Mars Blue Box Motor Run Capacitor, 40/6 Mfd, Dual Section 440/370 Volt Round (12220)

About the Mars 12220

Save on the Mars 12220 Dual Motor Run Capacitor, 40/6 MFD, 440V, Round here at PlumbersStock. Motor run capacitors alter the current, creating a rotating magnetic field in single-phase induction motors. This Blue Box series has a reputation for producing the most reliable motor run capacitors. The initials MFD stand for Microfarad (a millionth of a Farad), which is a measurement of the capacitor's capacity. Mars replacement parts can be hard to find, so contact us if you have any problems.

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