PowerWell 7.5 uf MFD 370 or 440 VAC Oval Run Capacitor PW-7.5 for Fan Motor Blower Condenser in Air Handler Straight Cool or Heat Pump Air Conditioner - Guaranteed to Last 5 Years
Brand: PowerWell

A capacitor is an electric component that temporarily stores an electrical charge. A "run capacitor" supports electric motors, such as in air conditioner or heat pump units, a fan motor and a compressor motor. The capacitor has two terminals.
Capacitors come in a variety of sizes, depending on the capacitance (µF or MFD), such as 40 plus 5 µF, and also the voltage. A 440 volt capacitor can be used in place of a 370 volt, as it is build better, but the 370 can’t be used in place of a 440 volt. It will work for a while and will fail prematurely, as exceeding the capacitor's rated voltage will cause the dielectric to break down and the capacitor to short out. Same as an electric wire- 600V rated wire is better than 300V one .The capacitance(µF or MFD) must be the same or stay within 10%+ or 5%- of its original value . Example: 50 µF cap can be substituted by 47.5 to 55 µF with the same or better voltage ratings capacitor . Round oval-shaped run capacitors are commonly used for air conditioning, to help in the starting of the compressor and the condenser fan motor.
You will ask “Why I need a Cap that is rated 440V in my A/C?”
Answer: You need to realize that a motor is an inductive device. When the supply voltage is applied to the motor run winding, the voltage across the start winding will be increased to a higher voltage value. A motor acts like a transformer with the run winding acting as the primary and the start winding acting as the secondary. This is why the capacitor has a much higher voltage rating than the 230 being the supply voltage.
If a Capacitor is not EIA-456-A approved means it is not approved for US market.

7.5uf ( 7.5MFD ) 370 Volt or 440 Volt Capacitor. Replaces BOTH 370VAC & 440VAC capacitors
OVAL motor run capacitor. Can size measures 2" Wide , 3" Tall and 1.25 " thick. Operating temperature range -40 C. to +70 C/ -40F to 158F
Built to the toughest USA standards for AC motor run capacitors including EIA-456-A and IEC 60252-1:2001
GUARANTEED TO LAST 5 YEARS 100% SATISFACTION GUARANTEE .We are extremely passionate about our products and are fanatical about quality control in our workshops.ORDER NOW with peace of mind. No Catches
Replacement for: 1499-5461 , 27L566 , 27L566S , 97F9001 , Z97F9001 , 97F9001BX , 27L566BZ3 , TOCF7.5 , CPT-00120 , TP-CAP-7.5/440