Siemens Positioning Switch

The SW 141 Positioning Switch is used to deliver any manually selected pressure over a range of 0 to 30 psi (0 to 207 kPa). The adjustment knob can be left free to rotate or held in position by snapping the locking ring into position. The switch may be mounted on a wall, duct or control panel up to 1/4-inch (6 mm) thick. Features: Compact design and lightweight construction Non-rising low torque pressure adjustment knob with snap-action locking ring for maintaining pressure setting Easy panel mounting through 1.22-inch (33 mm) diameter knock-out 1/8-inch NPT connection ports Dial label and nomenclature sheet for most applications