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Motor Run Capacitors

Available219 products
Motor run capacitors maintain a charge and stay energized while a motor is operating. They improve a motor's running performance by continuously providing additional torque, whereas start capacitors exit the circuit once the motor reaches its operating speed. When replacing a run capacitor, it's important to match the shape (round, oval, or rectangle) and the microfarad rating, voltage, and dimensions of the original capacitor. Run capacitors are typically used with medium-to-high torque applications required for air conditioners, auger drives, compressors, and conveyors.
Capacitor Voltage

Round Motor Run Capacitors

Round Motor Run Capacitors

These round-shaped motor run capacitors have a single capacitance value measured in microfarads (mfd or µF), compared to dual run capacitors that have two capacitance values. They are used primarily with capacitor-start/run motors where they fit into the rounded housing attached to the motor enclosure.

370V AC

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440V AC

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Oval Motor Run Capacitors

Oval Motor Run Capacitors

These oval-shaped motor run capacitors have a single capacitance value measured in microfarads (mfd or µF), compared to dual run capacitors that have two capacitance values. Oval-shaped run capacitors are primarily used with permanent split capacitor (PSC) motors and fit into brackets designed for their shape.

370V AC

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440V AC

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480V AC

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Round Motor Dual Run Capacitors

Round Motor Dual Run Capacitors

These dual run motor capacitors have a round shape and contain two capacitance values in a single unit, compared to standard run capacitors that have one capacitance value, measured in microfarads (mfd or µF). One dual run capacitor can take the place of two single run capacitors and can connect to two motors, such as a blower and a compressor placed close together in HVAC applications.

370V AC

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440V AC

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Oval Motor Dual Run Capacitors

Oval Motor Dual Run Capacitors

These dual run motor capacitors have an oval shape and contain two capacitance values in a single unit, compared to standard run capacitors that have one capacitance value, measured in microfarads (mfd or µF). One dual run capacitor can take the place of two single run capacitors and can connect to two motors, such as a blower and a compressor that are placed close together in HVAC applications.

370V AC

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440V AC

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Round Universal Motor Run or Dual Run Capacitors

Round Universal Motor Run or Dual Run Capacitors

These universal motor run capacitors have a round shape. They can be wired to a range of capacitance values, measured in microfarads (mfd or µF), reducing the need to maintain an assortment of capacitors with different ratings. These capacitors can be wired as dual run capacitors that contain two capacitance values in a single unit, compared to standard capacitors that have one capacitance value. One dual run capacitor can take the place of two single run capacitors, and can connect to two motors placed closed together. These versatile capacitors are useful when working in the field.

440V AC

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