China Start Capacitor Factory



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How do the Motor Start Capacitor work?
A start capacitor is used to briefly shift phase on a start winding in a single phase electric motor to create an increase increase in torque. Start capacitors possess a very large capacitance value for their size and voltage rating, and as a result, are only intended for intermittent duty. It is because of this that start capacitors fail after being left energized too long due to a faulty starting circuit on a motor.

Why my Motor Start Capacitor have a resistor?
Most replacement start capacitors will not include a resistor. You can check the condition of the old one by checking the resistance value, or just replace it with a new one. This should read somewhere around 10-20k Ohms and around 2 watts. The resistors are usually either soldered or crimped to the terminals. The purpose of the resistor is to bleed off residual voltage in the capacitor after it has been disconnected from the circuit after start up of the motor. Not all start capacitors will use one, as there are other ways to accomplish this. The important thing to note is that if your original capacitor had one, you’ll need to replace it on the new capacitor.

Feature & Application

1. CD60 Motor Start Capacitor is made according to American ANSI / EIA –463 standard, a new device developed, bakelite case, high class insulating, high strength, uneasy broken and good sealed.
2. The connection types are of dual quick-connect terminal, wire and cable type.
3. The specific type of capacitors with high electrical characteristics are widely used in single phase A.C. motors with rated voltage of 110V-330V and the frequency of 50Hz – 60Hz to get high rotary torque.
4. CD60 Motor Start Capacitor is suitable used in single phase A.C. motors, compressor, etc.

Technical data and specifications

Reference standards American ANSI /EIA -463
Rated capacitance 21µF ~ 1536µF (MFD)
Tolerance 0 ~ +20%
Rated voltage 110VAC ~ 330VAC
Rated frequency 50/60Hz
Surge Voltage between lugs Applying 1.25 times rated voltage for 2 seconds
Surge Voltage between lug and case 2000VAC 10 seconds non-broken down
Load Life
According to the difference working voltage and capacitance;

Alternation 0.5-4 minute turn on 1 time for second, 12500~50000 times.

Dissipation factor tan δ tgδ ≤ 0.10, tgδ ≤ 0.15 (20℃,100Hz)
Climate types -40℃ ~ +65℃


Post time: 06-20-2017