G6RN-1 DC18 G6RN-1 DC24 G6RN-1 DC24 BY OMB G6RN-1 DC24V G6RN-1 DC48 G6RN-1 DC48 BY OMB G6RN-1 DC5 G6RN-1 DC5 BY OMB G6RN-1 DC5 继电器 G6RN-1 DC5V