Carlo Gavazzi RGC2 and RGC3 two- and three-phase solid-state relays (SSR) with integrated heatsink, zero-cross switching, for DIN-rail mounting (higher-current versions with forced fan cooling). Voltage 42–660 VAC, built-in varistor, control 5–32 VDC or 20–275 VAC/24–190 VDC. Insulation 4000 Vrms to the enclosure, overvoltage category III 6 kV, SCCR 100 kA, motor loads up to 20 kW. Applications: contactless switching of three-phase heaters and motors in substation cabinets and trackside equipment - turnout heating control, ventilation, and heating processes.
