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| Series 118 (R) Commercial 3/4" (19.1mm) Diameter, 2-Watt, Wirewound Variable Resisters Features * Fully enclosed construction * Long rotation life * Optional grounded or insulated rotor construction * Incorporated fixed resistor available * Available with nylon shaft * Bushing mounting style * RoHS compliant Electrical and Mechanical Specifications Resistance Range 1 ohm through 20,000 ohms (linear taper) Resistance Tolerance Standard: 20% Special: 10% Power Rating, Watts 2 watts @ 55C derated to no load @ 105C, linear taper, bushing mounted control on steel panel 4"x4" x .050" (101.6mm x 101.6mm x 1.27mm). Voltage Rating Terminals to mounting surface (insulated types only): High pot test, one minute -- 900 VAC Operating Maximum -- 500 VDC Across end terminals: Determined by resistance value and wattage rating Resistance Tapers Standard: Linear Taps Available None Incorporated Fixed Resistor A fixed resistor can be incorporated at the end of CW or CCW rotation to a minimum of 15% of the total resistance value. The rotation is shortened by an amount proportional to the ratio of the fixed resistor to the total resistance value. Angle of Rotation Total Rotation: 270 5 Rotational Torque Turning Torque: 1/2 to 10 in-oz. (36-720 gf-cm) Stop Strength 4 in-oz. (4.61 Kgf-cm) 1-2 CTS Electronic Components (c) 2006 CTS Corporation. All rights reserved. Information subject to change. 9/30/06 www.ctscorp.com Electrical and Mechanical Specifications Terminal Information Insulated Construction (Standard) The contactor is insulated from the base and connected to the center terminal on the insulated construction. This construction can be supplied with the center terminal and one end terminal at either end of the resistance element or with the center terminal and terminals at both ends of the resistance element. Grounded Construction (Optional) The grounded construction is supplied without a center terminal and the contactor is connected to the case. This construction can be furnished with one end terminal at either end of the resistance element or with terminals at both ends of the element. Bushing Information Standard: 3/8"-32 UNEF-2A thread, .375" (9.53mm) or .250" (6.35mm) long. M9 x 0.75 available. Special: As required in increments of 1/16" (1.58mm) Locating Lugs Standard Position: Left side (with terminals down) supplied, unless otherwise specified. Other Positions: Available with right side only, both left and right, or without lugs. CTS SERIES TYPE 118 CLEARANCE HOLE FOR 3/8-32 THREADED BUSHING CENTER TERMINAL SUPPLIED WITH INSULATED CONTACT ARM CONSTRUCTION. OMITTED ON GROUNDED CONTACT ARM CONSTRUCTION. 1.57 .062 3.96 .156 9.40.05 .370.002 1.52 .060 10.41 .410 10.41 .410 1.57 .062 2.08 .082 4.160.05 .164.002 45 END C.W 45 END C.C.W ROT. OPTIONAL PC TERMINAL POSTION PERPENDICULAR TO MFG. SURFACE. 7.14 .281 1.4 .055 2.790.05 .110.002 40 40 7.95 .313 3/8-32 UNEF-2A TERMINLS 1.98/.078 WIDE X 0.40/.016 270 ROT. 6.35 .250 6.35 .250 19.84 .781 11.13 .438 LOCATING LUG 2.030.38 .080.015 ABOVE MFG SURFACE L A 0.4 0.8 .031 .016 11.13 .438 1.60 .063 DIMENSION: mm INCH Ordering Information 118 G A 3 LOCATING LUG 1 - LEFT 2 - RIGHT 3 - NONE 32 R SHAFT TRIM R - ROUND F - FLATTED K - KNURLED 103 B 1 A- 10% B- 20% D- 5% TAPER 1 - LINEAR RESIST TOLERANCE TERMINAL STYLE J - INSULATED CONSTRUCTION G -GROUNDED CONSTRUCTION MOUNTING STYLE BUSHING A - 1/4" (6.35mm) LONG B - 3/8" (9.53mm) LONG RESISTANCE CODE SHAFT LENGTH 118 SERIES ONLY FROM MOUNTING SURFACE 1/32" INCREMENTS 20 - .625" (15.9mm) 24 - .750" (19.1mm) 28 - .875" (22.2mm) 32 - 1.000" (25.4mm) CODE RESISTANCE 5A0 5 OHMS 500 50 101 100 501 500 102 1K 252 2.5K 502 5K 103 10K 203 20K Metric bushings available. Consult CTS. 2-2 CTS Electronic Components (c) 2006 CTS Corporation. All rights reserved. Information subject to change. 9/30/06 www.ctscorp.com |
Price & Availability of 118GA124K5A0B1
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