21EN51RB6

Technical Characteristics

• Mounting Method

  threaded bushing

• Actuator Roller Diameter

  0.500 inches nominal

• Actuator Roller Width

  0.120 inches nominal

• Bushing Length

  0.656 inches nominal

• Terminal Type And Quantity

  1 connector, receptacle

• Hazardous Locations/Environmental Protection

  explosion proof

• Switch Release Force

  32.0 ounces minimum

• Nonpile-Up Contact Arrangement

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

• Switch Actuating Force

  48.0 ounces minimum and 96.0 ounces maximum

• 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

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Body Length

  2.906 inches nominal

• Actuator Style

  roller plunger

• Body Diameter

  1.000 inches nominal

• Body Style

  bushing mounted

• Thread Series Designator

  unef

• Contact Load Current Rating At Maximum Rated Voltage

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

• Thread Class

  2a

• Actuator Free Position Height

  1.781 inches nominal