SEALED PUSHBUTTON SWITCHES DOMED
PUSHBUTTONS
P7-D
Specifications Subject To Change Without Notice www.ottoexcellence.com 69
PUSHBUTTONS
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.
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
P7-D PART NUMBER CODE
P 7 - D X X X X X X
Button Terminal Style/ Circuit Contact Bezel Button
Style Construction Grade Form Rating Color Color
F. Flush 0. Special ➀1. N.O. 1. Standard 1. Clear 1. Red
R. Raised A. Standard Commercial Solder 2. N.C. 2. Low Level 2. Black 2. Black
B. Standard Watertight Commercial Solder 3. N.C. 3-Terminal 3. Orange
1. Solder/Military/Short 4. N.O. 3-Terminal 4. Yellow
2. Solder/Commercial/Short 5. 5-Terminal 5. Green
3. Solder/Mil. Watertight/Short 6. Two Circuit 6. Blue
4. P.C. Pin/Commercial 7. Purple
5. P.C. Pin/Military 8. Gray
6. P.C. Pin/MIL Watertight 9. White
7. Solder/Com. Watertight/Short
8. P.C. Pin/Com. Watertight
Terminal Style “A” & “B”
Terminal Style: Short
Standard
NOTE: For P.C. mounting pattern see Page 53.
ATTRACTIVE AND RUGGED FOR WET AND DUSTY ENVIRONMENTS
Standard Characteristics/Ratings:
OPERATIONAL:
Mechanical Life: 1,000,000 cycles minimum
Seal: Moistureproof and Dusttight to IP64 & MIL-PRF-8805 Design 2
Operating Force: 1.7 ± 5 lbs.
Total Travel: .080 max.
Temperature Range: -55°C to +85°C
MATERIALS:
Case/Bezel: Anodized aluminum alloy
Button: Thermoplastic
Mounting Hardware: Hexnut & Lockwasher
Contacts: Silver alloy
ELECTRICAL: (at 28 VDC or 115 VAC, 60/400 Hz.)
LOAD AMPERES LIFE (Min.)
Resistive 1A 1,000,000 cycles
Resistive 5A 50,000 cycles
Inductive 3A 50,000 cycles
Dielectric Withstand: 1050Vrms
Low Level 30MV@10mA, 25,000 cycles
Flush Dome Button
Raised Dome Button
➀Specials are serialized. Subsequent numerals do
not specify standard features.
