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| Model E D 0.25" 6.35 mm unenclosed 0.125" 3.18 mm 0.625" 15.88 mm B 0.531" shaft 13.49 mm locking nut (Potentiometers) Wirewound C 0.078" 1.98 mm locking shaft 0.406" 10.32 mm D B D Dimension "M" P 0.875" 22.23 mm N 1.188" 30.16 mm R 1.5" 38.1 mm U 3" 76.2 mm Mounting: Panels to 1.25" (31.75mm) thick with 0.25-20 flat-head screws. C 1.75" 44.5 mm 0.125" 3.18 mm Rheostats Locking shaft standard shaft 0.25" 6.35 mm Mounting: Panels to 0.125" (3.18mm) thick enclosed with 0.25-32 bushing and hex nut (0.063" thick). 0.094" 2.38 mm Model C 0.531" 13.49 mm Mounting: Panels to 0.125" (3.18mm) thick with 0.25-32 bushing and hex 0.25" 6.4 mm nut (0.063" thick). B 0.625" 0.625" 15.88 mm 15.88 mm Models P, N, R, U M M 2" 51 mm B 0.375" 9.53 mm D 0.031" 0.79 mm 0.25" 6.4 mm 0.25" 6.4 mm 0.109" 2.78 mm Standard shaft Models H, J, G, K, L 0.031" 0.79 mm 0.25" 6.35 mm 0.375" 9.53 mm 0.75" 19.05 mm bushing projection 0.625" 15.88 mm holes for no. 8 screws 0.25 - 20 thread for mounting screws 1.563" 39.7 mm 0.5" 12.7 mm D O R D E R I N G I N F O R M AT I O N Series Rheostats Wirewound Potentiometers E = RoHS compliant RCSR50E Resistance Value* Example: R50 = 0.50 1R0 = 1 7R5 = 7.5 250 = 250 1K0 = 1,000 1K75 = 1,750 4K5 = 4,500 50K = 50,000 *Check Table for Standard Resistance Values and Maximum Current Values drill 0.188" (4.76 mm) hole in panel holes for: no. 2 screws (model H) no. 8 screws (J, G, K, L) mounting bracket on model L only 0.031" 0.79 mm 0.344" 8.73 mm 0.875" 22.23 mm 0.063" 1.59 mm B C shaft locking nut locking shaft (only model H stocked) Code Watts Model Shaft Core CL = 7.5 C Locking Enclosed CS = 7.5 C Standard Enclosed EE = 12.5 E Standard Enclosed EL = 12.5 E Locking Open ES = 12.5 E Standard Open GS = 75 G Standard Open HL = 25 H Locking Open HS = 25 H Standard Open JS = 50 J Standard Open KS = 100 K Standard Open LS = 150 L Standard Open NS = 300 N Standard Open PS = 225 P Standard Open RS = 500 R Standard Open US = 1000 U Standard Open standard shaft (models H, J, G, K, L) Mounting: Panels to 0.25" (6.35mm) thick with 0.375-32 bushing and hex nut (0.094" thick) (or with 10-32 x 0.75 F.H. screws for model L only). Dimensions for reference only; consult factory for details. Since all rheostats/potentiometers are electro-mechanical devices, they are subject to mechanical wear and, therefore, have a finite life. Models H, J, K, L and N are listed under UL Reexamination Service File No. E-10946 and CSA File No. 21309 unless noted otherwise. All rheostats are 10% tolerance. See page 82 for knobs, dials, and other hardware Model Type E RES/REL H RHS/RHL J RJS G RGS K RKS L RLS P RPS N RNS R RRS U RUS C RCS/RCL E REE Watts 12.5 25 50 75 100 150 225 300 500 1000 7.5 12.5 Ohmic range 1.0-15K 1.0-25K 0.5-50K 0.5-50K 0.5-50K 0.5-50K 1.0-30K 1.0-50K 1.0-20K 1.0-20K 10.0-5K 1.0-15K Max. Voltage Core (RMS)* open 305 open 500 open 750 open 900 open 1000 open 1200 open 1300 open 1225 open 1450 open 1600 enclosed 305 enclosed 305 Behind panel "B" (In./mm) 0.688/17.46 1.375/34.93 1.375/34.93 1.750/44.45 1.750/44.45 2.000 / 50.8 2.125/53.98 2.375/60.33 2.125/53.98 3.000 / 76.2 0.875/22.23 1.219/30.96 Diameter "D" (In./mm) 0.875/ 22.23 1.560/ 39.62 2.31 / 58.67 2.75 / 69.25 3.125/ 79.38 4.00 /101.60 5.00 /127.00 6.00 /152.40 8.00 /203.20 12.00 /304.80 0.515/ 13.08 1.047/ 26.59 Dimension "C" (In./mm) 0.594/15.08 0.940/23.88 1.56 /39.62 1.78 /45.21 1.91 /48.51 2.28 /57.91 2.97 /75.44 3.44 /87.38 4.31/109.47 6.38/162.05 -- -- Shaft torque 1-6 oz. in. 0.25-0.5 lb. in. 0.25-2 lb. in. 0.5-2 lb. in. 0.5-2 lb. in. 0.5-3 lb. in. 2.5-4 lb. in. 2.5-5 lb. in. 4.5-7 lb. in. 3.5-7 lb. in. 0.25-3 oz. in. 1-6 oz. in. Rotation (5) 300 300 300 300 300 300 310 320 325 335 300 300 * Models H, J, G, and K also available in enclosed versions. * See Catalog #203 for complete details. * RoHS compliant product available. Add "E" suffix to part number to specify. * Made-to-order rheostats available: Contact nearest Ohmite sales office. * Voltage rating dependent on resistance value. Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com 77 S TA N D A R D pA RT N u M b E R S F O R R h E O S TAT S 7.5W Model C RCS--- Std. shaft RCL--- Locking 12.5W Model E RES--- Std. shaft REE--- Enclosed REL--- Locking 25W Model H RHS--- Std. shaft RHL--- Locking 50W Model J Amps max. 75W Model G Amps max. 100W Model K Amps max. 150W Model L Amps max. 225W Model P Amps max. 300W Model N Amps max. 500W Model R Amps max. 1000W Model U Amps max. 31.6 25.8 22.4 20.0 18.3 15.8 14.1 Ohmic value Amps max. Amps max. RGS--- RNS--- RRS--- 0.5 1 1.5 2 2.5 3 4 5 6 7.5 8 10 12 12.5 15 16 22 25 35 40 50 75 80 100 125 150 160 175 200 225 250 300 325 350 400 500 600 700 750 800 900 1000 1200 1250 1500 1600 1750 1800 2000 2250 2500 3000 3500 4500 5000 7500 8000 10000 12500 15000 20000 25000 30000 40000 50000 ---R50 ---1R0 ---1R5 ---2R0 ---2R5 ---3R0 ---4R0 ---5R0 ---6R0 ---7R5 ---8R0 ---10R ---12R ---12R5 ---15R ---16R ---22R ---25R ---35R ---40R ---50R ---75R ---80R ---100 ---125 ---150 ---160 ---175 ---200 ---225 ---250 ---300 ---325 ---350 ---400 ---500 ---600 ---700 ---750 ---800 ---900 ---1K0 ---1K2 ---1K25 ---1K5 ---1K6 ---1K75 ---1K8 ---2K0 ---2K25 ---2K5 ---3K0 ---3K5 ---4K5 ---5K0 ---7K5 ---8K0 ---10K ---12K5 ---15K ---20K ---25K ---30K ---40K ---50K 3.53 2.50 2.24 2.04 1.58 1.44 1.25 1.12 5.00 3.54 2.88 10.0 7.07 5.00 12.3 8.66 6.12 5.00 14.1 10 7.07 5.75 4.47 3.65 3.16 17.3 12.3 8.65 7.07 5.48 4.47 3.88 15.0 10.6 8.66 7.50 6.71 5.49 4.74 17.32 12.24 10.00 8.66 7.75 6.32 3.53 3.88 2.04 1.77 1.58 2.88 3.16 2.50 2.74 2.04 0.86 22.3 18.2 15.8 14.1 12.9 11.2 10.0 7.90 5.48 6.30 0.71 0.91 1.29 1.76 1.50 2.17 1.73 1.19 1.00 0.790 1.23 1.00 0.866 0.630 0.575 1.41 1.15 1.00 2.50 2.0 3.163 3.87 4.47 5.60 7.90 6.33 0.55 0.46 0.39 0.32 0.27 0.22 0.71 0.60 0.50 0.40 0.36 0.32 0.29 0.27 0.25 0.22 1.00 0.845 0.707 0.575 0.500 0.445 2.450 2.070 1.735 1.415 1.225 1.000 3.00 3.46 4.47 3.54 3.16 2.52 2.12 1.73 1.50 1.22 2.45 2.00 1.73 2.00 1.41 1.69 0.612 0.707 0.865 0.775 1.06 1.22 2.11 1.41 0.866 0.655 1.00 1.24 1.83 0.500 0.575 2.39 0.375 0.470 0.19 0.17 0.316 0.408 0.15 0.12 0.19 0.16 0.267 0.222 0.316 0.433 0.388 0.500 0.447 0.750 0.548 0.567 0.866 1.00 0.655 0.817 0.10 0.13 0.182 0.250 0.316 0.365 0.447 0.500 0.578 0.086 0.10 0.155 0.224 0.274 0.316 0.433 0.346 0.500 0.447 0.414 0.387 0.346 0.707 0.071 0.090 0.129 0.176 0.224 0.258 0.387 0.358 0.288 0.577 0.194 0.055 0.046 0.039 0.070 0.060 0.050 0.041 0.035 0.031 0.029 0.100 0.084 0.070 0.058 0.050 0.041 0.035 0.032 0.141 0.119 0.173 0.224 0.259 0.200 0.224 0.182 0.336 0.300 0.500 0.447 0.633 0.100 0.079 0.070 0.058 0.050 0.045 0.041 0.035 0.032 0.123 0.100 0.087 0.141 0.115 0.100 0.141 0.122 = Standard values; check availability Rheostats are silicone-ceramic coated at and above the following ohmic values: Model C: all Model G: 5000 Model E: 3500 Model K: 7500 Model H: 7500 Model L: 7500 Model J: 15,000 Check product availability at www.ohmite.com 78 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com RUS--- RKS--- RPS--- RLS--- Part No. Prefix Suffix Amps max. RJS--- 11.2 10.0 8.95 4.47 3.65 3.16 1.48 1.41 1.15 1.00 0.816 |
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