Features
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For use with Model 3680 digital pushbutton precision potentiometer
H-385 - Panel Seal Assembly
Physical Characteristics1 Material (Boot)....................................................................................Clear silicone rubber Material (Frame).....................................................................................Rigid black plastic Expected Life........................................................................100,000 actuations minimum Weight H-385-1......................................................................................Approximately 7.09 gm H-385-2......................................................................................Approximately 8.50 gm H-385-3......................................................................................Approximately 9.92 gm H-385-4....................................................................................Approximately 11.34 gm H-385-5....................................................................................Approximately 12.76 gm Application Data • Protects front of the pot from unwanted entry of rain, dust, grease or oils • Transparent for easy viewing of numerals • Tear resistant for long life • Matte finish black plastic frame to complement most front panels Bourns® Model H-385 Panel Seal Assembly minimizes accidental entry of liquids or foreign matter through the front of the Model 3680 Family Potentiometer.
H-385 MOUNTING INSTRUCTIONS
1. Cut out and drill panel1 per chart. 2. Install snap-in potentiometer2. 3. Locate silicone boot3 and frame4 over potentiometer and holes. 4. Attach panel seal assembly to panel with two #6 screws (not supplied).
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PANEL CUT-OUT/HOLE DIMENSIONS
RECOMMENDED HOLE FOR TWO #6 SCREWS (NOT SUPPLIED) 10.54 ± .13 (.415 ± .005)
.25 "C" ± (.010)
21.08 ± .25 (.830 ± .010)
.25 "A" ± (.010)
41.40 ± .38 (1.63 ± .015)
6.73 ± .13 (.265 ± .005)
.25 "B" ± (.010)
For Use With 3681 3682 3683 3684 3685
1
Part Number H-385-1 H-385-2 H-385-3 H-385-4 H-385-5
Frame Dimensions “C” 40.44 (1.592) 50.60 (1.992) 60.76 (2.392) 70.92 (2.792) 81.08 (3.192)
Panel Cutout/ Hole Dimensions “A” “B” 15.75 (.620) 29.21 (1.150) 25.91 (1.020) 39.37 (1.550) 36.07 (1.420) 49.53 (1.950) 46.23 (1.820) 59.69 (2.350) 56.39 (2.220) 69.85 (2.750)
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
DIMENSIONS:
MM (IN.)
REV. 04/03 Specifications are subject to change without notice.
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