double-throw switch

double-throw switch

[¦dəb·əl ‚thrō ′swich]
(electricity)
A switch that connects one set of two or more terminals to either of two other similar sets of terminals.

double-throw switch

In electric wiring, a switch which can charge the circuit connections by moving the switch blade from one of two sets of contact clips into the other.
References in periodicals archive ?
There will be a double-throw switch for the school.
"Form B" indicates a single-throw, normally closed switch, and "Form C," or "CO" for change over, indicates a double-throw switch. Virtually any contact configuration can be described using this format.
This objective shall be realised via the realisation of test vehicles dedicated to the evaluation process and basic monolithic functionalities such as low noise amplifiers (lnas), High power amplifiers (hpas) and single-pole double-throw switches (spdt) and their single-chip integration (single-chip front-end, Scfe) as demonstrators of the technology.
Double-throw switches were added to prevent the device from being inadvertently turned on when the user is facing it GTl also specified proximity sensors that were built in so that if the wand was too far away from the target area, the unit wouldn't function.