G5S-1A DC12V G5S-1A-12 G5S-1A-12V G5S-1A-12V 继电器 G5S-1A-12V(2142H2) G5S-1A-12VDC G5S-1A-24V G5S-1A-24VDC G5S-1A-48VDC G5S-1A-5V