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| RA25 Series TOCOS PA N E L C O N T R O L S (R) 25mm Diameter, Single-Turn, Wirewound Industrial Panel Controls RA25Y RA25YG RA25YPR Features 25mm diameter, single-turn industrial panel controls Wirewound element Linear or audio tapers Single and tandem units, single shaft; dual unit, dual shaft Metal shaft and bushing Shaft lock models available Panel mounting styles only Right angle ear-lug terminals 6mm diameter shafts in slot, flat or round end styles Standard 15mm or 20mm shaft length Low operating temperature option of 10 C or 30 C, up to 100 C Specifications Electrical Standard Resistance Range . . . . . . . . . . . B = 5 to 20k A,C = 100 to 5k Resistance Tolerance . . . . . . . . . . . . . . . . . 10% standard ( 5%, 2% or 1% special order ) End Resistance . . . . . . . . . . . . . . . . . . R ! 500 = 1 max. R 0 500 = 0.2% max. Resistance Taper . . . . B = linear; A = CW audio (logarithm); C = CCW audio (logarithm); RA25YPR model is linear only. Power Rating . . . . . B = 1.2 watts; A,C = 0.6 watt, at 40 C Insulation Resistance . . . . . . . 100M minimum at 500VDC Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute Theoretical Resolution Resistance ( ) 5 10 20 50 100 200 Resolution ( % ) 1.93 1.32 0.85 0.62 0.45 0.38 Resistance ( ) 500 1,000 2,000 5,000 10,000 - Resolution ( % ) 0.29 0.19 0.26 0.19 0.15 - Environmental Temperature Range . . . . . . . . . . . . . . Y = or X = 10 C to 30 C to 100 C 100 C Temperature Characteristics . . . . . . . . . . . 85 C, 5 hours without load T/R ) 5% Low Temperature Exposure . . . . . . . 10 C ( Y ), 30 C ( X ) 1 hour without load T/R ) 3% Load Life . . . . . . . . . . . . 40 C, 1,000 hours with rated load T/R ) 3% Moisture and Load Life . . . . . . . . . . . . 40 C, 90-95%RH, 500 hours with 1/10 rated load T/R ) 5% Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude, 2 directions, 2 hours each T/R ) 1% Soldering Heat Resistance . . . . . . . . . 350 C, 3.5 seconds; T/R ) 2% Rotational Life . . . . 15,000 cycles (500 cycles for shaft lock models only) with 1/2 rated load T/R ) 3% R = Total Resistance Value; T/R = Total Resistance Change Mechanical Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 300 5 Shaft Torque Single Unit . . . . . . 71.4 to 306 gf* cm (0.99 to 4.242 oz*in) Tandem Unit . . . 71.4 to 714 gf* cm (0.987 to 9.899 oz*in) Dual Unit . . . . . . 71.4 to 459 gf* cm (0.987 to 6.363 oz*in) Stop Strength . . . . . . . . . . . . 10.2 kgf* cm (141.4 oz*in) max. Mounting Nut Torque . . . . . . 15 kgf*cm (207.94 oz*in) max. Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds Marking . . . . . . . . . . Taper, resistance, resistance tolerance, terminal identification, date code TOCOSAMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com 57 RA25 Series RA25Y & RA25X Panel Mount, Single Unit, Single Shaft Right Angle Ear-Lug Terminals Dimensions Unit: mm Recommended Panel Mounting Holes RA25YL & RA25XL Panel Mount, Single Unit, Single Shaft with Shaft Lock Right Angle Ear-Lug Terminals Recommended Panel Mounting Holes RA25YPR Panel Mount, Single Unit, Single Knurled Shaft with Push-Lock Right Angle Ear-Lug Terminals Recommended Panel Mounting Holes 58 1177 East Tower Road, Schaumburg, IL 60173 TOCOSAMERICA, INC. Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com RA25 Series RA25YG Panel Mount, Ganged Tandem Unit, Single Shaft Right Angle Ear-Lug Terminals on Each Unit Dimensions Unit: mm Recommended Panel Mounting Holes RA25YGL Panel Mount, Ganged Tandem Unit, Single Shaft with Shaft Lock Right Angle Ear-Lug Terminals on Each Unit Recommended Panel Mounting Holes RA25YD Panel Mount, Dual Unit, Dual Concentric Shaft Right Angle Ear-Lug Terminals on Each Unit Recommended Panel Mounting Holes TOCOSAMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com 59 RA25 Series RA 25 Y L 20 S B 103 K Part Numbering System NOTE: FMS = From Mounting Surface Resistance Tolerance: K J G F = = = = 10% (standard). 5% (special order ). 2% (special order ). 1% (special order ). Resistance Code: Expressed in ohms. A three digit code where the first two digits are significant figures, and the third digit indicates the number of zeros that follow these figures. R indicates decimal point for resistance less than 10 (i.e., 5R0 = 5; 100 = 10; 101 = 100; 102 = 1,000; 103 = 10,000 ). See table for standard resistance values. For Single Unit: Specify taper and resistance code as shown. For Ganged Tandem Unit or Dual Unit: Specify a taper code and resistance code for each unit starting with the front unit followed by the rear unit. If both units have the same taper and resistance codes, add "X2" suffix per example below. Examples: B103A503 or if both units are the same: B103X2 Resistance Taper: B = Linear. A = CW Audio (logarithm). C = CCW Audio (logarithm). Shaft End Style: S = Slotted. F = Flatted. R = Round (RA25YPR model has knurled end style.) For Single Shaft: Specify the shaft length (FMS) and shaft end style as shown. For Dual Concentric Shaft: Specify the shaft length (FMS) and shaft end style for the inner shaft followed by the shaft length (FMS) and shaft end style for the outer shaft. Use a dash (-) to separate the code groups for the inner and outer shaft specifications. Example: 30R-20R Standard Shaft Length: 15 = 15 mm FMS. 20 = 20mm FMS. Up to 50mm shaft length available (special order ). Style: Blank = Panel Mount, Single Unit, Single Shaft, Right Angle Ear-Lug Terminals. L = Panel Mount, Single Unit, Single Shaft with Shaft Lock, Right Angle Ear-Lug Terminals. PR = Panel Mount, Single Unit, Single Knurled Shaft with Shaft Lock, Right Angle Ear-Lug Terminals. G = Panel Mount, Ganged Tandem Unit, Single Shaft, Right Angle Ear-Lug Terminals on Each Unit. GL = Panel Mount, Ganged Tandem Unit, Single Shaft with Shaft Lock, Right Angle Ear-Lug Terminals on Each Unit. D = Panel Mount, Dual Unit, Dual Concentric Shaft, Right Angle Ear-Lug Terminals on Each Unit. Operating Temperature Range: Y = X= Size: 25 = 25mm Diameter. TOCOS Series Name: RA = Wirewound Element. 10 C to 100 C. 30 C to 100 C. Standard Resistance Values and Part Numbering Codes Standard Nominal Total Resistance Values and Part Numbering Codes Resistance ( ) 05 10 20 50 Code 5R0 100 200 500 Resistance ( ) 100 200 500 Code 101 201 501 Resistance ( ) 1,000 2,000 5,000 Code 102 202 502 Resistance ( ) 10,000 20,000 Code 103 203 Refer to Shaft End Styles Specifications and Hardware Specifications for details and availability. For additional information, refer to Guidelines and Precautions for Using Panel Controls. 60 1177 East Tower Road, Schaumburg, IL 60173 TOCOSAMERICA, INC. Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com |
Price & Availability of RA25XG20FB103A503100F
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