contactor

English

Etymology

From contact +‎ -or.

Pronunciation

• (General American) IPA^(key): /ˈkɑntæktɚ/
• (Received Pronunciation) IPA^(key): /ˈkɒntæktə/

Noun

English Wikipedia has an article on:

contactor

Wikipedia

contactor (plural contactors)

1. (electrical engineering) A relay used to control an electrical power circuit
   • 1951 January, “Diesel-Electric Branch-Line Locomotive for British Railways”, in Railway Magazine, page 71:

     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.

Translations

relay used to control an electrical power circuit

Finnish: kontaktori (fi) German: Schütz (de) n Hungarian: kontaktor Italian: contattore m Polish: stycznik (pl) m Romanian: contactor (ro) n, releu de contactare, releu contactor n Turkish: devre açıcı-kesici, kontaktör Vietnamese: khởi động từ (vi), cái tiếp xúc (vi)

See also

• circuit breaker

Romanian

Etymology

Borrowed from French contacteur.

Noun

contactor n (plural contactoare)

1. contactor

Declension

	singular			plural
	indefinite	definite		indefinite	definite
nominative-accusative	contactor	contactorul		contactoare	contactoarele
genitive-dative	contactor	contactorului		contactoare	contactoarelor
vocative	contactorule			contactoarelor

Spanish

Pronunciation

• IPA^(key): /kontaɡˈtoɾ/ [kõn̪.t̪aɣ̞ˈt̪oɾ]
• Rhymes: -oɾ
• Syllabification: con‧tac‧tor

Adjective

contactor (feminine contactora, masculine plural contactores, feminine plural contactoras)

1. contacting

Noun

contactor m (plural contactores)

1. contactor

Further reading

• “contactor”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025