SW21-25

Technical Characteristics

• Body Length

  1.937 inches nominal

• Thread Series Designator

  unf

• Actuator Height

  0.339 inches nominal

• Terminal Type And Quantity

  2 screw

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.000 inches nominal

• Maximum Voltage Rating In Volts

  250.0 ac and 230.0 dc

• Inclosure Type

  fully inclosed

• Actuator Free Position Height

  1.500 inches nominal

• Nominal Thread Size

  0.138 inches

• Actuator Diameter

  0.328 inches nominal

• Features Provided

  actuator seal

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally open, momentary action single switch unit

• Switch Release Force

  4.0 ounces minimum

• Center To Center Distance Between Adapter Mounting Facilities Parallel To Length

  1.812 inches nominal

• Actuator Adapter Style

  pushbutton

• Actuator Style

  round

• Hazardous Locations/Environmental Protection

  dustproof

• Body Width

  0.687 inches nominal

• Switch Actuating Force

  16.0 ounces maximum

• Body Style

  bushing/hole mounted

• Bushing Length

  0.500 inches nominal

• Body Height

  0.990 inches nominal

• Actuator Movement

  0.093 overtravel inches minimum and 0.187 pretravel inches maximum and 0.005 differential inches maximum