4P1957

Technical Characteristics

• Screw Thread Quantity Per Inch

  32.0

• Fragility Factor

  moderately rugged

• Shaft Diameter

  0.248 inches minimum and 0.251 inches maximum

• Body Style

  cylindrical bushing mounted

• Section Quantity

  3

• Power Dissipation Rating Per Section In Watts

  1.0 7th secondary finish

• Overall Length

  2.468 inches nominal

• Screw Thread Diameter

  0.375 inches nominal

• Electrical Resistance Per Section

  1.0 percent, rated amperes c and better select

• Terminal Type And Quantity

  9 tab, solder lug

• Shaft Style

  round

• Nonturn Device Location

  at 3 oclock and at 9 oclock

• Electrical Resistance Per Section

  15.0 percent, rated amperes c and better finish

• Power Dissipation Rating Per Section In Watts

  1.0 7th secondary pattern

• Actuator Type

  single shaft

• Reliability Indicator

  not established

• Electrical Resistance Per Section

  200.0 percent, rated amperes c and better industrial clears

• Screw Thread Series Designator

  unef

• Body Length

  1.844 inches minimum and 1.969 inches maximum

• Mounting Bushing Length

  0.250 inches nominal

• Body Diameter

  1.125 inches minimum and 1.188 inches maximum

• Mounting Method

  standard bushing

• Nonturn Device Radius

  0.578 inches nominal

• Resistance Tolerance Per Section In Percent

  -10.0/+10.0 all sections

• Shaft Length

  0.547 inches nominal

• Standard Taper Curve Per Section

  a single section

• Terminal Location

  radially positioned over less than half the circumference

• Power Dissipation Rating Per Section In Watts

  1.27 7th secondary grams

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

  70.0 single section