1-1909M2-4N

Technical Characteristics

• Thread Length

  0.437 inches nominal single mounting facility

• Iii Hazardous Locations/Environmental Protection

  dustproof

• Overall Length

  2.244 inches nominal

• Shaft Diameter

  0.250 inches nominal single actuator

• Shaft Length

  0.875 inches nominal single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  2 each section front

• Nominal Thread Size

  0.375 inches single mounting facility

• Iii Shaft Flat/Slot Angular Location

  0.0 degrees from contact position 1 single actuator

• Shaft Type

  round, flatted single actuator

• Contact Switching Action

  breaks before makes each section front

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level

• Design Control Reference

  1-109m2-4n

• Manufacturers Code

  91812

• Thread Series Designator

  unef single mounting facility

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.214 inches nominal single actuator

• Individual Section Quantity

  2

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Terminal Type

  tab, solder lug

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Style Designator

  9 tap, circular, bushing mount