The Siemens RCU50.2U is a room temperature controller designed specifically for both VAV and CAV HVAC systems. It features a proportional output signal of 0 to 10 VDC, allowing precise control of room temperature. The device includes a manual fixed changeover option for heating, cooling, or off modes, making it flexible for various operational needs. Powered by 24 VAC (±20%) at 50/60 Hz and consuming only 6 VA, it ensures efficient energy use. Its IP30 rating provides basic protection against dust and contact, suitable for typical indoor environments. This temperature controller is available through BSP Automation, offering a reliable solution for maintaining comfortable and consistent indoor climates.