221EN54-R

Technical Characteristics

• Hazardous Locations/Environmental Protection

  corrosion resistant

• Housing Diameter

  1.000 inches nominal

• Actuator Style

  roller plunger

• Terminal Type And Quantity

  1 connector, receptacle

• Thread Series Designator

  unef

• Nonpile-Up Contact Arrangement

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

• Housing Length

  1.840 inches nominal

• Inclosure Type

  fully inclosed

• Maximum Voltage Rating In Volts

  28.0 dc

• Switch Release Force

  64.0 ounces minimum

• Body Style

  bushing mounted

• Actuator Movement

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

• Actuator Roller Diameter

  0.500 inches nominal

• Nominal Thread Size

  0.625 inches

• Actuator Free Position Height

  1.650 inches nominal

• Housing Bushing Length

  0.800 inches nominal

• Contact Load Current Rating At Maximum Rated Voltage

  4.000 amperes resistive dc and 2.000 amperes inductive dc

• Actuator Roller Width

  0.100 inches nominal

• Switch Actuating Force

  96.0 ounces minimum and 160.0 ounces maximum