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參數(shù)資料
| 型號： | P8-351214A |
| 廠商： | OTTO ENGINEERING INC |
| 元件分類： | 開關(guān) |
| 英文描述： | PUSHBUTTON SWITCH, SPST, MOMENTARY-TACTILE, 20A, 28VDC, PANEL MOUNT |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 123K |
| 代理商： | P8-351214A |
PUSHBUTTON SWITCHES
COMPACT
PUSHBUTTONS
P8
70
OTTO 2007 Full Line Catalog
Specifications Subject To Change Without Notice
Makes and breaks every time!
OTTO’s inherent rocking-action
breaks welds and wipes contacts clean.
OTTO P8 series pushbutton switches feature a shortened
back-of-panel depth while offering all the features of the regular size
P1 and P3 series switches. P8 series switches offer vastly improved
electrical and mechanical life under extreme conditions found in
most military and industrial environments.
On sealed models, a silicone boot operating on our patented “rolling
sleeve” principle protects the contact area against contamination at
the button area. This boot provides long life and smooth operation
over a wide temperature range. Sealed terminals protect the contact
area from hostile environments and solder flux on both sealed and
unsealed models.
High contact pressure (120 grams), low contact resistance (25
milliohms) and short contact bounce (5 milliseconds max.) are the
result of our patented snap-action mechanism. These characteristics
guarantee exceptional current carrying capabilities over the life of
the switch. With the optional Low Level (Gold plated) configuration
the P8 is well suited to interface directly to computers and other
solid state devices.
The OTTO P8 series is a quality precision snap-action switch
designed for use in panel boards, control sticks, computers,
instruments, pressure switches and other hand or machine operated
applications where rugged pushbutton switches are required. In
addition, its precision permits the OTTO P8 to also be used as a limit
switch. The P8 offers unique size, high electrical ratings and a wide
choice of mounting styles.
Quality Features:
Shorter behind panel depth than OTTO’s P1/P3
Patented “rolling sleeve” button seal
Contact area sealed at button and terminals
Positive tactile feedback
Less than 25 milliohms contact resistance
Ideal for low level as well as 20 amp. switching
Trip point repeatable to within .001"
Variety of mounting styles
Variety of button lengths & shapes
Engraved buttons and bezels available
Mechanical life is over 1 million cycles
UL recognized
SHORTER BEHIND PANEL, SUBMINIATURE DOUBLE-BREAK, SNAP-ACTION
Standard Characteristics/Ratings:
Electrical Circuit: Because the OTTO P8 is a double-break, two-circuit switch, it can operate
as a single or two circuit device. Thus, a wide variety of connection possibilities are available.
See “Circuit Form” in part number code for options. Special variations can be provided.
ELECTRICAL: (at 28 VDC or 115 VAC, 60/400 Hz.)
LOAD
AMPERES
LIFE (Min.)
Resistive
10
100,000 cycles
Resistive
20
25,000 cycles
Inductive
5
100,000 cycles
Lamp
3
100,000 cycles
OPERATIONAL:
Mechanical Life:
1,000,000 cycles minimum
Temperature Range:
-55°C to +85°C
Seal Options:
Unsealed, Moistureproof and Dusttight (IP64 & MIL-PRF-8805
Design 2), Watertight (IP68)
Operating Force:
2.5, +0.5, -1 lb.
Release Force:
1 lb. minimum
MATERIALS:
Case:
Aluminum, anodized black or clear
Button:
Thermoplastic
Boot:
Internal, silicone rubber
Terminals:
Brass, silver plated
Contacts:
Fine silver
MOUNTING:
Models with threaded bushing mount supplied with hex nut and internal tooth lockwasher.
Panel seal gasket supplied for splash-proof. Model P8-1 style press fits into a .623"
diameter hole.
TERMINALS:
Terminal options include solder, faston or screw connection with optional 2-56 x 1/8"
screws, split lockwashers and solder lugs.
US Patent No. 3,612,793. Canadian Pat. No. 917,719.
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