SERIES381

Technical Characteristics

• Actuator Travel Control Feature

  stops

• Overall Length

  1.703 inches minimum and 1.828 inches maximum

• Section Quantity

  2

• Body Style

  cylindrical bushing mounted

• Electrical Resistance Per Section

  10.0 kilohms all sections

• Body Diameter

  0.625 inches nominal

• Terminal Type And Quantity

  6 tab, solder lug

• Shaft Length

  1.031 inches nominal

• Actuator Type

  dual concentric

• Nonturn Device Radius

  0.312 inches nominal

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

  120.0 all sections

• Overall Diameter

  0.874 inches nominal

• Rotary Actuator Travel In Angular Deg

  300.0 nominal

• Shaft Style

  round, stepped

• Mounting Bushing Length

  0.359 inches minimum and 0.391 inches maximum

• Resistance Temp Characteristic Range Per Section In Percent

  -3.0/+3.0 105 deg celsius all sections and -2.5/+2.5 85 deg celsius all sections and -0.0/+5.5 -55 deg celsius all sections and -0.0/+2.0 0 deg celsius all sections and -0.0/+4.0 -40 deg celsius all sections and -4.0/+4.0 120 deg celsius all sections

• Maximum Starting Torque

  6.00 inch-ounces

• Body Length

  0.734 inches minimum and 0.797 inches maximum

• Undercut Diameter

  0.079 inches nominal

• Shaft Diameter

  0.125 inches nominal

• Reliability Indicator

  not established

• Screw Thread Series Designator

  unef

• Effective Electrical Rotation In Deg Angular Rotation

  270.0 nominal

• Nonturn Device Location

  at 9 oclock

• Mounting Method

  standard bushing

• Standard Taper Curve Per Section

  a all sections

• Resistance Tolerance Per Section In Percent

  -10.0/+10.0 all sections

• Undercut Length

  0.516 inches nominal

• Terminal Location

  radially positioned over less than half the circumference

• Screw Thread Diameter

  0.250 inches nominal

• Power Dissipation Rating Per Section In Watts

  1.0 free air all sections

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

  70.0 all sections

• Maximum Running Torque

  0.50 inch-ounces

• Screw Thread Quantity Per Inch

  32.0