UL Listed American Standard Four-Phase Five-Wire Generator Socket L21-30 Locking Plug and Receptacle

This is a UL listed American standard four-phase five-wire generator socket, model L21-30, with a locking mechanism to prevent accidental disconnection. It is designed for industrial use. The product has a 3C certificate number 2019010201267159 and is specifically for foreign trade. The rated voltage range is above 50V and up to 440V.