1900-4A5

Technical Characteristics

• Overall Length

  2.790 inches nominal

• Shaft Length

  0.370 inches nominal

• Nonturn Device Radius

  0.432 inches nominal

• Individual Section Quantity

  4

• Nonturn Device Type

  tab

• Operating Temp Range

  m65.0/p85.0 deg celsius

• Pole Quantity

  1

• Throw Quantity

  5

• Nominal Thread Size

  0.375 inches

• Switch Actuator Indexing Position Quantity

  5

• Terminal Type

  screw

• Contact Switching Action

  breaks before makes

• Contact Load Current Rating

  2.0 amperes inductive load and 3.0 amperes resistive load

• Contact Load Current Rating

  5.0 amperes resistive load

• Thread Series Designator

  unef

• Thread Class

  2a

• Thread Length

  0.430 inches nominal

• Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.250 inches nominal

• Flat Height

  0.207 inches minimum and 0.213 inches maximum

• Shaft Diameter

  0.248 inches minimum and 0.252 inches maximum

• Overall Diameter

  1.100 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  threaded bushing

• Features Provided

  metallic inclosure

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Type

  round,flatted

• Switch Actuator Positioning Increment

  36.0 degrees