UNMD4221

Technical Characteristics

• Section Quantity

  1

• Overall Length

  2.187 inches nominal

• Shaft Diameter

  0.250 inches nominal

• Shaft Style

  1c round

• Effective Electrical Rotation In Deg Angular Rotation

  280.0 nominal

• Maximum Starting Torque

  0.50 inch-ounces (ounce-inches)

• Maximum Running Torque

  0.25 inch-ounces (ounce-inches)

• Screw Thread Diameter

  0.375 inches nominal

• Screw Thread Quantity Per Inch

  32.0

• Mounting Method

  standard bushing

• Rotary Actuator Travel In Angular Deg

  280.0 nominal

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

  340.0 single section

• Power Dissipation Rating Per Section In Watts

  25.0 free air single section

• Actuator Travel Control Feature

  stops

• Standard Taper Curve Per Section

  a single section

• Body Style

  1b cylindrical bushing mounted

• Reliability Indicator

  not established

• Body Diameter

  1.625 inches nominal

• Shaft Length

  0.875 inches nominal

• Mounting Bushing Length

  0.375 inches nominal

• Body Length

  1.312 inches nominal

• Actuator Type

  single shaft

• Nonturn Device Location

  at 6 oclock

• Nonturn Device Radius

  0.500 inches nominal

• Screw Thread Series Designator

  unef

• Terminal Location

  radially positioned over less than half the circumference

• Terminal Type And Quantity

  3 tab, solder lug

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

  40.0 single section

• Resistance Tolerance Per Section In Percent

  -10.0 to 10.0 single section

• Electrical Resistance Per Section

  4.220 kilohms single section