5.188" overall length 0.375" single connection outside diameter 2.812" overall width 18 single pressure connection thread quantity per inch rectangular npt single pressure connection thread series
2a single mounting facility thread class right-hand single mounting facility 0.937" overall length 0.735" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series
ac voltage 120.0 ; current rating 4.0 amps ; output voltage drop 1.6 peak; pick-up voltage 3.0 vdc, drop-out voltage 1.0 vdc; zero voltage turn on; operating temperature: minus 40 degrees celcius to 100 degrees celcius; dimensions: length 1.680 in. , 1.720 in. ; width 0.380 in. , 0.420 in. ; height 0.960 in. , 1.000 in.
this switch is used for resistance readings of engine thermocouples by waukesha engine. the switch only sees what the thermocouple put out. this resistance is measured in millivolts;
