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The RCD p291-6054r is a dual run capacitor rated at 60+5 microfarads (MFD) and 440 volts AC, designed as a direct OEM-style replacement for residential and light commercial HVAC equipment. Run capacitors supply a continuous phase-shifted current to compressor and fan motor windings, maintaining smooth motor operation throughout each cooling or heating cycle. This unit is rated for both 50 and 60 Hz systems, carries a tolerance of plus or minus 6 percent, and is housed in a round aluminum can measuring 6.6 inches in length and 3 inches in diameter. Installation is typically performed by a licensed HVAC technician during routine seasonal maintenance or when a failed capacitor is identified as the cause of hard-start or no-start conditions.
This dual capacitor serves both the compressor and the condenser fan motor from a single component, reducing parts count and simplifying replacement. It is commonly found in heat pump and central air conditioner systems. Compatible units noted in product data include 38YCD348 M 3A0, 38BRC048 370, and 38BRC048 360 models. Its wide temperature rating of -40 to 70 degrees C makes it suitable for equipment installed in unconditioned mechanical spaces subject to temperature extremes.
Compatible units identified in product data include 38YCD348 M 3A0, 38BRC048 370, and 38BRC048 360. Additional compatible models may apply; consult the full model list provided by the manufacturer or cross-reference by capacitance, voltage, and physical dimensions before installation.
Capacitor replacement should be performed by a licensed HVAC technician. Disconnect and lock out all power to the unit before handling capacitors, as they can retain a dangerous charge even after power is removed — discharge the capacitor using an appropriate discharge tool before disconnecting any wires. Verify that replacement capacitance and voltage ratings match the original equipment nameplate before installation. Follow all applicable local electrical codes and manufacturer service documentation.
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