp AC contactor is perfect for HVAC, motors, and more!
HVAC Genius HVAC Contactor, 30 Amp Double Pole / 2 Pole Contactor 120V Coil, HN51KC024 Replacement AC Contactor Relay, Compatible with Air Conditioner Condenser Compressor Contactor, UL Listed
Item #: 220453429

HVAC Genius HVAC Contactor, 30 Amp Double Pole / 2 Pole Contactor 120V Coil, HN51KC024 Replacement AC Contactor Relay, Compatible with Air

Item #: 220453429

AUD 37

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Safe, reliable, and durable, this 30 Amp AC contactor is perfect for HVAC, motors, and more!
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Product Details

Shop HVAC Genius HVAC Contactor, 30 Amp Double Pole / 2 Pole Contactor 120V Coil, HN51KC024 Replacement AC Contactor Relay, Compatible with Air Conditioner Condenser Compressor Contactor, UL Listed online at a best price in Australia. B0BKWPMXF9
Connector TypeQuick Connect, Screw
Contact TypeNormally Open
Current Rating30 Amps
Operation ModeAutomatic
Coil Resistance30
Coil Voltage120 Volts
Contact Current Rating30 Amps
Maximum Switching Current30 Amps
Maximum Switching Voltage120 Volts
Minimum Switching Voltage24 Volts (AC)
Specification MetUL
Brand NameThe HVAC Genius
UPC850002496505
Part NumberCONT-VAR
ModelTHVAC_2P_24V_30A_CONT
Unit Count1.0 Count
ManufacturerThe HVAC Genius
Included ComponentsContactor
Contact MaterialSilver Alloy
BrandThe HVAC Genius
Item Weight1 lbs (450 grams)

Product Description

HVAC Genius HVAC Contactor, 30 Amp Double Pole / 2 Pole Contactor 120V Coil, HN51KC024 Replacement AC Contactor Relay, Compatible with Air Conditioner Condenser Compressor Contactor, UL Listed

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Customer Questions & Answers

  • Question: What is an HVAC contactor and how does it work?

    Answer: An HVAC contactor is an electromechanical switch that controls the power supply to various components of an HVAC system. Specifically, the 30 Amp Single Pole / 1 Pole Contactor with a 24V coil works by using a low-voltage signal to power higher voltage circuits within your air conditioning unit. When the thermostat calls for cooling, it sends a signal to the contactor, closing the circuit and allowing electricity to flow to the compressor and condenser fan. This is essential for efficient operation, ensuring that your system runs smoothly during hot weather.
  • Question: What are the specifications of the HVAC Contractor 30 Amp Single Pole?

    Answer: The HVAC Contractor is rated at 30 Amps and operates on a single pole design with a 24V coil. This means it is designed to handle substantial electrical loads typically required for air conditioning systems. Its compact design allows it to seamlessly fit into your existing HVAC setup. When choosing a contactor, it's essential to ensure it meets the electrical requirements of your unit to ensure optimal performance and prevent electrical faults.
  • Question: Is this contactor compatible with my air conditioning system?

    Answer: This specific HVAC contactor is compatible with the hn51kc024 air conditioner relay, making it suitable for various AC units that require similar specifications. Before installation, it is necessary to confirm that your existing contactor matches these specifications. Checking compatibility helps in maintaining optimal performance and ensures that your air conditioning unit operates effectively without any electrical issues.
  • Question: How do I install the HVAC contactor?

    Answer: Installing the HVAC contactor involves turning off the power to your air conditioning system, removing the old contactor, and connecting the new one according to the wiring diagram provided. It is vital to connect the high voltage and low voltage connections correctly to prevent malfunctions. If you're not comfortable working with electrical components, it’s advisable to consult a professional technician for safe installation. Proper installation aids in ensuring reliable operation and enhances the longevity of your HVAC system.
  • Question: What happens if the HVAC contactor fails?

    Answer: If your HVAC contactor fails, it may result in your air conditioning unit not receiving power, leading to the system not functioning at all. Common symptoms of a failing contactor include buzzing sounds, overheating, or an unresponsive air conditioning system. Regular maintenance and timely replacement of a defective contactor can prevent unexpected breakdowns and keep your cooling system operating efficiently during peak summer months.
  • Question: Can I use this contactor for heating systems?

    Answer: While the HVAC contactor is primarily designed for air conditioning units, it can also be used in heating systems that require a similar electrical setup. The 30 Amp rating and 24V coil make it versatile for various HVAC applications, including heat pumps that function in both heating and cooling modes. However, ensure that your heating system’s specifications match the contactor's capabilities for optimal performance.
  • Question: What maintenance does the HVAC contactor require?

    Answer: The HVAC contactor itself requires minimal maintenance, although keeping the overall system clean and free from debris is crucial. Periodic inspections can help identify any wear or corrosion on electrical contacts. If you notice any signs of failure or performance issues, it may be time for a replacement. Regular professional servicing of your HVAC system can also ensure that the contactor and other components are functioning optimally.
  • Question: How can I tell if my contactor is working properly?

    Answer: To determine if your HVAC contactor is functioning correctly, listen for a clicking sound when the thermostat activates the AC. You can also check for power at the compressor and fan; if they don't start while the system is calling for cooling, the contactor may be faulty. Testing with a multimeter to verify continuity can also help diagnose operational issues, encouraging timely replacements when necessary for uninterrupted cooling.
  • Question: What safety precautions should I take when handling the HVAC contactor?

    Answer: When handling the HVAC contactor, safety should be your priority. Always ensure that power to the HVAC system is completely turned off before attempting any maintenance or replacement. Use insulated tools to prevent electric shock and avoid touching live wires. If unsure about the process, seek assistance from a qualified technician to minimize risks. Keeping safety in mind during installation and service can prevent accidents and ensure reliable operation of your HVAC system.
  • Question: Where can I buy HVAC Contactor, 30 Amp Single Pole / 1 Pole Contactor 24V Coil in Australia?

    Answer: You can purchase the HVAC Contactor, 30 Amp Single Pole / 1 Pole Contactor 24V Coil from Ubuy in Australia. Ubuy offers a wide selection of HVAC components, including this replacement contactor, making it easy to find suitable parts for your air conditioning system. Their user-friendly platform provides detailed product descriptions and ratings to assist you in making informed purchasing decisions.

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“Promt delivery. Seems like a good product.”

22 July 2026 · via Trustpilot
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”

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17-Jul-26 · via Trustpilot
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AUD 37

Order now and get it around Friday, August 28

QTY:

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Features & Benefits

  • 1-Pole, 30 Amp, 24V AC contactor ideal for HVAC systems.
  • Features fully enclosed safe contacts and durable copper terminals.
  • High-quality components including silver alloy contacts for better conductivity.
  • Compact design keeps dust and dirt away, avoiding arcing and sparks.
  • Versatile use for various applications like motors, lighting, refrigeration, and more.
  • Easy installation with included binding head screws and quick connect terminals.

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