H-550-6A Bourns Inc., H-550-6A Datasheet

H-550-6A

Manufacturer Part Number

H-550-6A

Description

Knobs & Dials 6.35mm 0-11 Turns Gray Body W/LOCK

Manufacturer

Bourns Inc.

Series

Type

Dialr

Datasheet

1.H-550-6A.pdf (1 pages)

Specifications of H-550-6A

Design

Hex Set Screw

Shaft Size

6.35 mm

Diameter

46 mm

Color

Gray

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Number of Turns ..................................................................................................................................................................................0 to 11

Dial Divisions ...............................................................................................................................................................................100 per turn

Readability – Over 10 Turns .........................................................................................................................................Within 1/100 of a turn

Torque With Brake Engaged.....................................................................................................................8.47 N-cm (12.0 oz.-in.) maximum

Markings...........................................................................................................................................................................Black on clear gray

Locking Brake............................................................................................................................................................................................Yes

Weight...............................................................................................................................................................................13 grams (0.46 oz.)

Set Screw .................................................................................................................................................................UNC 4/40, one included

Set Screw Tightening Torque ......................................................................................................................12.00 N-cm (17 oz-in.) minimum

Hex Key Size ................................................................................................................................................................................0.05 in. hex

Shaft Diameter Requirements .......................................................................................................................0.635 mm (0.0250 in.) diameter

Shaft Extension Beyond Panel .........................................................................................................................17.5 mm (0.689 in.) minimum

Bushing Extension Beyond Panel .....................................................................................................................7.0 mm (0.276 in.) maximum

H-550 MOUNTING INSTRUCTIONS

Using the existing Antirotation Lug

1. Drill 3.2 mm (0.125) diameter antirotation pin hole on vertical

2. Mount potentiometer shaft counterclockwise to obtain minimum

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.

Dimensional Drawing

Mechanical and Physical Characteristics

Shaft and Bushing Requirements

REV. 10/08

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

centerline 14.3 mm (0.562) below center of potentiometer

mounting hole.

resistance or voltage ratio. This is not necessarily identical with the

mechanical stop.

Tighten knob set screws to potentiometer shaft.

(.96)

24.6

(.625)

15.9

(1.811)

46.0

H-550 Turns-Counting Dial

Features

Large package size - 46 mm diameter

“Metalized” plastic dial body

Strong locking brake

Economical

Ideal for use with 10-turn potentiometers

RoHS compliant*

How to Order

H-550-6A (10 per box)

H-550-6A-1 (1 per box)

Number

Part

(.405)

10.31

DIA.

6.35 mm (.250 in.)

Accepts Shaft

Diameter

PANEL LAYOUT

(.562)

14.30

Model H-550 is currently available,

although not recommended for new

17.65 N-cm (25 oz-in.) maximum

designs. Model

22.5 mm (0.886 in.) maximum

Grey Metalized Plastic

(.124)

3.17

DIMENSIONS:

H-46

DIA.

Finish

is preferred.

(IN.)

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