Murr Miro TH, Opto-coupler, triac 0.5A, 230VAC, screwProduct Overview The Murrelektronik MIRO TH 230VAC SK is a triac based optocoupler module designed for AC to AC switching applications requiring electrical isolation between input and output circuits. This module provides reliable AC switching capability up to 0. 5A at 250VAC output, controlled by 250VAC input signals. The device features compact design with screw terminal connections, making it ideal for AC load isolation, switching, and control