Appoldt Solid State Relays SSR 634236 - Appoldt 2108, The Appoldt 2108 POK12/7,5 is a compact DC/DC power optocoupler, measuring 12x62x62mm, used as a solid state relay. It features zero crossing switches for optimal performance in semiconductor switching applications. Typically used in electromechanical systems, this power optocoupler is ideal for semiconductor relay applications. Appoldt 2108 POK12/7,5 Solid State Relay, Low Power Loss, DIN-Rail
