21EN13

Technical Characteristics

• Actuator Free Position Height

  1.781 inches nominal

• Nonpile-Up Contact Arrangement

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

• Thread Class

  2a

• Body Diameter

  0.970 inches minimum and 1.030 inches maximum

• Thread Series Designator

  unef

• Body Length

  1.075 inches maximum

• Body Style

  bushing mounted

• Terminal Type And Quantity

  3 wire lead

• Overall Length

  2.966 inches maximum

• Actuator Style

  roller plunger

• Contact Load Current Rating At Maximum Rated Voltage

  4.000 amperes motor dc and 5.000 amperes resistive ac and 3.000 amperes inductive dc and 2.400 amperes lamp dc and 5.000 amperes resistive dc and 5.000 amperes inductive ac

• Bushing Length

  0.595 inches minimum and 0.655 inches maximum

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Actuator Movement

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

• Nominal Thread Size

  0.625 inches

• Inclosure Type

  fully inclosed

• Switch Actuating Force

  192.0 ounces maximum

• Switch Release Force

  64.0 ounces minimum

• Overall Width

  1.000 inches nominal

• Overall Height

  1.000 inches nominal

• Mounting Method

  threaded bushing