HES91200 — Wall-Mounted Dimmer Pack

Wall-mounted, 12-channel A channel pertaining to a load (also known as control gear or LIU), see entry for load. A ballast has one channel, whereas a dimmer or relay unit can have numerous channels. thyristor A semiconductor device used to switch or control large amounts of power using a small triggering current or voltage. The most common type is an SCR. See the entry for SCR. (leading edge) dimmer suitable for use with tungsten, tungsten halogen, wire-wound (inductive) fed low voltage tungsten halogen or neon lighting loads. The unit is fitted with incoming circuit protection on each circuit and on the control electronics.