double-pole single-throw switch

double-pole single-throw switch

[¦dəb·əl ¦pōl ¦siŋ·gəl ¦thrō ′swich]
(electricity)
A four-terminal switch or relay contact arrangement that simultaneously opens or closes two separate circuits or both sides of the same circuit. Abbreviated dpst switch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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