77-1959

Technical Characteristics

• Switch Actuator Stop Device Type

  fixed stop 2nd actuator

• Overall Length

  4.150 inches minimum and 4.210 inches maximum

• Switch Actuator Stop Device Type

  fixed stop 3rd actuator

• Switch Actuator Stop Device Type

  fixed stop 4th actuator

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level and 1.0 amperes inductive load ac at sea level

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Pole Quantity

  1 2nd section front

• First Flat Length

  0.215 inches minimum 1st actuator and 0.223 inches maximum 1st actuator

• Shaft Diameter

  0.248 inches minimum 1st actuator and 0.252 inches maximum 1st actuator

• Throw Quantity

  7 2nd section rear

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level and 500.0 milliamperes inductive load dc at sea level

• Throw Quantity

  7 3rd section rear

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Positioning Increment

  30.0 degrees 2nd actuator

• Switch Actuator Stop Device Type

  fixed stop 1st actuator

• Switch Actuator Positioning Increment

  30.0 degrees 3rd actuator

• Rotor Through Connection Quantity

  3 4th section

• Shaft Diameter

  0.123 inches minimum 2nd actuator and 0.127 inches maximum 2nd actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Pole Quantity

  1 1st section front

• Switch Actuator Positioning Increment

  30.0 degrees 4th actuator

• Shaft Length

  0.545 inches nominal 1st actuator

• Flat Height

  0.088 inches minimum 2nd actuator and 0.096 inches maximum 2nd actuator

• Throw Quantity

  4 4th section rear

• Pole Quantity

  1 3rd section front

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Flat Height

  0.365 inches minimum 1st actuator and 0.385 inches maximum 1st actuator

• Shaft Length

  0.920 inches nominal 2nd actuator

• Switch Actuator Positioning Increment

  30.0 degrees 1st actuator

• Contact Switching Action

  breaks before makes each section rear

• Err Default

  err default and err default

• Individual Section Quantity

  4

• Shaft Type

  round, flatted 2nd actuator

• Style Designator

  tap, circular, bushing mount

• Nominal Thread Size

  0.375 inches single mounting facility

• Switch Actuator Indexing Position Quantity

  7 1st actuator

• Switch Actuator Indexing Position Quantity

  4 4th actuator

• Switch Actuator Indexing Position Quantity

  7 2nd actuator

• Overall Diameter

  1.036 inches maximum

• Switch Actuator Indexing Position Quantity

  7 3rd actuator

• Mounting Method

  threaded bushing single mounting facility

• Shaft Type

  round, flatted w/through hole 1st actuator

• Pole Quantity

  3 4th section front

• Throw Quantity

  7 1st section rear

• Thread Class

  2a single mounting facility

• Rotor Through Connection Quantity

  1 1st section

• Rotor Through Connection Quantity

  1 2nd section

• Terminal Type

  tab, solder lug

• Rotor Through Connection Quantity

  1 3rd section

• First Flat Length

  0.365 inches minimum 2nd actuator and 0.385 inches maximum 2nd actuator