The CARLO GAVAZZI RZ3A series is a family of solid-state relays engineered for robust industrial switching applications. These relays are capable of handling high voltages up to 690 VACrms and offer a range of load currents up to 75 AACrms. The design incorporates a built-in varistor for enhanced transient protection, ensuring reliability in heavy-duty environments. Available in both AC and DC control voltage options, the RZ3A relays feature LED status indication for applied control voltage and optional over-temperature alarm. They are ideal for applications such as plastic extrusion machines, thermoforming machines, and electrical ovens.