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Features
■ For use with Model 3682 and 3683 digital pushbutton precision potentiometers
H-385 - Panel Seal Assembly
Physical Characteristics
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Material (Boot) ...................................................................................... Clear silicone elastomer
Material (Frame) .............................................................................................Rigid black plastic
Expected Life ................................................................................ 100,000 actuations minimum
Weight
H-385-2 ...............................................................................................Approximately 8.50 gm
H-385-3 ...............................................................................................Approximately 9.92 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 fi nish 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 3682 and 3683 Potentiometers.
PANEL CUT-OUT/HOLE DIMENSIONS
RECOMMENDED HOLE FOR TWO #6 SCREWS
(NOT SUPPLIED)
.25
"A" ±
(.010)
6.73 ± .13
(.265 ± .005)
.25
"B" ±
(.010)
10.54 ± .13
(.415 ± .005)
21.08 ± .25
(.830 ± .010)
41.40 ± .38
(1.63 ± .015)
"C" ±
.25
(.010)
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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2
3
4
Frame Panel Cutout/
For Use With Part Number Dimensions Hole Dimensions
“C” “A” “B”
3682 H-385-2 50.60 (1.992) 25.91 (1.020) 39.37 (1.550)
3683 H-385-3 60.76 (2.392) 36.07 (1.420) 49.53 (1.950)
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At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
DIMENSIONS:
(INCHES)
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
MM
Users should verify actual device performance in their specifi c applications.
Specifi cations are subject to change without notice.
REV. 04/15
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