3 Series
Thumbwheel Switches
Features/Benefits Typical Applications
Most complete product offering in the industry Test & measurement equipment
Spacers available to fit most panel cutouts Industrial equipment
Front or rear mounting options Computer devices
Specifications
Materials
CONTACT RATING: HOUSING: ABS plastic.
CARRY: 1 AMP continuous.
THUMBWHEEL: ABS plastic.
SWITCH: 100 mA max.
ROTOR CONTACTS: Precious metal on copper alloy.
OPERATING VOLTAGE: 50 mV to 28 V DC or 120 V AC.
STATOR CONTACTS: Hard gold over nickel over copper
ELECTRICAL LIFE: 100,000 actuations.
on epoxy fiberglass.
CONTACT RESISTANCE: Below 100 m typ. initial @
NOTE: Specifications and materials listed above are for switches with standard options
2-4 V DC, 100 mA. For information on specific and custom switches, consult Customer Service Center.
9
INSULATION RESISTANCE: 10 min.
* Note: All models listed are RoHS compliant. See Technical Data section of this catalog for
DIELECTRIC STRENGTH: 500 Vrms min. @ sea level
RoHS compliant and compatible definitions and specifications.
between common terminal and any output.
OPERATING TEMPERATURE: -40C to 65C.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown and
described on pages N9 thru N12. For additional options not shown in catalog, consult Customer Service Center.
Consult factory for illumination availability.
Series
3 Thumbwheel switch
Number of Sections
0 Switch section
1 1 Switch section
Function Code
2 2 Switch sections
11 Decimal, SP, 10 position
3 3 Switch sections
Mounting Style
14 Resistor decade
4 4 Switch sections
00 Snap-in, front mount
21 BCD, 10 position
5 5 Switch sections
09 Snap-in, front mount*
23 Complement of BCD, 10 position
6 6 Switch sections
10 Rear mount
27 BCD, 10 position Terminations
7 7 Switch sections
19 Rear mount*
31 BCD, 10 position 0 Type 0
8 8 Switch sections
20 Rear mount
71 BCH, 16 position 1 Type 1, extended type 0
9 More than 8
29 Rear mount*
N Solder pins with .100 spacing**
switch sections
P Solder pins with .156 spacing**
9 Any combination
Color/Marking/Stops
*X9 mounting styles must be ordered with 0 number of sections.
N
0 Matte black body, gloss
black wheel,
Seal
white marking
0 No seal
** Note: Termination option N (RoHS compliant) replaced termination option 3 (Non-RoHS compliant).
1 Sealed contacts
Termination option P (RoHS compliant) replaced termination option B (Non-RoHS compliant).
2 Dust lens
3 Sealed contacts & dust lens
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
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N8
Thumbwheel & PushwheelThumbwheel & Pushwheel
3 Series
Thumbwheel Switches
SERIES
3 THUMBWHEEL SWITCHES
NUMBER OF SECTIONS
0 Switch section only, no assembly. Blank bodies are considered sections; endplates are not sections.
Must be ordered with 09 or 19 mounting style options, see pages N10 and N11.
1-8 Number of switch sections in assembly, includes endplates.
9 More than 8 switch sections, specify on CONFIGURATION FORM, page N15 and consult Customer Service Center.
NOTE: Endplates and blank sections available separately, see pages N13 and N14.
FUNCTION CODE
11 DECIMAL1 POLE; 10 POSITION 14 RESISTOR DECADE; 1-2-2-2-2 CODE 21 BCD 1-2-4-8; 10 POSITION
(RESISTORS NOT SUPPLIED)
N
Available Terminations: 0, 1, N
Available Terminations: 1 Available Terminations: 0, 1, N
See fig. 1, page N-12. See fig. 1, page N-12.
See fig. 1, page N-12.
NOTE: For terminal location diagram, see page N-12.
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
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N9