G6J2FLY5DC G6J-2FL-Y-5V G6J-2FL-Y-5V 通信继电器 G6J-2FL-Y-5VDC G6J-2FL-Y-5VDC 通信继电器 G6J2FLYDC12 G6J-2FL-Y-DC12 G6J-2FL-Y-DC12V G6J2FLYDC24 G6J-2FL-Y-DC24