SUBMINIATURE WATERTIGHT SEALED LIMIT
SWITCHES
P6-3
Specifications Subject To Change Without Notice www.ottoexcellence.com 49
LIMIT SWITCHES
FEATURING OTTO B5 SERIES BASIC SWITCHES
These subminiature sealed switches are contained in a rugged
aluminum housing with choice of lever, roller or plunger. Featuring
the B5 series basic switch, the P6-3 series is able to switch up to
10 amps. The high contact pressure and superior wiping action of
the OTTO design also makes the P6-3 series an excellent choice
when switching logic level loads.
Sealing against water and other liquids is per MIL-PRF-8805. Wire
leaded models feature potted leads. The solder terminals are
epoxy sealed.
Features:
• Compact design
• Watertight to MIL-PRF-8805
• Choice of four actuator styles
• Choice of two termination styles
• Up to 10 amps switching capability
• High contact pressure for low levels
• Precision operating points
Roller
Lever Style Lever Style
Plunger
Style
Overtravel
Plunger Style
Standard Characteristics/Ratings:
ELECTRICAL RATINGS: Sea Level @ 28VDC 50,000 feet @ 28VDC
Load Single Circuit N.O. or N.C. 2 Circuit Per Pole Single Circuit N.O. or N.C. 2 Circuit Per Pole
Resistive 10A 10A 10A 10A
Inductive 7.5A 5A 3.5A 2A
Motor 4A 2A N/A N/A
DWV 1000Vrms 500Vrms
Electrical Life: 50,000 cycles
Mechanical Life: 50,000 cycles
OPERATIONAL: P6-31 P6-32 P6-33 P6-34 P6-35 P6-36 P6-37 P6-38
Operating Force: 16 oz max 40 oz max 20 oz max 40 oz max 32 oz max 60 oz max 20 oz max 48 oz max
Release Force: 4 oz min 8 oz min 4 oz min 8 oz min 4 oz min 24 oz min 4 oz min 8 oz min
Movement Differential: 0.060” max 0.020” max 0.060” max 0.020” max 0.080” max 0.035” max 0.080” max 0.040” max
Pretravel: 0.125” max 0.050” max 0.125” max 0.070” max 0.125” max 0.050” max 0.125” max 0.070” max
Overtravel: 0.025” min 0.012” min 0.025” min 0.187” min 0.025” min 0.012” min 0.025” min 0.187” min
Strength of Actuator: 10.0 lbs. 25.0 lbs. 10.0 lbs. 25.0 lbs. 10.0 lbs. 25.0 lbs. 10.0 lbs. 25.0 lbs.
Temperature Range: -55°C to +85°C
Seal: Enclosure Design 3, watertight per MIL-PRF-8805
MATERIALS:
Plunger: Corrosion resistant steel
Lever: Corrosion resistant steel (where applicable)
Mounting Hardware: None provided
50 OTTO Full Line Catalog Specifications Subject To Change Without Notice
SUBMINIATURE WATERTIGHT SEALED
LIMIT
SWITCHES
P6-3
FEATURING OTTO B5 SERIES BASIC SWITCHES
Actuator Style Terminal Style Circuitry Mounting Holes (See drawing below.) Serial Digit
1. Lever
2. Plunger
3. Roller Lever
4.Overtravel Plunger ➀
1. Solder Terminals
3. 1’ Potted Leads
4. 3’ Potted Leads
5.6’ Potted Leads
1. SPNO-DB, Form X
2. SPNC-DB, Form Y
3. SPDT-SB, Form C
4.SPDT-DB, Form Z
1. No Holes ➀
2.1/2” Centers for #4-40 Screws
4.3/8” Centers for #2-56 Screws
0. O Except for
Specials
P6-3 PART NUMBER CODE
Single Pole
P6-3 X X X X X
➀
Overtravel model does not have mounting holes; it is bushing mounted.
Specifications Subject To Change Without Notice www.ottoexcellence.com 51
LIMIT SWITCHES
SUBMINIATURE WATERTIGHT SEALED LIMIT
SWITCHES
P6-3
FEATURING OTTO B5 SERIES BASIC SWITCHES
Actuator Style Terminal Style Circuitry Mounting Holes (See drawing below.) Serial Digit
5. Lever
6.Plunger
7.Roller Lever
8. Overtravel Plunger ➀
1. Solder Terminals
2.Taper Tab, Quick Disconnect
3.1’ Potted Leads
4. 3’ Potted Leads
5. 6’ Potted Leads
1. DPNO-DB, Form XX
2.DPNC-DB, Form YY
3.DPDT, Form CC
4. DPDT-DB, Form ZZ
1.No Holes ➀
2.1/2” Centers for #4-40 Screws
4. 3/8” Centers for #2-56 Screws
0. O Except for
Specials
P6-3 PART NUMBER CODE
Double Pole
P6-3 X X X X X
➀
Overtravel model does not have mounting holes; it is bushing mounted.
STYLE P6-35STYLE P6-35 STYLE P6-36STYLE P6-36 STYLE P6-37STYLE P6-37 STYLE P6-38STYLE P6-38
STYLE P6-35STYLE P6-35 STYLE P6-36STYLE P6-36 STYLE P6-37STYLE P6-37 STYLE P6-38STYLE P6-38
