Meanings
nouncontactor (plural contactors)
plural contactors
- businessA 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
Origin
Translations
Finnish kontaktori
- kontaktorirelay used to control an electrical power circuit
German Schütz
- Schützrelay used to control an electrical power circuit
Hungarian kontaktor
- kontaktorrelay used to control an electrical power circuit
Italian contattore
- contattorerelay used to control an electrical power circuit
Polish stycznik
- stycznikrelay used to control an electrical power circuit
Romanian contactor, releu de contactare
- contactorrelay used to control an electrical power circuit
- releu de contactarerelay used to control an electrical power circuit
- releu contactorrelay used to control an electrical power circuit
Turkish devre açıcı-kesici, kontaktör
- devre açıcı-kesicirelay used to control an electrical power circuit
- kontaktörrelay used to control an electrical power circuit
Vietnamese khởi động từ, cái tiếp xúc
- khởi động từrelay used to control an electrical power circuit
- cái tiếp xúcrelay used to control an electrical power circuit
Cite this entry
APA
contactor. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/contactor
MLA
“contactor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/contactor. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “contactor,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/contactor.
Source: contactor on Wiktionary, CC BY-SA 4.0.