P9
DOME
PUSHBUTTONS
SEALED DOME PUSHBUTTON SWITCHES
MOMENTARY ACTION, ATTRACTIVE & RUGGED FOR WET & DUSTY ENVIRONMENTS
The P9 Dome series pushbutton switches feature a contoured
dome style pushbutton and share similar size and characteristics
to the P7-D series. Major differences are plastic housing construction
and the availability of a shorting bar contact arrangement. There
are two button versions: flush button profile and raised button
profile, and two bezel versions: standard and small. The P9
comes with a threaded case for hex nut mounting or with
a snap-in case. The switch series features short behind
panel depth and offers excellent mechanical and electrical
performance while operating under severe conditions found in
demanding applications.
The P9 Dome series is offered in dusttight and moistureproof
sealed construction. One million mechanical operations and an
electrical life of 25,000 operations at full rated load of 5 amps
resistive or 3 amps inductive.
Watertight sealing to IP68S and IP69K is available simply by
adding a “W” suffix to the part number.
The P9 Dome series is available in standard and low-force
double break snap-action and non-snap shorting bar models.
All are momentary action. Special contact variations are
available. High contact pressure and unique contact design
provide low contact resistance for low level switching
capability as well as full rated service. Solder, PC Pin, and 0.110”
Quick Connect termination options are available.
Positive tactile feedback signaling the operator when the switch
is operated is available in snap-action models but not shorting
bar models.
The P9 Dome series is a quality precision switch designed for
use in panels, control grips, computers, instruments, heavy
equipment and other demanding applications where attractive,
rugged pushbutton switches are required.
Flush Dome with
Threaded Case
Raised Dome with
Threaded Case
Small Bezel Option
Raised Dome with Snap-In
Case and 0.110” Quick Connect
Terminals
®
C
US
Standard Characteristics/Ratings:
ELECTRICAL RATINGS:
Load
Resistive
Inductive
DWV
Electrical Life:
Mechanical Life:
Seal:
Operating Force:
5A
3A
1050Vrms
25,000 cycles 5A @ 28VDC resistive snap-action
1,000,000 cycles
IP64 or IP68S and IP69K
Standard: 1.7 lbs. +/- 0.5 lb.
Low Force: 12 oz +/- 4 oz
Shorting Bar: 18 oz +/- 6 oz
0.080 inches max
0.010 inches min
Sea Level @ 28VDC or 115VAC, 60/400Hz
N.O./N.C.
2 Circuit
4A
2A
Features:
• Flush and raised dome button styles in gloss or matte
finish
• Small bezel option
• Double break or shorting bar, momentary action
• All plastic housing & button construction
• Threaded body or snap-in panel mounting
• Withstands extreme shock & vibration
• Positive tactile feedback contact transfer on
snap-action models
• Solder, PC Pin & 0.110” Quick Connect
terminal styles
• Moistureproof & dusttight to IP64 or watertight
to IP68S and IP69K
• UL recognized & CSA certified
• RoHS/WEEE/Reach compliant
Operating Temp Range:
-40°C to +85°C
Total Travel:
Overtravel:
MATERIALS:
Case:
Button:
Terminals:
Terminal Hardware:
Mounting Hardware:
Thermoplastic
Thermoplastic
Brass with gold over silver
None provided
Hex nut, lockwasher
Panel gasket when applicable
154
OTTO Full Line Catalog
Specifications Subject To Change Without Notice
SEALED DOME PUSHBUTTON SWITCHES
CHOICE OF SNAP-ACTION & SHORTING BAR ACTION
.179
SR.36
SR.35
(.062)
.050
.048
DOME
PUSHBUTTONS
P9
.179
SR.36
SR.35
(.062)
.084
.055
.179
SR.35
SR.35
.31
.39
.46
15/32-32 UNRS-2A
TO WITHIN .062
OF SHOULDER
.13 TYP.
15/32-32 UNRS-2A
TO WITHIN .062
OF SHOULDER
.28
.46
.27
.47
.09 TYP.
Raised Dome Button Style
Flush Dome Button Style
(PC Terminals Shown)
Snap-In Case
NO
NC
NC
0.110” Quick Connect Detail
NO
Component Side
P.C. Mounting Pattern
(As viewed from switch bottom)
Threaded Case Terminal Detail
Recommended Panel Openings
*Panel Thickness
0.024*
0.031
0.118*
0.125
Recommended 0
0.505
0.505
0.505
0.505
DIM. Across D-Flat
0.460
0.460
0.460
0.460
.18
SR.35
.595
* Must use panel gasket 401669 supplied with the switch.
•
•
•
•
•
•
.27
.47
Flush Dome Small Bezel Style
Snap-in case allows front panel mounting into 0.024” or 0.118” thick panels
using panel gasket 401669 or into 0.031” and 0.125” thick panels
0.110” Quick Connect terminals allow reliable, solderless wire connections
Flush Neoprene Black Boot P/N 402339
Raised Neoprene Black Boot P/N 402246
Flush Silicone Translucent Boot P/N 402599-1
Raised Silicone Translucent Boot P/N 402611-1
ORDERING INFORMATION:
P9
–
X
X
P9 PART NUMBER CODE
X
X
X
Terminal Style Circuit
Form
1.
Solder
2.
PC Pin
3.
0.110”
Quick Connect
1.
N.O.
2.
N.C.
➀
3.
2 Circuit
➀
X
*
Case/
Bezel Color
1.
Red
2.
Black
3.
Orange**
4.
Yellow**
5.
Green**
6.
Blue**
7.
Violet**
8.
Gray**
9.
White
Select the OTTO P9 series features that
Button & Case Style***
match your specific application. Standard
and special features are shown at right.
1.
Flush Dome & Threaded Case, Std. Finish
Specify your choice by building the OTTO
2.
Raised Dome & Threaded Case, Std. Finish
3.
Flush Dome & Snap-In Case, Std. Finish
Part Number code.
4.
Raised Dome & Snap-In Case, Std. Finish
Example:
P9-211121 specifies raised
dome style button, threaded case, solder
terminals, N.O. circuit form, standard snap-
action, black case/bezel, red button.
Switch Action
1.
Standard Snap-Action
2.
Low Force Snap-Action
3.
Non-Snap Shorting Bar
Button
Color
1.
Red
2.
Black
3.
Orange
4.
Yellow
5.
Green
6.
Blue
7.
Violet
8.
Gray
9.
White
PUSHBUTTONS
5.
Flush Dome & Threaded Case, Matte Finish
6.
Raised Dome & Threaded Case, Matte Finish
7.
Flush Dome & Snap-In Case, Matte Finish
8.
Raised Dome & Snap-In Case, Matte Finish
9.
Flush Dome & Snap-In Case, Std. Finish,
Small Bezel
A.
Raised Dome & Snap-In Case, Std. Finish,
Small Bezel
Specifications Subject To Change Without Notice
➀
Not available in Shorting Bar version.
* Add “W” suffix for watertight to IP68S and IP69K (will include panel gasket)
** Contact factory for minimum requirement.
*** Contact factory for std./matte button/case combination options.
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155
PCB Design
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