The E310 Series from FIRST SwitchTech is a Space Qualified Solid State Relay with Bounce Time 1 ms, Coil Resistance 18 to 1150 Ohms, DC Coil Voltage 6 to 48 V, Drop out Voltage Before Life : 150 mV, After Life : 175 mV, Hold Voltage DC : 2.3 to 14 V. More details for E310 Series can be seen below.