potentiometre cernet PC20 - Contelec AG - #1

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Errors and omissions excepted. Subject to change without notice. / State: 18.04.09 Contelec AG Portstrasse 38 CH-2503 Biel/Bienne Phone +41 (0)32 3665600 Telefax +41 (0)32 3665604 sales@contelec.ch A company of the Siedle-Group Electrical Data Nominal resistance 20 kOhm Resistance tolerance ±20 % Independent linearity ±2.5 % of meas. range Electrical angle 315 ° Angle tolerance (electrical) ±3 ° Temperature coefficient of the voltage divider 100 ppm/°C Recommended wiper current max. 1 ìA Max. wiper current in case of malfunction 100 mA Power rating P max. 0.75 W/40°C Min. life (electrical) 50’000 cycles Mechanical Data Mechanical range 320 ° Angle tolerance (mechanical) ±2 ° Torque 2…6 Ncm Min. life (mechanical) 50’000 cycles Operating temperature -25 ... +125 °C Storage temperature -55 ... +125 °C Protection class IP67* End-stop strength max. 70 Ncm Draw out force of the shaft min. 40 N / 1min Draw out force of the wires min. 50 N / 1min Permitted torque for nut fixation max. 75 Ncm Standards Insulating resistance (500 VDC, 1bar, 2s) 8 GOhm Dielectric strength (VAC, 50Hz, 1min, 1bar) 1.5 kV Vibration (Amax = 0.75mm, f = 30 … 2000 Hz) 10 g Shock (half sine pulse, 7 ms) 50 g * The wires on customer side have to be sealed to fullfill the protection class of IP67. PC20 Applications • Readout potentiometer Features • Compact dimensions • Elevated torque • High temprerature range • Protection class IP67 Options • Other nominal resistances • Electrical angles between 30° and 315° • Without elevated torque