1900-2B3

Technical Characteristics

• First Flat Length

  0.250 inches nominal single actuator

• Style Designator

  tap, circular, bushing mount

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Type

  round, flatted single actuator

• Hazardous Locations/Environmental Protection

  explosion proof

• Mounting Method

  threaded bushing single mounting facility

• Thread Class

  2a single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• Contact Load Current Rating

  3.0 amperes resistive load dc at sea level

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Switch Actuator Positioning Increment

  36.0 degrees single actuator

• Flat Height

  0.207 inches minimum single actuator and 0.213 inches maximum single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Terminal Type

  screw

• Throw Quantity

  3 each section rear

• Shaft Diameter

  0.248 inches minimum single actuator and 0.252 inches maximum single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Contact Load Current Rating

  2.0 amperes inductive load dc at sea level and 5.0 amperes resistive load ac at sea level

• Features Provided

  metallic inclosure

• Pole Quantity

  1 each section front

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Individual Section Quantity

  2

• Overall Length

  2.110 inches nominal

• Overall Diameter

  1.100 inches nominal

• Err Default

  err default

• Contact Switching Action

  breaks before makes each section rear

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Shaft Length

  0.370 inches nominal single actuator

• Nonturn Device Radius

  0.432 inches nominal at 3:00 o'clock