Series 43 and 11/8 in. Diameter, 2 and 4 Watt Wirewound Potentiometers Features * Economical Versatile - various mounts, terminal & shaft configurations * High torque available Shaft & mounting seals available * Multiple gangs available * Concentric shafts available + Printed circuit terminals * High voltage standoffs Non-metalic shaft * Backlash construction (venier application) Bete Description Series 43 1 1/8 in. diameter, 2 watt, wirewound potentiometers Series 43M/RA20 Military version of the 43 series meeting strict military standard MIL-R-19 Series A43 Pick-A-Shaft version of the 43 series. penes.40 ne ance niemsinns Series 43 Electrical Specifications 1 to 50KQ linear; please consult Resistance Range Factory for non-linear. Resistance Tolerance (please consult Factory). Power Rating (Watts) 0@ 105C. Watts/Degree maximum Effective Rotation special; 260 5 with switch Electrical Rotation Tapers 90Q per degree maximum Independent Linearity +5% standard; +1% special* +10% standard; +5% to +1% special* Single section: 2 @ 40C; 0@ 105C. Each additional section: 1.5 @ 40C; .0071 watt per degree of effective rotation 280 +5 without switch; less than 280, 300 +5 with and without switch eries 45 Electrical Specifications : 4@ 40C; 0@ 135C. Each additiogal section: 3 @ 40C; 0@ 135C. .014 watt per degite of effective rotation maximum 280 +5 without switd special; 260 5 with ; less than 280, 300 +5 with and without 36Q per degree maximum +5% standard; +1% special* Electrical specifications continued, nex! page 76Electrical specifications continued End Resistance whichever is greater. Dielectric Withstanding Voltage Working Voltage 310 volts maximum Switches characteristics. Location of Tap and Tolerance position and limits. Insulation Resistance 100 Megohms minimum 1 to 50 Q 0.3Q; 51 to 100Q 0.5. Over 100Q 0.2% of total or 12, 1000 Vac for 60 seconds @ ATM. 450 Vac for 60 seconds @ 3.4 in. Hg. S.P.S.T., S.P.D.T., D.P.S.T., See Figure 3, page 78 for switch One available any position of effective rotation; tap tolerance +10% of total resistance. Specify electrical or angular 1 to 50 QO 0.39; 51 to 100Q -0.5Q. Over 100Q 0.2% of total or 1Q, whichever is greater. 1000 Vac for 60 seconds @ ATM. 450 Vac for 60 seconds @ 3.4 in. Hg. 350 volts maximum S.P.S.T., .P.D.T., D.P.S.T., See Figure 3, page 78 for switch characteristics. One available any position of effective rotation; tap tolerance +10% of total resistance. Specify electrical or angular position and limits. 100 Megohms minimum Series 43 Mechanical Specifications Mechancial Rotation 300 5 with and without switch; 360 special Stop Torque 8 Ibs. in. maximum * ay Torgue Range ee) 0.5 to 6 oz. in.; 15 oz. in. incrse*for switch actuation. Locking type bushing: 25 oz. in. minimum with jam nut tightened to 10 Ib. in. * Maximum Number of Sections Two recommended, three available Weight Single .077 Ib. without switch. Additional section 0.041 Ib.; .087 lb. with switch. Hardware Must be ordered separately. (a)Hex mounting nut, 3/8 in. (9.53mm) x 32 thread 1/2 in. (12.7mm) across flats, 3/32 in. (2.38mm) thick. (b)Internal tooth lockwasher 11/16 in. (17.46mm) O.D. x .022 in. (0.56mm) thick. (c)Jam hex nut 1/2 in. (12.7mm) across flats, 7/32 in. (5.56mm) thick, supplied on locking type bushing. Marking Will appear on rear surface without switch. On periphery when switch is used. Unless otherwise specified, marking will consist of (a) Customer part number or Clarostat part number, (b) EIA source and date code. Series 43 Operational Specifications Potentiometers per MIL-R-19 specifications, Style RA20 (43 series only) Resistance Range 3Q to 1SKQ A taper. For C and E tapers, please consult Factory. Operating Temperature Range -55C to 105C *Dependent on design parameters. NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE. Figure 1 : Resolution Graph 0 1 os = @ TOTAL RESOLUTION Bi Clis 77RATED POWER IN PERCENT Figure 3 AE Switch Dimensions Type Number AE-10 AE-I1 AE-13 *AE-20 AE-21 AE-23 *AE-24 AE-25 AE-30 Switch S.P.8.T. S.P.S.T. S.P.S.T. DP.S.T. DP. D.P.S.T. D.P.S.T. D.P.S.T. 5.P.D.T. Terminal Max. Operating Variations la, 250V; 3a, 125 (ac or de) la, 250; 3a, 125V with bussing terminal (ac or de) 15a, 10V (de only) la, 250V; 3a, 125V (ac or de) | pole on, | pole off-la, 250; 3a, 125 (ac or de) 15a, 10V (de only) la, 250V; 3a, 125V {ac or dc) Reverse action 250 ma. 24 Vde (dry circuit) la, 250V; 3a, 125V (ac or de) Pasitions 1-2 1-2-4 1-4 1-2-3-4 1-2.3-4 1-2-3-4 1-2-3-4 1-2-3-4 2-3-4 Torque-Oz.In, 12 12 16 16 16 16 16 12 16 *May be employed as a single pole, single throw, two circuit switch. To designate this application add an A to the end of switch type. Example: AE-20A4. Design details may change without notice; certified drawing available on request. *Unless Otherwise Specified 78Figure 4 Series 43 Dimensions MR tVe a + at ca () TF bale YX Fl Cree Sa on) OPTIONAL SPLIT BUSHING JAM NUT SUPPLIED Series 43 Standard Resistance Values Series 43M/RA20 Standard Styles & Values Stock values fabricated in accordance with MIL-R-19 RA20NASA: Linear, 3Q to 15K where applicable. RA20NASD: Linear, 3Q to 15K RA20LASB: Linear, 3Q to 15K 5 75 500 4000 30K RA20LASD: Linear, 3Q to 15K 10 100 750 5000 40K 20 150 1000 7500 50K Ordering Codes 25 200 1500 10K 30 250 2000 15K 30A ISIA 351A 40 300 2500 20K 60A 152A 352A 50 400 3000 25K 80A 153A 500A 100A 200A SOIA 102A 202A 750A Example: 4301-5000 103A 250A TS1A P 150A 350A 752A Resistance Value 43C1 = 2 in. (50.8mm) round shaft FMS; (Ohms) 3/8 in. (9.53mm) long bushing with 3/8-32-NEF-2A thread, 43C2 = 5/8 in. (15.88mm) screwdriver slotted shaft FMS; with a 1/2 in. (12.7mm) split locking bushing with 3/8 in, (9.53mm)-32-NEF-2A thread. 79SAL Ahir a a Shaft Length from Mounting Surface me i lo A A=None Significant B = Rotary Digits SPST First two Bushing digits N = Standard, 3/8 in. (9.53mm) long x 3/8 x L= Cocicg: 2 in. See table, next column (12.7mm) long x 3/8 x 32-NEF-2A Shaft Style Number of S = Shaft & panel seal, = Slotted Zeros That standard F = Flatted Follow T = Shaft & panel seal, locking standard A =+10% Linear *C = Log CW 110% *E = Log CCW +10% *10% resistance at 50% mechanical rotation. RA20: C & E application 10 ohm thru 5K ohm. Shaft Bushing Bushings LengthCode N&S L&T A 1/2 in (12.7mm) N/A B N/A 5/8 in. (15.88mm) D 7/8 in. (22.23mm) 7/8 in, (22.23mm) G 1 1/4 in. (31.75mm) 1 1/4 in. (31.75mm) K 2 1/2 in. (63.5mm) N/A N/A = Not available Series 45 How To Order Series 45 available as special order only. Consult Factory for pricing, delivery and minimums.Se CR Ue hy 2 Watt LG EN VIC Li Om U ACUI THm et) CHT atl f Description Pick-A-Shaft controls take any shaft listed on the next page including high voltage coupler and insulated shaft. Your choice of one of the 13 shafts listed (this does not include insulated shaft) with each control. If shaft is not specified, it will be supplied with RS-2. A-43 is without switch whileA43S has factory attached SPST switch. Tolerance +10% all values, All contols linear. Items not listed are special; prices and information on request. Controls with other than SPST switches are special; prices and information supplied upon request. STIELS Figure 5 Series A43 Dimensions [1b btenen 50.75) WOUNTING SURFACE {2 iemm] Wong Ein) naan Series A43 Standard Resistance Values Stock Values A43-5 A43-10 A43-20 A43-25 A43-30 A43-40 A43-50 A43-75 A43-100 A43-150 A43-200 A43-250 A43-300 A43-400 A43-500 A43-750 A43-1000 A43-1500 A43-2000 A43-3000 A43-4000 A43-5000 A43-7500 A43-10K A43-15K A43-20K A43-25K A43-30K A43-40K A43-50K 81Figure 6 Series A43S Dimensions 1 u/s Vea MOUNTING SURFACE [aS oy [hdd 0.79] [2Serwn) waa [1mm] naan (sine elo [Sete 0.40} ast o40 Series A43S Standard Resistance Values Stock Values A438-5 A43S-100 A43S-1500 A43S-10 A43S-150 A43S-2000 A43S-20 A43S-200 A43S-2500 A438-25 A43S8-300 A4358-3000 A43S-30 A43S8-400 A43S-4000 A43S-40 A43S-500 A43S8-5000 A438-50 A43S-750 A43S8-7500 A438-75 A43S8-1000 A43S-10K For use with all Clarostat Pick-A-Shaft controls either conductive plastic, or wirewound resistive element. Your choice of shaft furnished, at no extra charge, with each Pick-A-Shaft control. Series A43/A43S How To Order Series + Resistance value Example: A43-100 Luranae thant A43 = Without switch (Ohms) A438 = With SPST switch Shafts Catalog Number Description (1) SS-3/8 3/8 in. (9.53mm) long (Male) to takefemale fitting (2) RS-2 Round shaft, 2 in. (50.8mm)long (3) RS-3/16 Round slotted shaft 3/16 in. (4.76mm) diameter, 3 in, (76.2mm) long (4) KSS-3 Knurled, split shaft, 3 in. (76.2mm) long (5) RS-5 Round shaft, 5 in. (127mm) long (6) FS-5 Flatted shaft, 5 in. (127mm) long (7) KSS8-5 Knurled, split shaft, 5 in. (127mm) long (8) FS-3 Flatted shaft, 3 in. (76.2mm) long (9) RS-3 Round shaft, 3 in, (76.2mm) long (10) DFS-1/2 Double-flatted, Philco-type, 1/2 in. (12.7mm) long Fine-knurled, slotted shaft, 1/4 in. (6.35mm) long (11) FKS-1/4 (12) KFS-3 Knurled, flatted shaft, 3 in, (76.2mm) long (13) FKS-1/2 Fine-knurled, slotted shaft, 1/2 in, (12.7mm) long Catalog Number 59-186 Spacer and Bushing Assemble. Catalog Number RN-3 Non-Metallic Shaft Round 3 in. (76.2mm) long. High voltage shaft for operation up to }OK volts. Attaches to any Clarostat Pick-A-Shaft control. How To Order/Shafts Example: R-2 t f Catalog Number Length of Shaft See: Shafts (above) Inches