55-50-278

Technical Characteristics

• Actuator Travel Control Feature

  stops

• Screw Thread Quantity Per Inch

  32.0

• Effective Electrical Rotation In Deg Angular Rotation

  310.0 nominal

• Section Quantity

  1

• Terminal Location

  radially positioned over less than half the circumference

• Standard Taper Curve Per Section

  a single section

• Overall Length

  1.250 inches nominal

• Mounting Method

  standard bushing

• Electrical Resistance Per Section

  50.000 kilohms single section

• Body Diameter

  0.885 inches nominal

• Screw Thread Series Designator

  unef

• Reliability Indicator

  not established

• Nonturn Device Radius

  0.344 inches minimum and 0.375 inches maximum

• Actuator Type

  single shaft

• Terminal Type And Quantity

  3 solder stud

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

  100.0 single section

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

  80.0 single section

• Rotary Actuator Travel In Angular Deg

  320.0 nominal

• Resistance Tolerance Per Section In Percent

  -5.0/+5.0 single section

• Mounting Bushing Length

  0.375 inches nominal

• Shaft Length

  0.859 inches minimum and 0.891 inches maximum

• Body Length

  0.359 inches minimum and 0.391 inches maximum

• Maximum Stop Torque

  40.00 inch-ounces

• Screw Thread Diameter

  0.375 inches nominal

• Nonturn Device Location

  at 12 oclock

• Power Dissipation Rating Per Section In Watts

  3.0 free air single section

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

  -20.0/+20.0 single section

• Shaft Style

  round, slotted

• Body Style

  cylindrical bushing mounted

• Shaft Diameter

  0.248 inches minimum and 0.251 inches maximum