539042-1

Technical Characteristics

• Effective Electrical Rotation In Deg Angular Rotation

  260.0 nominal

• Screw Thread Quantity Per Inch

  20.0

• Screw Thread Diameter

  0.250 inches nominal

• Ambient Temp In Deg Celsius Per Section At Full Rated Power

  70.0 all sections

• Switch Voltage Rating In Volts

  125.0

• Switch Current Type And Rating In Amps

  2.000 dc

• Undercut Diameter

  0.125 inches nominal

• Actuator Travel Control Feature

  stops

• Terminal Location

  rear-bottom

• Section Quantity

  2

• Power Dissipation Rating Per Section In Watts

  0.5 free air all sections

• Body Style

  cylindrical bushing mounted

• Body Diameter

  0.781 inches maximum

• Terminal Type And Quantity

  6 tab, solder lug

• Switch Type

  rotary

• Features Provided

  nonmetallic shaft

• Actuator Type

  dual concentric

• Undercut Length

  0.444 inches nominal

• Rotary Actuator Travel In Angular Deg

  260.0 nominal

• Shaft Style

  round, stepped

• Shaft Diameter

  0.250 inches nominal

• Shaft Length

  1.444 inches nominal

• Body Length

  1.140 inches maximum

• Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power

  125.0 all sections

• Temp Coefficient Of Resistance Per Section In Ppm Per Deg Celsius

  -250.0/+250.0 all sections

• Overall Diameter

  0.967 inches maximum

• Reliability Indicator

  not established

• Screw Thread Series Designator

  unef

• Switch Operating Position

  start of rotation

• Mounting Bushing Length

  0.250 inches nominal

• Nonturn Device Radius

  0.437 inches nominal

• Overall Length

  3.427 inches maximum

• Mounting Method

  standard bushing

• Standard Taper Curve Per Section

  a all sections

• Resistance Tolerance Per Section In Percent

  -10.0/+10.0 all sections

• Switch Contact Arrangement

  single pole, single throw, normally open, both positions maintained

• Electrical Resistance Per Section

  50.0 ohms all sections