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參數(shù)資料
| 型號(hào)： | P78B4139 |
| 廠商： | OTTO ENGINEERING INC |
| 元件分類： | 開關(guān) |
| 英文描述： | PUSHBUTTON SWITCH, SP3T, MOMENTARY-TACTILE, 5A, 28VDC, PANEL MOUNT |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 269K |
| 代理商： | P78B4139 |
COMMERCIAL AND MILITARY GRADES
SUBMINIATURE
PUSHBUTTONS
P7
66
OTTO 2007 Full Line Catalog
Specifications Subject To Change Without Notice
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.
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
SEALED SUB-SUBMINIATURE PUSHBUTTON SNAP-ACTION SWITCHES
Standard Characteristics/Ratings:
ELECTRICAL: (at 28 VDC or 115 VAC, 60/400 Hz.)
LOAD
SINGLE CIRCUIT
2-CIRCUIT
Resistive
5 Amps
4 Amps
Inductive
3 Amps
2 Amps
Lamp
2 Amps
—
Low Level Option:
30 mV @ 10 ma. for 25,000 cycles
MATERIALS:
Case:
Aluminum alloy, anodized
Button:
Thermoplastic
Seal:
Internal silicone rubber
Terminals:
The terminals are suitable for soldering
OPERATIONAL:
Operating Force:
1.7 lbs. ±.5 lbs.
Also available 12oz. ±4oz.. on special order
Mechanical Life:
1,000,000 cycles
Electrical Life:
25,000 cycles
Dielectric Withstanding: 1050 Vrms.
Temperature Range:
-55°C to +85°C
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