250 www.meder.com meder electronic cylindrical reed sensors description applications mk14 series ? position and limit switch pneumatic or hydraulic actuator position ? end motion detection for linear drive indication and end travel limit switch ? limit and motion detection for machine industry dimensions all dimensions in mm [inch] features high power switches available other cables, connectors and colors available various case sizes available five operate sensitivities available a choice of cable terminations and lengths are available ? ? ? ? ? mk14 sensors are magnetically operated reed proximity switches in a 4.0 mm diameter miniature module, ftted with interconnect cable. the sensor should be mounted on a fxed surface with the actuating magnet on the moving surface. introduction or removal of the magnetic feld determines the closing and opening of the reed switch.
251 www.meder.com meder electronic mk14 series magnetic sensitivity termination part number example mk14 - 1a66 c - 200 w 1a is the contact form 66 is the switch model c is the magnetic sensitivity 200 is the cable length (mm) w is the termination order information for wire and termination details please consult factory. form c version requires 3 conductors. cylindrical reed sensors sensitivity class pull in at range b 10 - 15 c 15 - 20 d 20 - 25 e 25 - 30 series contact form switch model magnetic sensitivity cable length (mm) termination mk14 - xx xx x - xxx x options 1 form a 66 b, c, d, e 200 * w 1 form b 1 form c 90 * other cable lengths available w the cable cut length includes: 5 mm of wire stripped and tinned
252 www.meder.com meder electronic cylindrical reed sensors mk14 series contact data all data at 20 c switch model contact form switch 66 form a contact ratings conditions min. typ. max. unit switching power any dc combination of v & a not to exceed their individual max.s 10 w switching voltage dc or peak ac 200 v switching current dc or peak ac 0.5 a carry current dc or peak ac 1.25 a static contact resistance w/ 0.5 v & 10 ma 150 p dynamic contact resistance measured w/ 0.5 v & 50 ma , 1.5 ms after closure 200 p insulation resistance across contacts 100 volts applied 10 10 * breakdown voltage across contact voltage applied for 60 sec. min. 225 * vdc 2shdwh7phfo%rfh measured w/ 100 % overdrive 0.5 ms 5hohdvh7ph measured w/ no coil suppression 0.1 ms capacitance at 10 khz cross contact 0.2 pf contact operation ** must operate condition 6whdvwdwhho 10 30 7 must release condition 6whdvwdwhho 4 27 7 environmental data shock resistance 1/2 sinus wave duration 11 ms 50 g vibration resistance from 10 - 2000 hz 20 g pehw7hpshdwh 10c/ minute max. allowable -20 85 o c 6wrf7hpshdwh 10c/ minute max. allowable -35 85 o c 6roh7hpshdwh 5 sec. dwell 260 o c 3ohdvhrwh7khfdwhhohfwfdodwddhpd[ppdohvdfddrdvkhv a more sensitive switch. * insulation resistance of 10 12 and breakdown voltage of 480 vdc is available. 7khvhdhvhihwrwkhfwprh5hh6wfkhvhvfehr5hh6wfkvhfwr consult factory if more detail is required.
253 www.meder.com meder electronic mk14 series contact data cylindrical reed sensors all data at 20 c switch model contact form switch 90 form b / c contact ratings conditions min. typ. max. unit switching power any dc combination of v & a not to exceed their individual max.s 20 w switching voltage dc or peak ac 175 v switching current dc or peak ac 0.5 a carry current dc or peak ac 1.0 a static contact resistance w/ 0.5 v & 10 ma 150 p dynamic contact resistance measured w/ 0.5 v & 50 ma , 1.5 ms after closure 250 p insulation resistance across contacts 100 volts applied 10 9 breakdown voltage across contact voltage applied for 60 sec. min. 200 vdc 2shdwh7phfo%rfh measured w/ 100 % overdrive 0.7 ms 5hohdvh7ph measured w/ no coil suppression 1.5 ms capacitance at 10 khz cross contact 1.0 pf contact operation ** must operate condition 6whdvwdwhho 15 40 7 must release condition 6whdvwdwhho 7 environmental data shock resistance 1/2 sinus wave duration 11 ms 50 g vibration resistance from 10 - 2000 hz 20 g pehw7hpshdwh 10c/ minute max. allowable -20 85 o c 6wrf7hpshdwh 10c/ minute max. allowable -35 85 o c 6roh7hpshdwh 5 sec. dwell 260 o c 3ohdvhrwh7khfdwhhohfwfdodwddhpd[ppdohvdfddrdvkhv a more sensitive switch. 7khvhdhvhihwrwkhfwprh5hh6wfkhvhvfehr5hh6wfkvhfwr consult factory if more detail is required.
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