The Siemens ZU-35TS is an input module designed for dual zone applications, operating within a voltage range of 18.3 to 23.5 VDC. This module features a supervisory current of 9 mA and can handle an alarm current up to 275 mA. It includes three-position momentary contact test switches, allowing for straightforward system testing and maintenance. The ZU-35TS meets US Coast Guard approval standards, ensuring it complies with rigorous safety requirements. Distributed by BSP Automation, this input module is well-suited for reliable and efficient control in various industrial automation setups.