commercial & military grades
momentary action, sealed sub-subminiature pushbutton snap-action sWitches
subminiature
pushbuttons
p7
The P7 series incorporates OTTO’s patented double break
design in a significantly smaller package than the P1 series.
These subminiature switches embrace today’s technology
requirements by allowing for a large number of switches to fit
within a faceplate.
The long life snap-action design is protected from the
environment by a silicon rubber boot, operating on a patented
“rolling sleeve” principle that gives long sealed life and
smooth operation.
The P7 series is designed to meet the requirements of MIL-
PRF-8805 including low level switching (10mA @ 30mV) with
power switching up to 5 amps at 28VDC as well.
A variety of mounting styles are offered to best match the
application. The P7-1, P7-2, P7-7 and P7-8 case styles feature
a swaged bushing shape to allow press fit installation in
aircraft flight control and hand grips and similar applications.
The other styles feature threaded bushing mounting. The
P7-3 case style has a front panel bezel, while the P7-5 and
P7-6 have conventional bushings for rear panel mounted
installations. Silver or black bezels are standard. Other
colors available on special order.
Pushbuttons are available in a choice of nine colors. Excellent
tactile feedback assures the operator that contact transfer
has been made.
A choice of MIL-SPEC and commercial versions of these
switches are offered: Moistureproof and dusttight to IP64
and MIL-PRF-8805 Design 2 or watertight to IP68S and to
MIL-PRF-8805 Design 3.
Style
P7-6
Style
P7-2
Style
P7-5
Style
P7-1
Style
P7-5
Style
P7-8
Style
P7-3
®
C
US
Standard Characteristics/Ratings:
ELECTRICAL RATINGS:
Load
Resistive
Inductive
Lamp
Motor
DWV
Center Contact
Low Level
Electrical Life:
Mechanical Life:
Seal:
25,000 cycles
1,000,000 cycles
IP64 and MIL-PRF-8805 Design 2 or IP68S and MIL-PRF-8805
Design 3
1.7 +/- 0.5 lb.
0.080 inches max
0.010 inches min
Circuits:
Sea Level @ 28VDC
1&2
5A
3A
1A
3A
3–5
2.5A
1.5A
0.5A
1.5A
1050Vrms
3A max
6
4A
2A
N/A
N/A
50,000 feet @ 28VDC
1&2
5A
3A
N/A
N/A
3–5
2.5A
1.5A
N/A
N/A
400Vrms
6
4A
2A
N/A
N/A
10mA @ 30mV
Features:
Low level switching capability
Less than 25mΩ contact resistance
High contact pressure
6 circuit variations
Positive tactile feedback
Variety of mounting styles
Qualified to MIL-PRF-8805/110
Moistureproof & dusttight to IP64 & MIL-PRF-8805
Design 2 or watertight to IP68S & MIL-PRF-8805
Design 3
• RoHS/WEEE/Reach compliant
•
•
•
•
•
•
•
•
Operating Temp Range:
-55°C to +85°C
Operating Force:
Total Travel:
Overtravel:
MATERIALS:
Case:
Button:
Terminals:
Terminal Hardware:
Mounting Hardware:
Anodized aluminum alloy
Thermoplastic
Brass with gold over silver
None provided
Hex nut, lockwasher and panel gasket when applicable
pushbuttons
specifications subject to change Without notice
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124
p7
subminiature
pushbuttons
mini-sized per mil-prf-8805/110
sealed against dust & moisture, loW level sWitching option
P7-1 Series
Case Style 1
Press Fit Mount
Also available with
PC terminals.
P7-6 Series
Case Style 6
15/32”
Threaded
Bushing
Also available with
PC pins.
.75
.26
.125
.562
.047
.09 MIN.
FROM
POTTING
N.C.
N.O.
.343
.192
15/32-32UNS-2A
TO WITHIN .062
OF SHOULDER
N.O.
N.C.
P7-2 Series
Case Style 2
Press Fit Mount
Also available with
PC pins.
P7-7 Series
Case Style 7
Press Fit Mount
Also available with
PC pins.
P7-3 Series
Case Style 3
Bezel/Threaded
Bushing
Also available with
PC pins.
P7-8 Series
Case Style 8
Press Fit Mount
Guarded Button
Also available with
PC pins.
P7-5 Series
Case Style 5
1/4” Threaded
Bushing
Also available with
PC pins.
Terminal
Style
“A” & “B”
Standard
PC Pin
Mounting
Pattern
(As viewed from
switch bottom.
See above drawings
for terminal
identification.)
P7
Case
Style
1.
Style 1
2.
Style 2
3.
Style 3
5.
Style 5
6.
Style 6
7.
Style 7
8.
Style 8
–
X
P7 PART NUMBER CODE
X
X
X
X
Circuit Form
X
Button
Color
1.
Red
2.
Black
3.
Orange
4.
Yellow
5.
Green
6.
Blue
7.
Purple
8.
Gray
9.
White
Terminal Style/
Construction Grade
A.
Solder/Commercial
B.
Solder/Watertight
Commercial
1.
Solder/Military/Short
2.
Solder/Commercial/Short
3.
Solder/Mil. Watertight/Short
4.
PC Pin/Commercial
5.
PC Pin/Military
6.
PC Pin/Mil. Watertight
7.
Solder/Com. Watertight/Short
8.
PC Pin/Com. Watertight
Contact Rating Bezel Color/
Button Dia.
1.
Clear/Std.
2.
Black/Std.
3.
Clear/0.312
➀
4.
Black/0.312
➀
1.
N.O.
1.
Std.
2.
N.C.
2.
Low Level
3.
N.C. 3 Terminal
4.
N.O. 3 Terminal
5.
5 Terminal
6.
2 Circuit
➀
Not available with Case Styles 1, 2 & 5.
125
otto full line catalog
specifications subject to change Without notice
special purpose designs
examples of customized p7 sealed pushbuttons
special
pushbuttons
p7
Special Longer Length Button
Panel seal gasket and watertight enclosure.
Button is black nylon. Bezel is black
anodized aluminum alloy.
Actuation
Momentary
OTTO Part Number
P7-500001
Special Large Button, Press Fit
Available with a 0.375” dia. button with three
color options.
Color
Red
Black
White
OTTO Part Number
P7-900001
P7-900002
P7-900009
Contact factory for additional button color
options.
Special Snap-On Button, Wire Leads
Features changeable snap-on button caps
available in two diameters and in a range of colors.
Switch is splashproof sealed per MIL-PRF-8805
and is supplied with a silicone panel gasket.
Part Number: P7-500018
Button Color
Red
Black
Orange
White
0.440” Dia.
C400725-1
C400725-2
C400725-3
C400725-9
0.375” Dia.
C400723-1
C400723-2
C400723-3
C400723-9
Contact factory for additional button color options.
Mini Pushbutton, Shrouded
pushbuttons
This shrouded pushbutton is designed to reduce
the chance of inadvertant actuation. Button size
is .19”. Enclosure design is watertight per IP68S.
Actuation
Momentary
OTTO Part Number
P7-900196
specifications subject to change Without notice
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126
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