Translation for "three pins" to spanish

Three pins

• tres pines

Translation examples

tres pines

That's a three-pin lock.
Esta es una cerradura de tres pines.

I have located what I presume is the recharging socket, but for some strange reason, it doesn't have the standard three-pin adaption.
He encontrado lo que supongo es el enchufe de recarga, pero por alguna extraña razón, no tiene el adaptador estándar de tres pines.