AUXILIARY ACTUATORS FOR BASIC SWITCHES
PUSHBUTTONS
FOR BASICS
P4
76 OTTO Full Line Catalog Specifications Subject To Change Without Notice
BUSHING MOUNT PUSHBUTTONS FOR OTTO B2 & B3 BASICS
Sealed Construction
P4 series auxiliary actuators are designed to work
with OTTO B2 (single break) and B3 (double break)
basic switches. Auxiliary type actuators offer a wide
variety of styles and types. Special basic switch
characteristics can be specified to match your
application needs. All case styles, except 1 and 4,
feature OTTO’s patented “rolling sleeve” principle
and are sealed to IP64.
Unsealed Construction
These unsealed pushbutton actuators feature a
choice of 1/4” and 15/32” mounting bushings with
nylon buttons available in nine colors. Choose single,
two, three and four pole models. To order standard
models, use the Part Number Code shown below.
Sealed Construction
Moistureproof at the front panel. Choice of one and two pole
configurations. Select from a variety of six bezel/bushing mount
case styles in clear (silver) or black anodized aluminum. Styles C, H
and F are illustrated here. For styles A, B and G, see P1 series
information. Buttons are available in nine colors. Basic switches are
per MIL-PRF-8805/101.
Operating Force: 4.0 lbs. max
Use Part Number Code below to specify your requirements.
RFI Shielding Option with
Moistureproof Panel Seal
RFI shielding can be included along with the
moistureproof sealing feature in all case styles
except styles 1 and 4, in two pole momentary action.
Case styles are illustrated at left. The plunger seal is
dusttight and moistureproof. Basic switches per
MIL-PRF-8805/101.
Operating Force: 5.0 lbs. max
To order, see Part Number Code below.
Case Style 1 (1/4-40 Bushing)
Case Style 4
(15/32 Bushing)
1 thru 4 Poles
Only Case Styles C, F and H are shown here. See P1 series information for case styles A, B and G.
Style C Style H Style F
Number Operating Release
of Poles Force (oz) Force (oz)
182
2 16 2
3 24 3
4 32 4
ORDERING INFORMATION:
Standard Auxiliary Actuator Assemblies for Basics
Select the OTTO P4 pushbutton switch assembly to match your
specific application needs. Standard and special features are
shown at right. Specify your choice by building the OTTO Part
Number Code.
Example: P4-614121 features the style “F” case, DPDT (4 terminals
each), PC terminals, single step momentary action, black bezel
with red button.
Case
Style
Terminal
Style
Circuit
Form
Switching
Action
Bezel
Color
Button
Color
1. 1/4-40 THD
2. Style B
➂
3. Style C
4. 15/32-32 THD
5. Style A
➂
6. Style F
7. Style G
➂
8. Style H
1. PC Terminal
2. Turret
3. Wire Wrap
1. SPDT 3 Terminal
2. SPDT 4 Terminal
3. DPDT 6 Terminal
4. DPDT 8 Terminal
5. 3PDT 9 Terminal
➀
6. 3PDT 12 Terminal
➀
7. 4PDT 12 Terminal
➀
8. 4PDT 16 Terminal
➀
1. Momentary
2. Two Step
➁
3. RFI Shielded
➁
(Momentary)
1. Silver
2. Black
1. Red
2. Black
3. Orange
4. Yellow
5. Green
6. Blue
7. Purple
8. Gray
9. White
P4 PART NUMBER CODE
P4 –X X X X X X
➀Available in case styles 1 and 4 only.
➁Not available in case styles 1 and 4.
➂See P1 Series information for front panel appearance details.
ACTUATORS FOR BASIC SWITCHES
PUSHBUTTONS
FOR BASICS
P4
Specifications Subject To Change Without Notice www.ottoexcellence.com 77
PUSHBUTTONS
BUSHING MOUNT PUSHBUTTONS FOR B2 & B3 BASICS
Standard Sealed TwoStepTM
Ideal for applications requiring three
modes of operation: "OFF," Level 1 and
Level 2. Plunger seal is dusttight and
moistureproof. Available in P1 series bezel
styles C, F and H. Two pole only.
Standard Operating Force:
Position 1: 2.25 lbs. max
Position 2: 3.25 lbs. max
Total Travel: 0.140 inches max
Rugged Sealed Panel
These rugged, sealed aluminum
pushbutton actuators are anodized
in a variety of colors. Available in
one and two pole models. An O-ring
provides the panel seal to keep out
water and dust from the basic
switches behind the panel.
Operating Force:
1 Pole: 2.5 lbs. max
2 Pole: 4.0 lbs.
To order, please use table.
Part No. Part No. Button
SPDT-DB DPDT-DB Color
P4-10050-1 P4-10149-1 Red
P4-10050-2 P4-10149-2 Black
N/A P4-10149-3 Orange
N/A P4-10149-4 Yellow
N/A P4-10149-6 Blue
N/A P4-10149-7 Purple
N/A P4-10149-9 Clear
Special TwoStepTM Pushbutton,
Dusttight Sealed
Switch “A” operates at Level 1; stays “on” when Level 2
operates Switch “B”.
Circuit: SPDT 2 circuit
Rating: 5 amps Resistive
3 amps Inductive @ 28VDC
Operating Force: Level 1: 1.75 +/- 0.5 lb.
Level 2: 2.75 +/- 0.5 lb.
Button: Red nylon
P4-20002
Miniature, Offset Pushbutton
This miniature switch features an offset pushbutton
to clear back of panel interference, stainless steel
bushing and natural acetal button.
Operating Force: 8 oz max
Circuit: SPDT
Rating: 1 amp Resistive
Mechanical Life: 50,000 cycles
Electrical Life: 25,000 cycles
P4-900027
Style F, Sealed, 2 Pole
Moistureproof and dusttight sealed switch features the
“F” style bezel, as illustrated on previous page. Button is
molded of gray nylon.
Total Travel: 0.100" max
Operating Force: 4.0 lbs. +/- 1.0 lb.
Circuit: DPNO-DB
Rating: 10 amps Resistive
5 amps Inductive
Mechanical Life: 50,000 cycles
Electrical Life: 25,000 cycles
P4-600009
Splash and Dusttight Sealed,
2 Pole, 4 Circuit
Operating Force: 4.0 lbs. +/- 1.0 lb.
Circuit: DPDT 4 circuit
Rating: 5 amps Resistive
3 amps Inductive
Contacts: Gold plate per MIL-PRF-8805/101-010
Button: Black nylon
P4-10044
P4-10050-x P4-10149-x
P4-10050-X P4-10149-X
Sequence of Action
Full Out
Position 1
Position 2
SPECIAL PUSHBUTTON ACTUATORS
PUSHBUTTONS
FOR BASICS
P4
78 OTTO Full Line Catalog Specifications Subject To Change Without Notice
BUSHING MOUNT PUSHBUTTONS FOR B2 & B3 BASICS
Square Button, Single Pole, 2 Circuit
This subminiature pushbutton switch features a button
molded of Lexan.
Operating Force: 24 +/- 4 oz
Rating: 5 amps Resistive
3 amps Inductive
Contacts: Gold plate
White and other colors available.
P4-300015
Watertight Panel Sealed
Double Pole
Dress ring has O-ring provision for watertight panel
seal. Button and case are black. Switch uses MIL-PRF-
8805/101 basics. Seal is watertight. Operating force
is 4.0 lbs.
P4-900003
Vandal Resistant
Brass plated dull nickel housing and button is watertight
sealed. Ideal for unattended machines operated by
the public.
Total Travel: 0.10" max
Operating Force: 4.0 lbs. max
Circuit: DPNO-DB
Mechanical Life: 250,000 cycles
Bezel: 0.969" dia.
Button: 0.600" dia.
P4-10155-2
For larger 1.5" dia., SPNO-DB design, see P1-90135-2.
2 Pole, Right Angle, Bushing Mount—
Single and TwoStepTM Versions
Right angle bushing mount assembly of basic switches.
Either 2-mode momentary or 3-mode. TwoStepTM (OFF-
Level 1-Level 2) action.
Operating Force: 24 +/- 4 oz
Rating: 8 amps Resistive
Plunger: Red nylon (Other colors available)
Bushing: Stainless steel
Single Level: P4-10022 TwoStepTM: P4-20003
1/4-40 Bushing, SPDT 2 Circuit
This subminiature pushbutton switch features an
anti-turn device to facilitate installation.
Operating Force: 10 oz max
Rating: 8 amps Resistive @ 28VDC
Bushing: Stainless steel
Bracket: Stainless steel
Button: Nylon
P4-10029
Shroud Protected Button, 2 Pole
Button is protected against accidental actuation by a black
anodized shroud.
Operating Force: 4.0 lbs. +/- 1.0 lb.
Rating: 5 amps Resistive
2 amps Inductive @ 28VDC
Button: Red nylon
P4-900013
6 Pole, Right Angle, PC Mount
Solders into printed circuit board. Basic switches per
MIL-S-8805/4.
Operating Force: 3.5 lbs. max
Rating: 1 amp Resistive
Contacts: Gold
Button Color: Choice of nine colors
P4-10073-X
(X denotes button color)
8 Pole, Positive Detent, Sealed
Circuit: 8 PDT
Rating: 1 amp Resistive
0.5 amps Inductive
Bracket: Stainless steel
Bushing: Aluminum black anodized
Button: Nylon, choice of nine colors
P4-10082-X
(X denotes button color)
Miniature with Shrouded
Pushbutton, Unsealed
Total Travel: 0.070" max
Operating Force: 2.5 lbs. max
Circuit: DPDT-DB
Rating: 8 amps Resistive @ 28VDC
Button: Black nylon
Housing: Clear anodized aluminum
Plunger: Unsealed
P4-10090
Miniature with Shrouded Pushbutton,
Dusttight Sealed
Total Travel: 0.100" max
Operating Force: 4.0 lbs. max
Circuit: DPDT-DB
Rating: 8 amps Resistive @ 28VDC
Button: Black nylon
Housing: Black anodized aluminum
Plunger: Dusttight sealed
P4-900019
