H-46-6A-1 Bourns Inc., H-46-6A-1 Datasheet

TURNS COUNTING DIAL

H-46-6A-1

Manufacturer Part Number
H-46-6A-1
Description
TURNS COUNTING DIAL
Manufacturer
Bourns Inc.
Series
H-46r
Datasheet

Specifications of H-46-6A-1

Accessory Type
Turns Counting Dial
Leaded Process Compatible
Yes
Applications
20 Turns Precision Potentiometers Or Other Rotating Devices
No. Of Turns
20
Knob / Dial Style
Round
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3. Loosen set screws in knob of dial. Set dial to “0.0” reading.
4. While holding outer ring of dial, position unit lightly against
(1.811)
Number of Turns ............................................................................................................................................................................. 0 to 20
Dial Divisions ...........................................................................................................................................................................100 per turn
Readability – Over 10 Turns .....................................................................................................................................Within 1/100 of a turn
Torque With Brake Engaged ..............................................................................................................21.18 N-cm (30.0 oz.-in.) maximum
Markings ..................................................................................................................................................... Black on chrome background
Locking Brake .......................................................................................................................................................................................Yes
Weight ............................................................................................................................................................................73 grams (2.5 oz.)
Set Screw ..........................................................................................................................................................UNC N4-44, one included
Set Screw Tightening Torque ...............................................................................................................16.94 N-cm (1.5 lbs.-in.) minimum
Hex Key Size ............................................................................................................................................................................0.05 in. hex
Shaft Diameter Requirements ................................................................................................................................... Refer to chart below
Shaft Extension Beyond Panel ................................................................................................................... 17.5 mm (0.689 in.) minimum
Bushing Extension Beyond Panel ................................................................................................................ 4.5 mm (0.177 in.) maximum
46.0
Mechanical and Physical Characteristics
Shaft and Bushing Requirements
Dimensional Drawings
panel. Tighten knob set screws to potentiometer shaft.
(.492)
12.50
(.944)
24.0
H-46 MOUNTING INSTRUCTIONS
Using the existing Antirotation Lug
1. Drill 3.2 mm (0.125) diameter antirotation
2. Mount potentiometer shaft counterclock-
pin hole on vertical centerline 14.3 mm
(0.562) below center of potentiometer
mounting hole.
wise to obtain minimum resistance or
voltage ratio. This is not necessarily
identical with the mechanical stop.
DIMENSIONS:
(.405)
10.31
(.562)
14.30
DIA.
PANEL LAYOUT
(INCHES)
MM
(.124)
3.17
Features
H-46 Turns-Counting Dial
Large package size
For use with precision potentiometers up to
20 turns
Excellent readability
Precision feel - no backlash
Cast housing
RoHS compliant*
DIA.
4. Loosen set screws in knob of dial. Set dial to “0.0” reading.
5. While holding outer ring of dial, position unit lightly against panel.
Tighten knob set screws to potentiometer shaft.
Customers should verify actual device performance in their specifi c applications
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Applications
Power supplies
Sensors
Medical
Automation
Test equipment
H-46-6M
Number
H-46-6A
How To Order
Specifi cations are subject to change without notice.
Part
Using the Antirotation Device
1. Remove antirotation lug from dial
2. Mount potentiometer in panel with
3. Turn potentiometer shaft counter-
by using pliers.
antirotation device nut (supplied
with dial) and lockwasher (supplied
with potentiometer).
clockwise to obtain minimum
resistance or voltage ratio. This is
not necessarily identical with the
mechanical stop.
23.5 mm (0.925 in.) maximum
Accepts Shaft
Diameter
6.35 mm (.250)
6 mm (.236)
Finish
Satin
Chrome
Satin
Chrome
REV. 03/09

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