double-throw circuit breaker

double-throw circuit breaker

[¦dəb·əl ‚thrō ′sər·kət ‚brāk·ər]

(electricity)

Circuit breaker by means of which a change in the circuit connections can be obtained by closing either of two sets of contacts.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.