ILLUMINATED & SEALED PUSHBUTTONS ILLUMINATED
PUSHBUTTONS
LP3
Specifications Subject To Change Without Notice www.ottoexcellence.com 90
PUSHBUTTONS
The LP3 offers rugged, sealed construction with the added
benefit of reliable LED illumination. This precision snap-action
switch is designed for use in off-highway, material handling, in-
dustrial controls, marine, medical and demanding commercial
applications. Choose from the standard mounting styles and
electrical ratings, or contact us for custom configurations.
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, amazingly low contact resistance and ex-
tremely low contact bounce are all the result of the OTTO snap-
action mechanism. Extra long electrical life and precise trip point
offer added value and precision operation.
Features:
Watertight to IP68S or moistureproof & dusttight to IP64
LED lighted with the ability to accommodate 2, 6, 12 &
24VDC power & includes reverse voltage protection
Tall & dome style buttons permitting sublimated & pad
printed legends
Less than 25mΩ contact resistance, low level option
Quick disconnect terminals
15/32” & 5/8” thread, press fit & dome case options
RoHS/WEEE/Reach compliant
Raised Dome Front Mount
Standard Characteristics/Ratings:
ELECTRICAL RATINGS:
Load Sea Level @ 28VDC or 115VAC, 60/400Hz
Resistive 5A
Inductive 3A
Lamp 1A
Motor 3A
DWV 1050Vrms through switch contacts only
Low Level 10mA @ 30mV
Electrical Life: 25,000 cycles
LIGHTING:
Light Source Voltage (DC) Actual Voltage Nominal (DC) Voltage Max (DC)
2 2 2.6
6 7 8
12 13.5 14.5
24 28 28.6
Mechanical Life: 250,000 cycles @ +85°C
25,000 cycles @ -40°C
Seal: IP64 or IP68S
Operating Temp Range: -40°C to +85°C
Operating Force: 2.5 +/- .5 lbs. or 5.0 +/- 1.0 lb.
Total Travel: 0.080 inches max
Overtravel: 0.010 inches min
MATERIALS:
Case: Anodized aluminum alloy
Button: Thermoplastic
Terminals: Standard and low level options available
Mounting Hardware: Hex nut, lockwasher and panel gasket when applicable
Case Style Circuit Rating Light Source Type*
w/ Rev. Pol Protection
Seal Level Operating Force Case Color Button Color Legend Style
E. Exposed Dome
F. Flush Dome
R. Raised Dome
1. Press Fit Mount
3. 5/8” Thread
Front Mount
4. 15/32” Thread
Rear Mount
6. 5/8” Thread
Rear Mount
1. SPST N.O./Std.
2. SPST N.C./Std.
3. SPDT 2 Circuit/Std.
4. SPST N.O./Low Level
5. SPST N.C./Low Level
6. SPDT 2 Circuit/Low Level
A. 2V Red LED
B. 2V Green LED
C. 2V Amber LED
D. 6V Red LED
E. 6V Green LED
F. 6V Amber LED
G. 12V Red LED
H. 12V Green LED
J. 12V Amber LED
K. 24V Red LED
L. 24V Green LED
M. 24V Amber LED
N. 2V Blue LED
P. 6V Blue LED
Q. 12V Blue LED
R. 24V Blue LED
S. 2V Deep Green LED
T. 6V Deep Green LED
U. 12V Deep Green LED
V. 24V Deep Green LED
1. Unsealed
2. Dusttight
3. Watertight
2. 2.5 ± .5 lbs.
5. 5.0 ± 1 lbs.
1. Silver
2. Black
A. Amber, Translucent
(use Amber LED)
R. Red, Translucent
(use Red LED)
W. White, Translucent
Refer to Legend Table
for legend codes in
Appendix. Legends
will be printed in
white on amber and
red buttons and in
black on white buttons.
LP3 PART NUMBER CODE
LP3 – X X X X X X X – XX
* For super bright LEDs, contact factory.
STOP HERE for
illuminated switches
without legends.
MOMENTARY ACTION COMMERCIAL GRADE LED ILLUMINATED & SEALED
91 OTTO Full Line Catalog Specifications Subject To Change Without Notice
6X .020
6X .110
.25
(1.408) (.312)
.250
1.838 MAX.
.624±.001
(.380)
2.150 MAX.
.375
.563 .500
LED CATHODE (-)
LED ANODE (+)
NORMALLY OPEN
TERMINALS NORMALLY CLOSED
TERMINALS
LP3-1
Momentary, Press Fit Mount
1.046
.730
LED CATHODE (-)LED ANODE (+)
NORMALLY OPEN
TERMINALS
NORMALLY CLOSED
TERMINALS
(1.247)
1.677 MAX. (.442)
.44
.020 (TYP.)
.110 (TYP.)
.062
2.120 MAX.
.563
(.380)
5/8-24 UNEF-2A
TO WITHIN .062
OF FLANGE.
LP3-E
Momentary, Exposed Dome Button
.730
1.046
LED CATHODE (-)
LED ANODE (+)
NORMALLY OPEN
TERMINALS NORMALLY CLOSED
TERMINALS
.020 (TYP)
.110 (TYP)
(1.197)
(.492)
1.627 MAX.
.44
2.120 MAX.
.563
(.380)
5/8-24 UNEF-2A
TO WITHIN .062
OF FLANGE.
1.046
.730
LED CATHODE (-)
LED ANODE (+)
NORMALLY OPEN
TERMINALS NORMALLY CLOSED
TERMINALS
.020(TYP)
.110(TYP)
1.607 MAX. (.512)
(1.177)
.44
(.380)
2.120 MAX.
.563
5/8-24 UNEF-2A
TO WITHIN .062
OF FLANGE.
LP3-R
Momentary, Raised Dome Button
LP3-F
Momentary, Flush Dome Button
ILLUMINATED & SEALED PUSHBUTTONS
ILLUMINATED
PUSHBUTTONS
LP3
MOMENTARY ACTION COMMERCIAL GRADE LED ILLUMINATED & SEALED
Specifications Subject To Change Without Notice www.ottoexcellence.com 92
PUSHBUTTONS
NOTE:
For indicator light only,
see LPL indicator light pages 105-107.
6X .020
6X .110
(.687)
.375
(1.033)
1.463 MAX.
.500
.25
2.150 MAX.
.563 .375
.875
(.380)
5/8-24 UNEF-2A
TO WITHIN .062
OF FLANGE
LED CATHODE (-)
LED ANODE (+)
NORMALLY OPEN
TERMINALS NORMALLY
CLOSED
TERMINALS
LP3-6
Momentary, 5/8” Threaded Rear Mount
6X .020
6X .110
.875
(1.283) (.437)
.187
.310
1.713 MAX.
.500
.25
2.150 MAX.
.375
.563
(.380)
5/8-24 UNEF-2A TO
WITHIN .062 OF FLANGE
LED CATHODE (-)
LED ANODE (+)
NORMALLY OPEN
TERMINALS NORMALLY CLOSED
TERMINALS
6X .020
6X .110
.34(1.130)
1.560 MAX.
.25
2.150 MAX.
.375
.563
(.380)
15/32-32 UNS-2A
TO WITHIN .062
OF FLANGE
LED CATHODE (-)
LED ANODE (+)
NORMALLY OPEN
TERMINALS
NORMALLY
CLOSED
TERMINALS
LP3-3
Momentary, 5/8” Threaded Front Mount
LP3-4
Momentary, 15/32” Threaded Rear Mount
ILLUMINATED & SEALED PUSHBUTTONS ILLUMINATED
PUSHBUTTONS
LP3
MOMENTARY ACTION COMMERCIAL GRADE LED ILLUMINATED & SEALED
SPDT-DB
SCHEMATIC
LIGHTING
SCHEMATIC (DC)
CATHODE (-)
ANODE (+)
SPST-NO-DB
SCHEMATIC
SPST-NC-DB
SCHEMATIC
Mouser Electronics
Authorized Distributor
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OTTO:
LP3-V13A3212 LP3-V13B3212 LP3-V13C3212 LP3-V13N3212 LP3-F3A322R LP3-F3B322W LP3-F3C322A LP3-
63A322R LP3-63B322W LP3-63C322A LP3-R1E322W LP3-R4A321W LP3-11G322W LP3-11K322R LP3-
11L322W LP3-11M322A LP3-E1G352R-B2 LP3-E1J221W LP3-E1J222W LP3-E1J322A-H1 LP3-E1K322W LP3-
E1K352R LP3-E1L252W LP3-E3A352R LP3-E3D352R LP3-E3E352W LP3-E3G352R LP3-E3H322W LP3-
E3H352W LP3-E3K352R LP3-E4F122W-R3 LP3-E6G322R LP3-F1A321W LP3-F1A322R LP3-F1B322W LP3-
F1C122A LP3-F1E322W LP3-F1G121R LP3-F1G222R LP3-F1G322R LP3-F1G352R LP3-F1H222W LP3-
F1H251W LP3-F1H322W LP3-F1H352W LP3-F1J122W LP3-F1J222A LP3-F1J222W LP3-F1J322A LP3-F1J322W
LP3-F1J352A LP3-F1K222R LP3-F1K322R LP3-F1K322W LP3-F1K352R LP3-F1L322W LP3-F1L352W LP3-
F1M322A LP3-F1M322W LP3-F1M352A LP3-F1M352A-E1 LP3-F2G322R LP3-F2J222A LP3-F3D352R LP3-
F3G352R LP3-F3G352W LP3-F3H352W LP3-F3J352A LP3-F3K352R LP3-F3L352W LP3-F3M352A LP3-
F4B322W LP3-F4C322A LP3-F4G322R LP3-F4K222R LP3-R1A222R LP3-R1A321W LP3-R1A322R LP3-
R1B321W LP3-R1F322A LP3-R1G321W LP3-R1G322R LP3-R1G322W LP3-R1G352R LP3-R1H321W LP3-
R1H321W-E1 LP3-R1H322W LP3-R1J222W LP3-R1J321A-H1 LP3-R1J322A LP3-R1J322A-B1 LP3-R1K252R
LP3-R1K321R LP3-R1K321W LP3-R1K322W-K1 LP3-R1K322W-R3 LP3-R1L222W LP3-R1L322W-K2 LP3-
R1L322W-R4 LP3-R1L322W-T1