div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Fan Speed Controller Series FSY Features Pressure actuated fan speed control Adjustable pressure for Cut-off High Voltage Triac 800 Volts Integrated protection circuit against voltage src=https:reader034vdocumentsnetreader034viewer20220518015ae6a0137f8b9a6d4f8cf944html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Fan Speed Controller Series FSY Features Pressure actuated fan speed control Adjustable pressure for Cut-off High Voltage Triac 800 Volts Integrated protection circuit against voltage src=https:reader034vdocumentsnetreader034viewer20220518015ae6a0137f8b9a6d4f8cf944html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv