Solid-state contactor 3-phase 3RF3 AC 53 / 9.2 A / 40 °C 48-480 V / 110-230 V AC 2-phase controlled Instantaneous switching screw terminal solid-state contactor SIRIUS 3RF34 for switching motors for frequent activation/deactivation, e.g. in conveyor systems. The devices are non-wearing and silent and are therefore ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching frequencies. As the heat sink is already integrated, they can be used directly in the control panel. The compact design saves space on the mounting rail The devices are approved for worldwide use (e.g. IEC and UL/CSA). The solid-state contactors are available in two widths for different power ratings and operating voltages. They are designed for AC or DC operation and are available with screw or spring-type terminals. Link modules, adapters and labels are available as accessories. Simple, efficient and always up to date – SIRIUS modular system.