proximity sensors 40/50fr series compact two-piece reed proximity switches b74 honeywell 1 micro switch sensing and control 1 1-800-537-6945 usa 1f 1-815-235-6847 international 1 1-800-737-3360 canada 40fr 50fr features 1 magnetically actuated reed switch . . . matching permanent magnet unit 1 compact size 1 long life 1 rhodium plated, hermetically sealed contacts 1 electrically compatible with solid state logic requirements 1 40fr switch and 41fr magnet . . . contact area hermetically glass-to-metal sealed epoxy embedded terminals to prevent shorting epoxy embedded reed for shock and vibration protection 1 50 fr switch and 52fr1 magnet enclosed in high impact thermoplastic housings embedded in epoxy for protection from shock, vibration, environmental abuse particularly suited for use in portable equipment and as a liquid level sensor in a float 40/50 fr order guide contact arrangement catalog listing spno preleaded 40fr1-3 50fr2-3-1 spnc preleaded 40fr2-3-1 50fr3-3-1 spdt preleaded 40FR3-3-1 50fr4-3-1 spno connector 40fr1-33 spdt connector 40fr3-33-1 spno armour cable 40fr1-3-ag1 magnet actuator 41fr2 52fr1 n.o. condition: actuator is not present. specifications electrical ratings all listings dc ac 10 watts max. resistive 10 va max. inrush or res. max. voltage, 100 vdc max. voltage, 132 vac max. current, 300 ma max. current, 750 ma vdc max. current vac max. current 10-20 300 ma 48 300 ma 100 100 ma 120 85 ma 30 300 ma contact resistance: 200 milliohms max. (initial), up to 2 ohms max. during life. insulation resistance: 100 megohms min. at 200 vdc. dielectric strength: 200 vac rms, 60 hz between two wire leads with contacts fully open. application precautions 1. do not subject these switches to the influ- ence of strong magnetic fields. 2. when the magnet is exposed to ferrous filings, a loss of sensitivity can be expected. 3. use arc suppression networks to extend life in inductive circuits. 4. do not subject these switches to extreme vibration. micro switch cables for connector versions order guide type catalog listing 2 m straight micro connector 804000a09m020 5 m straight micro connector 804000a09m050 2 m right angle micro connector 804001a09m020 5 m right angle micro connector 804001a09m050 electrical life: up to 30,000,000 operations, depending on load. virtually infinite life at reduced loads. temperature range: 40 to + 125 c ( 40 to + 257 f) material: housings 40 fr- polycarbonate, 50 fr- glass filled diallyl phthalate (dap) wire insulation 40/50 fr- extruded polyal- kene.
proximity sensors 40/50fr series compact two-piece reed proximity switches honeywell 1 micro switch sensing and control 1 1-800-537-6945 usa 1f 1-815-235-6847 international 1 1-800-737-3360 canada b75 operating characteristics 40fr 50fr sensitivity* spno operate point 19,8 7,6 11,4 3,8 .780 + .225 .450 + .150 release point 42,7 max. 17,8 max. 1.68 max. .700 max. hysteresis 2,54 min. 2,54 min. .100 min. .100 min. * based on head-on mode and 2 inch (50,8 mm) mounting centers. closer spacing may result in re- duced sensitivity. mounting dimensions mm in. (for reference only) 40fr1-3 40fr1-33 / 40fr3-33-1 2-wire dc type sensor pinout pin 1 common pin 2 no function pin 3 n.c. pin 4 n.o. 41fr2 magnet actuator is same dimensions except no leadwire or connector. 40fr1-3-ag1 50fr 52fr1 2-wire non-polarity sensitive (shown on wire) 1-20 common 2-20 n.o. 3-20 n.c. proximity
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