4-1900-8-B2

Technical Characteristics

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Length

  4.170 inches nominal

• First Flat Length

  0.250 inches nominal

• Flat Height

  0.210 inches nominal

• Shaft Diameter

  0.250 inches nominal

• Shaft Length

  0.820 inches nominal

• Nonturn Device Radius

  0.432 inches nominal

• Nonturn Device Type

  tab

• Operating Temp Range

  m65.0/p125.0 deg celsius

• Throw Quantity

  2

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Rotor Through Connection Quantity

  3

• Switch Actuator Indexing Position Quantity

  2

• Terminal Type

  tab,solder lug

• Contact Switching Action

  breaks before makes

• Contact Switching Action

  makes before breaks

• Switch Actuator Positioning Increment

  30.0 degrees

• Switch Actuator Stop Device Type

  fixed stop

• Contact Load Current Rating

  2.0 amperes resistive load

• Contact Load Current Rating

  500.0 milliamperes resistive load

• Thread Series Designator

  unef

• Thread Class

  2a

• Thread Length

  0.440 inches nominal

• Overall Diameter

  1.100 inches nominal

• Individual Section Quantity

  8

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  3

• Mounting Method

  threaded bushing

• Nominal Thread Size

  0.375 inches

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device

• Shaft Type

  round,flatted

• Contact Load Current Rating

  1.0 amperes resistive load