The Belimo TFRB24 is a 24-volt alternating current (VAC) on/off spring return actuator for HVAC systems. The Belimo TFRB24 has a torque rating of 22 inches per pound, making it ideal for controlling small to medium-sized valves and dampers. When powered by 24 VAC, the actuator rotates to its open position. Once the power is turned off, a spring restores the actuator to its closed position. This basic two-position switch is perfect for controlling air or water flow in applications such as zone dampers, fan coil units, and chilled water valves. The Belimo TFRB24 is renowned for its dependability, longevity, and compact size. Its adjustable stroke length and manual override capability give further versatility for specialized applications. |