LG Air Conditioner Reactor / Transformer - EBJ64450001

Stabilize the electrical power supply and protect your inverter cooling system with the LG Air Conditioner Reactor / Transformer (EBJ64450001). Also known as an inductor or choke coil, this heavy-duty electrical component works in tandem with the main inverter control board to filter out electrical noise, smooth out voltage spikes, and reduce harmonic distortion. If your air conditioner is repeatedly tripping the circuit breaker, failing to start the compressor, displaying specific inverter-related error codes, or has recently suffered from a severe power surge, a shorted or burned-out reactor is often to blame. Replacing this vital part ensures safe, continuous power delivery to your unit's most expensive components.

Constructed with high-grade copper windings and a solid magnetic iron core, the EBJ64450001 is engineered to handle massive electrical loads and harsh temperature fluctuations without degrading. By improving the power factor and stabilizing the electrical current, this reactor guarantees that your inverter compressor runs efficiently, quietly, and within safe operating parameters.

1. Critical Safety Protocol: Completely power off the air conditioning system. Shut off the dedicated circuit breaker at your home's main electrical panel. Warning: Inverter systems utilize high-voltage capacitors that hold a lethal charge even after the power is cut. Wait at least 10–15 minutes, and safely discharge the capacitors before handling any internal components.
2. Access the Control Box: Remove the top or side access panel of the outdoor condensing unit to locate the main electrical control box and the inverter PCB assembly. The reactor is a heavy, block-like component typically mounted directly to the metal chassis nearby.
3. Document the Wiring: Take a clear, detailed photograph of the heavy-gauge wires connecting the reactor to the inverter board or terminal block.
4. Disconnect the Faulty Reactor: Use an insulated screwdriver or pliers to carefully unplug the wire spade connectors or loosen the terminal screws. Unbolt the heavy reactor from its mounting position on the unit's frame.
5. Install the New Component: Securely bolt the new EBJ64450001 reactor to the chassis, ensuring it is tightened down firmly to prevent any operational vibration or humming.
6. Reconnect and Test: Reattach the heavy-gauge wires exactly as they appeared in your reference photograph. Ensure all connections are tight. Replace all covers, restore power at the breaker, and turn on the system to verify proper startup and the clearing of any error codes.
7. Compatible with select LG inverter air conditioner models, this OEM-quality reactor provides the exact electrical specifications required to keep your sophisticated cooling system running safely and efficiently.

1. AC Reactor / Transformer – Part number EBJ64450001
2. Stabilizes Inverter Power – Regulates voltage and current flowing to the compressor
3. Filters Electrical Noise – Reduces harmonic distortion and protects sensitive circuit boards
4. Resolves Power Failures – Fixes tripped breakers and clears inverter-specific error codes
5. Heavy-Duty Construction – Built with premium copper windings and a solid iron core for maximum durability
6. Genuine OEM Part – Engineered for exact electrical compatibility and safe operation in LG units