Belimo PRBUP-3-T-250 Butterfly Valve Actuator NSR ON/OFF 2 X SPDT Switch 24-240V

The Belimo PRBUP-3-T-250 high-performance butterfly valve actuator for HVAC use, having control type On/Off and the operating voltage of 24-240V. It has an additional two SPDT auxiliary switches for added versatility and is contained in a NEMA 4X enclosed housing for versatility in its usage. It functions as non-spring return (NSR) which gives better control of positioning the valve. Applied in chiller isolation, boiler control, and large air handling systems, it has some advantages including high energy efficiency with up to 80% less power used, zero leakage, and installation convenience.