www.vishay.com 89 RT230 vishay sfernice document number: 50029 revision 22-jun-05 for technical questions, contact sfer@vishay.com wirewound rheostat/potentiometer features ? 250 watt at 25c ? cctu 05-03b (pa7) ? vitreous style RT230-pa7 panel cut out details mechanical specifications mechanical protection vitreous mechanical travel 300 5 operating torque 1 to 50 ncm end stop torque 200 ncm unit weight 1300 g environmental specifications temperature range C 55c + 320c climatic category cctu 454 cei 55/200/56 electrical specifications ohmic range 1 ? to 22k ? tolerance standard 10% power rating 250 w at 25c variation law standard linear on request sectorial winding limiting element voltage 1500v d i electric strength 2000vrms insulation resistance 10 3 m ?( 500vcc) dimensions in millimeters 50 ? 12 2 holes ? 5.5 + 83 60 screw m5 143 3,5 + - 0 10 - 0, 05 75 50 2 as 60 15 mounting side
document number: 50029 revision 22-jun-05 www.vishay.com 90 RT230 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 : dba10. 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 15.2 18.6 22.5 27.6 32.9 31.5 48 58.7 71.1 87.1 104 125 152 186 225 276 329 395 480 587 711 871 1040 1250 1500 1940 2000 15.2 12.4 10.2 8.36 7 5.82 4.80 3.92 3.23 2.64 2.21 1.84 1.52 1.24 1.02 0.836 0.700 0.582 0.480 0.392 0.323 0.264 0.221 0.184 0.150 0.13 0.091 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 wirewound rheostat/potentiometer series style spindle locking device variation law acc 60jf cg115 xxx special design method n optional ohmic value spindle (code) winding rt 230 optional optional l 10k ? as for special spindles please supply detailed drawing 10% options vitreous ordering procedure tolerance model knob dial other special requirements command knob 60jf (option) dial cg115 (option) 4 holes ? 3.5 ? 12 5 6 7 8 9 10 0 1 2 3 4 115 98 2 holes ? 6 98 50 115 marking sfernice trademark, series, style, ohmic value (in ? or k ? ), tolerance (in %), maximum current in a, manufacturing date 21 ? 76 ? 10 16 thumb wheel nut min. panel cut-out ? 32 panel 18 17
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