P7
SUBMINIATURE
PUSHBUTTONS
COMMERCIAL AND MILITARY GRADES
SEALED SUB-SUBMINIATURE PUSHBUTTON SNAP-ACTION SWITCHES
The P7 series incorporates OTTO’s patented double-break design in a
significantly smaller package than the P1 series. These subminiature
switches allow the switch density today’s technologies require in
control grips and panels.
The long life snap-action design is protected from the environment by
a silicon rubber boot, operating on a “rolling sleeve” principle that
gives long sealed life and smooth operation.
The P7 series is designed to meet the requirements of MIL-S-8805
including low level switching (10 mA @ 30 mV) with power switching
up to 5 amps at 28 VDC 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 series
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 had 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. Watertight to IP68. Watertight to MIL-PRF-8805 Design 3.
Consult the ordering code to specify.
®
Standard Characteristics/Ratings:
ELECTRICAL:
(at 28 VDC or 115 VAC, 60/400 Hz.)
LOAD
Resistive
Inductive
Lamp
Low Level Option:
SINGLE CIRCUIT
5 Amps
3 Amps
2 Amps
30 mV @ 10 ma. for 25,000 cycles
2-CIRCUIT
4 Amps
2 Amps
—
MATERIALS:
Case:
Aluminum alloy, anodized
Thermoplastic
Internal silicone rubber
The terminals are suitable for soldering
Button:
Seal:
Terminals:
Quality Features:
• Low level switching capability
• Low contact resistance: .025 ohms max
• High contact pressure
• Six circuit variations
• Positive tactile feedback
• Variety of mounting styles
• Sealed against dust and moisture
• Qualified to MIL-PRF-8805/110
• Watertight IP68 available
OPERATIONAL:
Operating Force:
Mechanical Life:
Electrical Life:
1.7 lbs. ±.5 lbs.
Also available 12oz. ±4oz.. on special order
1,000,000 cycles
25,000 cycles
Dielectric Withstanding:
1050 Vrms.
Temperature Range:
-55°C to +85°C
52
OTTO CONTROLS • 2005 Full Line Catalog
Specifications Subject To Change Without Notice
P7
MINI SIZED PER MIL-PRF-8805/110
SEALED AGAINST DUST AND MOISTURE, LOW LEVEL SWITCHING OPTION
P7-6 Series
Case Style 6
15/32"
Threaded
Bushing
Also available with
P.C. pins.
A
SUBMINIATURE
PUSHBUTTONS
P7-1 Series
Case Style 1
Press-fit Mount
Also available with
P.C. terminals.
P7-2 Series
Case Style 2
Press-fit Mount
Also available with
P.C. pins.
P7-7 Series
Case Style 7
Press-fit
Mount
Also available with
P.C. pins.
PUSHBUTTONS
P7-3 Series
Case Style 3
Bezel/Threaded
Bushing
Also available with
P.C. pins.
P7-8 Series
Case Style 8
Press-fit Mount
Guarded Button
Also available with
P.C. pins.
P7-5 Series
Case Style 5
1/4" Threaded
Bushing
Also available with
P.C. pins.
Terminal
Style
“A” & “B”
Standard
P Pin
.C.
Mounting
Pattern
(As viewed from
switch bottom.
See above drawings
for terminal
identification.)
Case
Style
1.
Style 1
2.
Style 2
3.
Style 3
5.
Style 5
6.
Style 6
7.
Style 7
8.
Style 8
P7 PART NUMBER CODE
P7
Terminal Style/
Construction Grade
0.
Special➀
A.
Standard Commercial Solder
1.
Solder/Military/Short
2.
Solder/Commercial/Short
3.
Solder/Mil. Watertight/Short
4.
P.C. Pin/Commercial
5.
P.C. Pin/Military
6.
P.C. Pin/MIL Watertight
X
X
X
Circuit
Form
1.
N.O.
2.
N.C.
X
X
Contact
Rating
X
Bezel Color
Button Dia.
Button
Color
1.
Standard
2.
Low Level
1.
Clear–Standard
1.
Red
2.
Black–Standard
2.
Black
3.
Clear–.312➁
4.
Black–.312➁
3.
Orange
4.
Yellow
5.
Green
6.
Blue
7.
Purple
8.
Gray
9.
White
B.
Standard Watertight Commercial Solder
3.
N.C. 3-Terminal
4.
N.O. 3-Terminal
5.
5-Terminal
6.
Two Circuit
➀
Specials are serialized. Subsequent numerals do not specify standard features.
➁
Not available with Case Style 1, 2 and 5.
7.
Solder/Com. Watertight/Short
8.
P.C. Pin/Com. Watertight
Specifications Subject To Change Without Notice
OTTO CONTROLS • www.ottoeng.com
53
P7
SPECIAL
PUSHBUTTONS
SPECIAL PURPOSE DESIGNS
EXAMPLES OF CUSTOMIZED P7 SEALED PUSHBUTTONS
Special Longer Length Button
Panel seal gasket and watertight enclosure. Button is
black nylon. Bezel is black anodized aluminum alloy.
Available in two versions:
Actuation
OTTO Part Number
Momentary
P7-500001
Push-Pull Maintained P7-500017
P7-500001,
Momentary
P7-500017,
Push-Pull
Special Large Button, Press Fit
Available with a .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
splash-proof sealed per MIL-S-8805 and is supplied
with a silicone panel gasket.
Part Number: P7-500018
Button Color
.440" Dia.
Red
400725-1
Black
400725-2
Orange
400725-3
White
400725-9
.375" Dia.
400723-1
400723-2
400723-3
400723-9
Contact factory for additional button color options
54
OTTO CONTROLS • 2005 Full Line Catalog
Specifications Subject To Change Without Notice
Analogue and Mixed Signal
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