P7-D
SEALED PUSHBUTTON SWITCHES
ATTRACTIVE AND RUGGED FOR WET AND DUSTY ENVIRONMENTS
These are P7-D series pushbutton switches with a contoured
Dome style pushbutton. There are two design versions: flush
dome and raised dome button profile. 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 OTTO P7-D Dome series is offered in dusttight and
moistureproof sealed construction. Expect a minimum of 50,000
operations at full rated load of 5 amperes resistive or 3 amperes
inductive; up to a million operations in low signal switching
applications.
The OTTO P7-D Dome series is a double-break switch with a
momentary circuit. Multiple 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.
Positive tactile feedback signals the operator when the switch is
operated. Button legends are available on special order.
The OTTO P7-D Dome series is a quality precision snap-action
switch designed for use in panels, control sticks, computers,
instruments, heavy equipment and other demanding applications
where attractive, rugged pushbutton switches are required. Other
P7 series models offer a wide choice of mounting styles.
Raised Dome Button
DOMED
PUSHBUTTONS
PUSHBUTTONS
Flush Dome Button
Standard Characteristics/Ratings:
OPERATIONAL:
Mechanical Life:
Seal:
Operating Force:
Total Travel:
1,000,000 cycles minimum
Moistureproof and Dusttight to IP64 & MIL-PRF-8805 Design 2
1.7 ± 5 lbs.
.080 max.
Temperature Range:
-55°C to +85°C
MATERIALS:
Case/Bezel:
Button:
Anodized aluminum alloy
Thermoplastic
Mounting Hardware:
Hexnut & Lockwasher
Contacts:
Silver alloy
ELECTRICAL:
(at 28 VDC or 115 VAC, 60/400 Hz.)
LOAD
AMPERES
1A
5A
3A
LIFE (Min.)
1,000,000 cycles
50,000 cycles
50,000 cycles
Resistive
Resistive
Inductive
Quality Features:
• Attractive Dome style buttons
• 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
• Constructed in accordance with
Dielectric Withstand:
1050Vrms
Low Level 30MV@10mA, 25,000 cycles
Terminal Style: Short
P7-D PART NUMBER CODE
P7-D
Button
Style
F.
Flush
R.
Raised
0.
A.
B.
1.
2.
3.
4.
5.
6.
7.
8.
X
X
X
Circuit
Form
X
X
Contact
Rating
X
Bezel
Color
1.
Clear
2.
Black
Terminal Style “A” & “B”
Button
Color
1.
Red
2.
Black
3.
Orange
4.
Yellow
5.
Green
6.
Blue
7.
Purple
8.
Gray
9.
White
Terminal Style/
Construction Grade
Special
1.
Standard Commercial Solder
2.
Standard Watertight Commercial Solder
3.
Solder/Military/Short
4.
Solder/Commercial/Short
5.
Solder/Mil. Watertight/Short
6.
P.C. Pin/Commercial
P.C. Pin/Military
P.C. Pin/MIL Watertight
Solder/Com. Watertight/Short
P.C. Pin/Com. Watertight
N.O.
1.
Standard
N.C.
2.
Low Level
N.C. 3-Terminal
N.O. 3-Terminal
5-Terminal
Two Circuit
Standard
NOTE:
For P.C. mounting pattern see Page 53.
Specifications Subject To Change Without Notice
Specials are serialized. Subsequent numerals do
not specify standard features.
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