Reed relais work fine, their coil does not draw more than 10mA, they even come sometimes with an integrated diode. The 1A max of the switch seems to be no issue in your case. They are around 2 USD/1.50 Euro
Reed relais work fine, their coil does not draw more than 10mA, they even come sometimes with an integrated diode. The 1A max of the switch seems to be no issue in your case. They are around 2 USD/1.50 Euro