contactor
nounUS /ˈkɑntæktɚ/ · UK /ˈkɒntæktə/
Etymology From contact + -or.
1
Business, Electrical, Electrical engineering, Electricity, Electromagnetism, Energy, Engineering, Natural sciences, Physical sciences, Physics A relay used to control an electrical power circuit
- Compressed air is used for the operation of certain contactors, the sanders, the horn, and the re-fuelling equipment, but vacuum brakes are fitted to the locomotive.1951 January, “Diesel-Electric Branch-Line Locomotive for British Railways”, in Railway Magazine, page 71:
- Related terms
- circuit breaker