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Marley Engineered Products 5018-0004-102 3-Pole Contactor 25A 208-240V

Special Price $232.84 Regular Price $258.45
In stock
SKU
5018-0004-102

The Marley Engineered Products 5018-0004-102 25A 3P 208/240V Contactor is a critical component in HVAC systems, used to control the flow of energy to the compressor unit. This contactor, which is installed in heat pumps and air conditioning systems, functions as a switch to regulate the electrical circuit that drives the compressor. The contactor engages in response to a signal from the thermostat or control system, enabling power to reach the compressor and starting the cooling or heating operation. Its sturdy design and dependable operation guarantee smooth functioning, and its capacity to manage elevated electrical currents effectively amplifies the HVAC system's overall performance and durability. This contactor helps improve energy economy, consistent performance, and occupant comfort by controlling electrical flow properly.

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Manufacturer Name: Marley Engineered Products
Product Number: 5018-0004-102
OEM Part Number: 5018-0004-102
Product Description: 30A 3P 208/240V Contactor
Weight:0.97lbs/439.98g

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Customer Questions
What maintenance is required for the Marley Engineered Products 5018-0004-102 Contactor?

Regularly inspect the contactor for dust, debris, or signs of corrosion. Ensure terminals are tight and connections secure. Test proper coil operation and mechanical movement, and follow all safety precautions when working with live electrical components.

What are common issues with the Marley Engineered Products 5018-0004-102 Contactor?

  • Contacts pitting or burning.
  • Contactor fails to engage or release.
  • Intermittent or inconsistent operation.
  • Overheating of terminals or coil.

Installation Steps

Step 1: Turn off all power at the breaker to prevent electric shock.

Step 2: Mount the contactor on a stable surface or DIN rail.

Step 3: Connect the line wires to the input terminals.

Step 4: Connect the load wires to the output terminals, matching phases.

Step 5: Attach the control coil wires according to the control circuit diagram.

Step 6: Secure all connections and replace covers.

Step 7: Restore power and test operation, ensuring the contactor switches correctly.