Terms containing operating relay

Subject	English	Spanish
IT, el.	operating relay	relé de mando
IT, el.	operating relay	relé de control
coal.	operating relay for protection against failure of earth continuity	relé de protección de continuidad de tierras
transp., el.	points-operating relay train	relé de mando de aguja
el.	test for operating direction of relay	prueba de dirección