21EN31R1

Technical Characteristics

• Special Features

  leads embedded and sealed with epoxy casting resin and sealer

• Actuator Roller Diameter

  0.500 inches nominal

• Contact Load Current Rating At Maximum Rated Voltage

  4.000 amperes resistive dc and 2.000 amperes inductive dc and 4.000 amperes motor dc

• Overall Width

  1.000 inches nominal

• Actuator Roller Width

  0.120 inches nominal

• Switch Release Force

  64.0 ounces minimum

• Overall Length

  2.760 inches nominal

• Nonpile-Up Contact Arrangement

  2 pole, double throw, one position momentary single switch unit

• Actuator Free Position Height

  1.700 inches nominal

• Hazardous Locations/Environmental Protection

  corrosion resistant

• Body Width

  1.000 inches nominal

• Inclosure Type

  fully inclosed

• Nominal Thread Size

  0.625 inches

• Actuator Movement

  0.250 overtravel inches minimum and 0.040 pretravel inches maximum and 0.020 differential inches maximum

• Case Material

  metal

• Body Height

  1.750 inches nominal

• Switch Actuating Force

  96.0 ounces minimum and 192.0 ounces maximum

• Features Provided

  actuator seal

• Actuator Style

  roller plunger

• Maximum Voltage Rating In Volts

  28.0 dc

• Body Length

  1.060 inches maximum

• Body Style

  bushing mounted

• Thread Series Designator

  unef

• Bushing Length

  0.577 inches nominal

• Overall Height

  2.300 inches maximum

• Terminal Type And Quantity

  6 printed circuit

• Mounting Method

  threaded bushing