sealed dome pushbutton switches
The P9L Dome series low level pushbutton switches feature
a contoured dome style pushbutton and share similar size and
characteristics to the P7 series. Major differences are plastic
housing construction and the availability of a shorting bar contact
arrangement. There are two button versions: low button profile
and high button profile. The P9L comes with a threaded case
for hex nut mounting or with a snap-in case. The switch series
features short behind panel depth. They also offer excellent
mechanical and electrical performance while operating under
severe conditions found in demanding applications.
The P9L Dome series is offered in dusttight and moistureproof
sealed construction. One million mechanical operations and an
electrical life of 500,000 operations at 50mA resistive.
Watertight sealing is available simply by adding a “W” suffix
to the part number to specify IP68S rating.
The P9L 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. 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 P9L Dome series is a quality precision switch designed for
use in panels, control grips, computers, instruments and other
demanding applications where attractive, rugged low level
pushbutton switches are required.
dome
pushbuttons
p9l
low leVel momentary action, attractiVe & rugged for wet & dusty enVironments
®
C
US
Standard Characteristics/Ratings:
ELECTRICAL RATINGS:
Load
Resistive
DWV
Electrical Life:
Mechanical Life:
Seal:
Operating Force:
Sea Level @ 28VDC
or 115VAC, 60/400Hz
50mA
1050Vrms
500,000 cycles 50mA @ 28VDC resistive snap-action
500,000 cycles
IP64 or IP68S
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
Features:
•
•
•
•
•
•
•
•
•
•
•
•
Low level switch
Attractive dome style button
2 button heights
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
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
None provided
pushbuttons
Hex nut, lockwasher
Panel gasket when applicable
specifications subject to change without notice
www.ottoexcellence.com
134
p9l
dome
pushbuttons
sealed dome pushbuttons
choice of snap-action & shorting bar action
15/32-32 UNRS-2A
THD to within 0.062
of shoulder
15/32-32 UNRS-2A
THD to within 0.062
of shoulder
Raised Dome Button Style
Flush Dome Button Style
NO
(PC Terminals Shown)
Snap-In Case
NC
NC
0.110” Quick Connect Detail
Component Side
P.C. Mounting Pattern
(As viewed from switch bottom)
NO
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
* Must use panel gasket 401669 supplied with the switch.
Solder Terminals
(Terminals not
orientated to flat)
Threaded Case
PC Pin
(Orientated to case
flats as shown)
Snap-In Case
• 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
• .110” Quick Connect terminals allow reliable, solderless
0
wire connections
• Flush Neoprene Boot P/N 402339
• Raised Neoprene Boot P/N 402246
ORDERING INFORMATION:
P9L – X X X 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
P9L PART NUMBER CODE
Select the OTTO P9L series features that
Button & Case Style***
match your specific application. Standard
Threaded Case, Std. Finish
and special features are shown at right.
1.
Flush Dome && Threaded Case, Std. Finish
2.
Raised Dome
Specify your choice by building the OTTO
3.
Flush Dome & Snap-In Case, Std. Finish
4.
Raised Dome & Snap-In Case, Std. Finish
Part Number code.
Example:
P9L-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
Case/
Bezel Color
1.
Red
2.
Black
3.
Orange**
4.
Yellow**
5.
Green**
6.
Blue**
7.
Violet**
8.
Gray**
9.
White
Button
Color
1.
Red
2.
Black
3.
Orange
4.
Yellow
5.
Green
6.
Blue
7.
Violet
8.
Gray
9.
White
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
➀
Not available in Shorting Bar version.
* Add “W” suffix for watertight to IP68S.
** Contact factory for minimum requirement.
*** Contact factory for std./matte button/case combination options.
135
otto full line catalog
specifications subject to change without notice
Special Edition for Assessment Centres
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