G6H-2-12VDC G6H-2-1DC5 G6H224DC G6H-2-24V G6H-2-24V 通信继电器 G6H-2-24V-100 G6H-2-24VDC G6H-2-3 G6H-2-3 5VDC G6H-2-3-12V