1857251-407

Technical Characteristics

• Thread Series Designator

  unef single mounting facility

• Shaft Flat/Slot Angular Location

  30.0 degrees from nonturn device single actuator

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• First Flat Length

  0.312 inches nominal single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Throw Quantity

  7 each section rear

• Contact Load Current Rating

  250.0 milliamperes resistive load dc at sea level

• Contact Load Current Rating

  500.0 milliamperes resistive load ac at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Terminal Type

  tab, solder lug

• Nonturn Device Radius

  0.531 inches nominal at 3:00 o'clock

• Nonturn Device Type

  tab at 3:00 o'clock

• Thread Class

  2a single mounting facility

• Switch Actuator Indexing Position Quantity

  7 single actuator

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  125.0 dc at sea level

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Overall Length

  3.844 inches nominal

• Overall Diameter

  1.562 inches maximum

• Shaft Type

  round, flatted single actuator

• Flat Height

  0.216 inches nominal single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Length

  0.750 inches nominal single actuator

• Individual Section Quantity

  4

• Err Default

  err default

• Contact Switching Action

  breaks before makes each section rear

• Pole Quantity

  1 each section rear

• Style Designator

  circular wafer, bushing mount