Hoymk Amr-25dd Dc-dc 25a Actually 3-32v Dc to 5-220v Dc Amr 25dd Single Phase Solid State Relay TRIAC Output,Zero Voltage Opens, Zero Current Turnoff Optical Isolation Between the Input Loop and Output Loop Dielectric Strength 2500V Between Input-Output 100% Load Current Aging Test Hoymk AMR-25DD