Belimo's IP66/67 NEMA 4X Rotary Actuators offer a versatile range for HVAC systems. The SMQ and GM series provide non fail-safe options with nominal voltages of 24V and up to 230V, supporting damper sizes up to 8m² and torque up to 40Nm. The fail-safe ranges, including NF, SF, and GK, cater to diverse requirements with voltages from AC24V to 240V, and DC24V to 125V, ensuring compatibility across a broad spectrum of installations. These actuators are designed for precise control and reliability in demanding environments.