Resistance in the linear potentiometer, activities brush, durability, reliability, stability. Lap wirewound potentiometers RA24Y ... current, durability, stability, high reliability and long service life, use of the instrument, speed, welding control, sound adjustment, LED lamp DC dimming ... Office patent, Patent Number: "ZL2006 10062712.1" RA24Y series of products : RA24Y-15S-3W-10 ohm, RA24Y-20S-3W-10 ...