Siemens SITRANS WM100

The Siemens SITRANS WM100 is a zero speed alarm switch designed for reliable monitoring of rotating equipment. It operates on 115/20 VAC at 50/60 Hz and features a single-pole double-throw (SPDT) Form C relay, making it suitable for a range of control applications. The device can handle up to 3,000 pulses per minute and has a measuring gap of up to 100 mm (4 inches), allowing it to detect very low or zero speeds accurately. Built to withstand temperatures from -40 to +60 °C (-40 to +140 °F), the SITRANS WM100 offers durable performance in demanding environments. This product is available through BSP Automation, providing a dependable option for speed monitoring needs.