2N3643

Technical Characteristics

• End Item Identification

  nuclear power plants.

• Body Length

  1.938 inches nominal

• Unthreaded Mounting Hole Diameter

  0.140 inches nominal

• Actuator Style

  roller arm

• Actuator Movement

  0.156 overtravel inches minimum and 0.218 pretravel inches maximum and 0.040 differential inches nominal

• Body Style

  hole mounted

• Nonpile-Up Contact Arrangement

  1 pole, double throw, both positions maintained single switch unit

• Switch Release Force

  0.7 ounces minimum

• Hazardous Locations/Environmental Protection

  dustproof

• Terminal Type And Quantity

  3 screw

• Mounting Method

  unthreaded hole

• Body Height

  1.938 inches nominal

• Actuator Free Position Height

  1.188 inches nominal

• Overall Length

  2.110 inches nominal

• Actuator Roller Diameter

  0.375 inches nominal

• Contact Load Current Rating At Maximum Rated Voltage

  5.000 amperes resistive ac

• Overall Width

  0.688 inches nominal

• Body Width

  0.688 inches nominal

• Precious Material And Location

  contacts silver

• Precious Material

  silver

• Criticality Code Justification

  feat

• Special Features

  weapon system essential

• Switch Actuating Force

  3.5 ounces maximum

• Maximum Voltage Rating In Volts

  230.0 ac

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.000 inches nominal

• Actuator Roller Width

  0.156 inches nominal

• Inclosure Type

  fully inclosed