Letter Re

Reduced-Voltage Starter
A type of motor starter that applies less than the full-line
voltage to a three-phase induction motor while it is starting.
There are a variety of reduced-voltage starters. Some types
use electromechanical components and others use electronic
components. Electronic reduced voltage starters are often
referred to as solid-state reduced voltage starters or soft
starters.

Resistance
A property of a material or circuit that opposes current flow.
Resistance is symbolized by “R” and is measured in ohms.


Resistance Temperature Detector (RTD) A device used to sense temperature that varies in resistance as temperature changes.