www.vishay.com 91 RT500 vishay sfernice document number: 50030 revision 28- j un-02 for technical questions, contact sfer@vishay.com wirewound rheostat/potentiometer features 500 watt at 25c vitreous wirewound protection RT500 panel cut out details mechanical specifications mechanical protection vitreous mechanical travel 300 ?5 operating torque 10 to 50 ncm end stop torque 200 ncm unit weight 1900 g environmental specifications temperature range ? 55 c + 320 c climatic category cctu 454 cei 55/200/56 electrical specifications ohmic range 1 ? to 33k ? tolerance standard ?10% power rating 500 w at 25 c variation law standard linear on request sectorial winding limiting element voltage 3500v d i electric strength 3500vrms insulation resistance 10 3 m ? (500vcc) dimensions in millimeters // // // // 4 holes ? 5.5 ? 12 50 50 screw m5 60 83 + 143 3,5 93 15 108 mounting side 50 2 as - 0 10 - 0 ,05 +
document number: 50030 revision 28- j un-02 www.vishay.com 92 RT500 vishay sfernice for technical questions, contact sfer@vishay.com locking device this is supplied as an option. the available spindle length is according to the panel thick- ness. order reference : dba11. wirewound rheostat/potentiometer nominal resistance ? max. service voltage v max. current through wiper a 1 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k 33k 22.4 27.3 33 40.6 48.4 58.3 70.7 86.5 105 128 153.2 184.3 224 273 330 406 484 584.8 707 865 1050 1283 1532 1843 2240 2730 3322 3500 22.4 18.2 15 12.3 10.3 8.57 7.07 5.77 4.77 3.89 3.26 2.71 2.24 1.82 1.5 1.23 1.03 0.86 0.707 0.577 0.477 0.389 0.326 0.271 0.224 0.182 0.151 0.106 particular characteristics for any special requirement on request : spindle ats, etc. please supply detailed drawing. ? mm 10 without as 50 screw driver slot code distance to mounting plate mm spindles series rte style spindle locking device variation law acc 60jf cg115/4 xxx special design method n optional ohmic value spindle (code) winding rt 500 optional optional l 22k ? as for special spindles please supply detailed drawing 10% options vitreous lacquered ordering procedure tolerance model knob dial other special requirements command knob 60jf (option) dial cg115/4t (option) 4 holes ? 3.5 ? 12 5 6 7 8 9 10 0 1 2 3 4 115 98 4 holes ? 6 98 50 115 marking sfernice trademark, series, style, ohmic value (in ? or k ? ), tolerance (in %), maximum current in a, manufacturing datemar king 21 ? 76 ? 10 16 thumb wheel nut min panel cut-out ? 32 panel 18 24
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