… Electrical capacitors, fixed, variable or adjustable (pre-set). …
Explanatory notes
… designed for use in 50/60 Hz circuits and having a reactive power handling capacity of not less than 0.5 kvar … material (dielectric), e.g., air, paper, mica, oil, resins, rubber and plastics, ceramics or glass. They are … contacts from the effects of arcing, for storing and releasing given quantities of electricity, in oscillating …