The Belimo Q86CQU is a genuine Belimo ZoneTight rotary actuator, model CQK24A-SR-T, equipped with a safety function for reliable operation in HVAC systems. This electric actuator delivers 1 Nm of torque, operates on AC/DC 24V, and features precise modulating control (DC 0-10V). It has a power consumption of 1.5W during operation and 0.5W at rest, with a wire sizing of 2 VA. Key features include a motor running time of 75 seconds and a safety running time of 20 seconds. The actuator is protected by an IP40 enclosure and operates within an ambient temperature range of 0 to 50 °C. Its compact design measures 70 mm in length, 50 mm in width, and 120 mm in height, with a weight of 0.2 kg.