H-23-6A Bourns

Features Black on polished chrome background No backlash Compact - requires minimal panel space RoHS compliant* (22.2 mm diameter requirement) For use with precision potentiometers or other rotating devices, up to 15 turns Designed for metal shaft High Force Click Brake H-23 Turns-Counting Dial Mechanical and Physical Characteristics Number of Turns .............................................................................................................................................................................0 to 15 Dial Divisions ............................................................................................................................................................................ 50 per turn Readability - Over 10 Turns ...............................................................................................................................................2 parts in 1000 Torque With Brake Engaged ...................................................................................................................6.95 oz-in. (500 g-cm) minimum Markings ......................................................................................................................................Black on polished chrome background Locking Brake ...................................................................................................................................................................................... Yes Weight ......................................................................................................................................................................... 15 grams (0.53 oz.) Set Screw ......................................................................................................................................................... UNC N2-56, one included Set Screw Tightening Torque .............................................................................................................. 16.94 N-cm (1.5 lbs.-in.) minimum Hex Key Size ........................................................................................................................................................................... 0.05 in. hex Shaft and Bushing Requirements Shaft Diameter Requirements ................................................................................................................................... Refer to chart below Shaft Extension Beyond Panel ................................................................................................................... 18.1 mm (0.712 in.) minimum 22.2 mm (0.875 in.) maximum Bushing Extension Beyond Panel .............................................................................................................. 9.53 mm (0.375 in.) maximum H-23 MOUNTING INSTRUCTIONS 1. Insert potentiometer in panel. 4. Set the dial to 0.0 and brake on. 2. Install anti-rotation device using hardware supplied with 5. Insert the dial on the potentiometer shaft lightly against the potentiometer. panel. 3. Turn potentiometer shaft counterclockwise to minimum 6. Tighten set screw to potentiometer shaft. resistance or voltage ratio. KEYED TO POTENTIOMETER HARDWARE ANTIROTATION DEVICE POTENTIOMETER MOUNTING HOLE KEY SLOT SUPPLIED WITH (INSIDE) POTENTIOMETER 10.36 9.52 TYP. (.407) (.374) OUTER RING SET SCREW PANEL 1.98 (.077) ANTIROTATION TURNS-COUNTING DEVICE DIAL PANEL HOLE PATTERN Dimensional Drawings How To Order Accepts Part Shaft Number Diameter Finish H-23-6A 6.35 Polished 22.2 9.5 (.874) (.250) chrome (.374) H-23-6M 6.0 Polished 16.5 (.236) chrome (.649) H-23-3A 3.17 Polished (.124) chrome 1.95 MM DIA. DIMENSIONS: (.077) (INCHES) 9.53 3.30 (.375) (.130) 4.00 18.1 (.157) MIN. 14.50 (.712) (.571) 22.2 21.30 MAX. (.874) (.839) REV. 10/12 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns products manufactured by or on behalf of Bourns, Inc. and )V Y UZ P Z HSPH LZ JVSSLJ P LS Unless otherwise expressly indicated in writing, Bourns products and data sheets relating thereto are subject to change P OV UV PJL <ZLYZ ZOV SK JOLJR MVY HUK VI HPU OL SH LZ Y LU LSL HU PUMVYTH PVU HUK LYPM OH Z JO PUMVYTH PVU PZ J YY and complete before placing orders for Bourns products. The characteristics and parameters of a Bourns product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns knowledge of typical requirements in generic applications. 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