19912-539

Technical Characteristics

• Contact Switching Action

  breaks before makes 2nd section front

• Contact Load Current Rating

  1.0 amperes resistive load dc at sea level

• Pole Quantity

  1 1st section rear

• Shaft Type

  round 2nd actuator

• Pole Quantity

  1 2nd section front

• Shaft Length

  0.875 inches nominal 2nd actuator

• Contact Switching Action

  breaks before makes 2nd section rear

• Shaft Type

  round, hollowed 1st actuator

• Shaft Length

  0.500 inches nominal 1st actuator

• Contact Load Current Rating

  500.0 milliamperes resistive load ac at sea level

• Style Designator

  circular wafer, bushing mount

• Individual Section Quantity

  3

• Err Default

  err default

• Precious Material

  silver

• Nominal Thread Size

  0.375 inches single mounting facility

• Overall Length

  6.500 inches nominal

• Precious Material And Location

  contacts and rotor surfaces silver

• Mounting Method

  threaded bushing single mounting facility

• Throw Quantity

  1 1st section front

• Thread Class

  2a single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• Features Provided

  variable resistor provisions

• Nonturn Device Radius

  0.438 inches nominal at 3:00 o'clock

• Shaft Diameter

  0.250 inches nominal 1st actuator

• Rotor Through Connection Quantity

  1 2nd section

• Terminal Type

  tab, solder lug

• Throw Quantity

  8 1st section rear

• Throw Quantity

  8 2nd section front

• Contact Voltage Rating In Volts

  110.0 ac at sea level

• Throw Quantity

  8 2nd section rear

• Switch Actuator Indexing Position Quantity

  8 1st actuator

• Thread Series Designator

  unef single mounting facility

• Switch Actuator Positioning Increment

  30.0 degrees 1st actuator

• Contact Switching Action

  breaks before makes 1st section front

• Shaft Diameter

  0.125 inches nominal 2nd actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical and nonpile-up nonsymmetrical

• Switch Actuator Positioning Increment

  30.0 degrees 2nd actuator

• Switch Actuator Stop Device Type

  fixed stop 1st actuator

• Pole Quantity

  1 1st section front

• Contact Switching Action

  breaks before makes 1st section rear