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AC Motor capacitors Mississauga Canada

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Oval and Round Runstart capacitors Canada  

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At www.heatingpartscanada.ca we sell run capacitors for furnace motors and Central AC units.

A motor capacitor,such as a start capacitor or run capacitor (including a dual run capacitor) is an electrical capacitor that alters the current to one or more windings of a single phase AC induction motor to create a rotating magnetic field.

There are two common types of motor capacitors, run capacitors and start capacitors. The units of capacitance are labeled in microfarads (µF or uF or "mfd" or "MFD", which still refers to "micro", not "milli").

Motor capacitors are used with air conditioners, hot tub/jacuzzi spa pumps, or forced air heat furnaces A "dual run capacitor" is used in some air conditioner compressor units, to boost both the fan and compressor motors

Your AC capacitor is a dual capacitor with 2 uf ratings. One rating for the motor and one for the compressor. The additional connector on top of your capacitor is the neutral.

When buying a capacitor in Canada, call our office to help 1 844 73PARTS. The quickest way to find your replacement capacitor is to read the mf rating right from the old capacitor.

Most common dual AC capacitors with work in most central air conditioners like Lennox, York, Carrier, Coleman, Keeprite, Ruud, Rheem, ICP, Comfortmaker, ArcoAire, Ducane and Trane are as follows:

30+5 capacitors, 35+5 run capacitors, 25+5 dual capacitors, 45+5uf

To buy a replacment capacitor in Canada, we have two pick up locations for capacitors in Mississauga ON and St. Catharines ON. We also ship to all Canadian locations. We sell capacitors to home owners as well as contractors in Canada.

3uf 4uf 5uf 10uf 15uf 20uf 25uf 30uf 35uf 40uf 50uf 55uf

15/3mfd 20/3mfd 20/5mfd 25/5mfd 30/5mfd 40/5mfd

Run capacitors are designed for continuous duty while the motor is powered, which is why electrolytic capacitors are avoided, and low-loss polymer capacitors are used instead.

Run capacitors are mostly polypropylene film capacitors and are designed for continuous duty, and they are energized the entire time the motor is running.

Run capacitors are rated in a range of 1.5 to 100 microfarads (µF or mfd), with voltage classifications of 370 V or 440 V

If a wrong capacitance value is installed, it will cause an uneven magnetic field which causes the rotor to hesistate at those spots that are uneven, which can be observed as uneven motor rotation speed, especially under load. This hesitation can cause the motor to become noisy, increase energy consumption, cause performance to drop, and cause the motor to overheat

A dual "run capacitor" supports two electric motors, such as in large air conditioner or heat pump units, with both a fan motor and a compressor motor. It saves space by combining two physical capacitors into one case.

The dual capacitor has 3 terminals labeled "C", "FAN", and "HERM", which stand for the Common, Fan, and HERMetically sealed compressor.

Dual capacitors come in a variety of sizes, depending on the capacitance (µF), such as 40 plus 5 µF, and also the voltage.

A 440 volt capacitor can be used in place of a 370 volt, but not a 370 in place of a 440 volt.

The capacitance must stay the same within 5% of its original value.

Round cylinder-shaped dual run capacitors are commonly used for air conditioning to help in the starting of the compressor and the condenser fan motor.

An oval dual run capacitor could be used instead of a round capacitor, but the mounting strap should be changed to better fit the oval shape.

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