P1-12611 Details

OTTO P1 Push Button Switches are a selection of snap-action, momentary Push Button Switches - Military grade, suitable for extreme conditions. Sealed for a longer life, smooth operation & wide temperature range with a mechanical life of 50,000+ cycles. KEY FEATURES • Low Resistance • Customisation Available • RoHS/WEEE/Reach compliant Useful in panel boards, control grips, computers, instruments & pressure switches. Available with a range of custom configurations.


The OTTO P1 Switches are a selection of snap-action, momentary Push Button Switches.

Military grade, suitable for extreme conditions & sealed for a longer life - Military grade, ideal for use in extreme conditions.


Button sealed with patented “rolling sleeve” principle
Contact area sealed at button & terminals
Less than 25mΩ contact resistance
Ideal for low level switching as well as up to 10 amp duty
Positive tactile feedback
Variety of mounting styles
Engraved buttons & bezels available
UL recognized & CSA certified
Watertight to IP68S available
RoHS/WEEE/Reach compliant


Electrical Rating: Load Sea Level @ 28VDC or 115VAC, 60/400Hz
Electrical Rating: 50,000 feet @ 28VDC or 115VAC, 60/400Hz
Resistive 10A/Inductive 5A/Lamp 3A/Motor 3A/Center Contact 3A max
DWV: 1050Vrms or 400Vrms
Low Level: 10mA @ 30mV max DC or peak AC
Electrical Life:  25,000 cycles
Mechanical Life:  50,000 cycles, circuit forms 3, 4, & 5  
Mechanical Life: 250,000 cycles, circuit forms 1, 2 & 6
Seal:  MIL-PRF-8805 Design 2 or  Watertight per IP68S or MIL-PRF-8805 Design 3
Operating Temp Range: -55°C to +85°C
Operating Force:  2.5 lbs. or 4.0 lbs
Reset Force:  0.75 lb. or 1.0 lb
Total Travel:  0.085 +/- 0.015 inches
Overtravel:  0.012 inches min
Movement Differential: 0.015 inches min


Case:  Black anodized aluminum alloy
Button:  Thermoplastic
Terminals:  Brass with silver plate, gold plate for low level
Terminal Hardware: Screws, lockwasher and solder lugs for screw terminal option
Mounting Hardware: Hex nut and lockwasher, panel seal on watertight switches