[Lifetime Warranty] CBB61 5uF 2-Wire 250V 450V AC Ceiling Fan Capacitor - 50/60 Hz
Lifetime Warranty

[Lifetime Warranty] CBB61 5uF 2-Wire 250V 450V AC Ceiling Fan Capacitor - 50/60 Hz

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CBB61 5uF 2-Wire 250V AC Ceiling Fan Capacitor

Key Features

  • Model: CBB61
  • Capacitance: 5uF
  • Tolerance: ±5%
  • Rated Voltage: 250V AC
  • Rated Frequency: 50/60Hz
  • Termination: 2 Wires
  • Dielectric Material: Metallized Polypropylene Film
  • Function: Starts and runs single-phase motors in AC power systems.

Replaces / Cross-Reference Part Numbers

  • Replaces any 2-wire CBB61 capacitor with matching 5uF capacitance and a voltage rating of 250V AC or lower.

Compatibility & Fitment

  • Designed for ceiling fans and other small motor applications requiring a 2-wire start/run capacitor.
  • Important: This is a 2-wire capacitor. Verify that your original capacitor also has two wires before purchasing. Check the capacitance (uF) and voltage (V) ratings on your original part to ensure a match.

When to Replace

  • Ceiling fan motor hums but does not start.
  • Fan operates at only one speed or runs slower than normal.
  • Fan blade rotation is weak or requires a manual push to start.
  • The original capacitor shows physical damage, such as bulging or leaking.

Installation Tips

  • Disconnect the power source at the circuit breaker before servicing the fan.
  • Safely discharge the existing capacitor before handling.
  • Photograph or note the original wiring configuration before disconnecting.
  • The replacement capacitor's voltage rating must be equal to or higher than the original.
  • The capacitance rating (uF) must match the original capacitor exactly for proper motor operation.
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  • SUPERIOR QUALITY

    SUPERIOR QUALITY

    Made of metalized polypropylene film sheet with plastic shell , which has strong moisture resistance & excellent electricaal performance
  • BEST SOLUTION

    BEST SOLUTION

    Enjoy the great feeling when your Ceiling Fan works properly like before - BlueStars brings DIY solutions to help you deal with any trouble
  • STRONG & DURABLE

    STRONG & DURABLE

    Made of metalized polypropylene film sheet with plastic shell, which is durable, has strong moisture resistance and excellent electrical performance
  • SIMPLE INSTALLATION

    SIMPLE INSTALLATION

    Just 15 minutes of replacing the old capacitor to make the ceiling fan run like new!
MAKE IT COOL AGAIN

MAKE IT COOL AGAIN

Color
Black
Material
Metalized Polypropylene Film / Plastic Shell
Capacitance
5uF ±5%
Rated Voltage
250V AC
Frequency
50/60Hz
Wires
2
Dimensions (L x H x W)
47 x 29 x 18mm (1.85 x 1.14 x 0.70 inches)
Lead Length
~100mm (3.93 inches)
Max Operating Temp
+70°C

FAQ

A failing capacitor is the most common cause for ceiling fans that hum but won't start, fans that only spin when given a manual push, or fans that run significantly slower than their original speed settings. If you notice these symptoms, the capacitor is likely no longer holding the charge required to start the motor.
No. A 2-wire capacitor is designed for fans with a simple on/off or single-speed operation. If your original capacitor has 3, 4, or 5 wires, it is a multi-capacitance unit designed to control different fan speeds. Replacing a multi-wire capacitor with this 2-wire version will result in the loss of your speed control settings.
Always remove the light kit or housing cover to inspect the label on your existing capacitor. You must match the microfarad (uF) rating and the voltage (VAC) rating. While this unit is rated at 5uF and 250V, using a capacitor with a different uF rating can cause the motor to overheat or run at incorrect speeds.
Installation is straightforward and typically takes 15 to 30 minutes. You will need a screwdriver to access the fan housing and wire nuts to secure the connections. Ensure the power is turned off at the breaker before beginning. Since this is a 2-wire component, polarity does not matter, meaning either wire can be connected to either of the fan's power leads.
Capacitors are consumable electrical components that degrade over time due to heat exposure and constant electrical cycling. Because they are located inside the fan housing where airflow is restricted, the internal heat eventually causes the internal dielectric material to break down, leading to a loss of capacitance.