U28-5529P1

Technical Characteristics

• Style Designator

  circular wafer, bushing mount

• Pole Quantity

  1 2nd section rear

• Individual Section Quantity

  3

• Pole Quantity

  1 3rd section front

• Overall Width

  1.516 inches nominal

• Err Default

  err default

• Nonturn Device Type

  tab at 10:30 o'clock

• Overall Height

  1.875 inches nominal

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  110.0 ac at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Shaft Diameter

  0.248 inches minimum single actuator and 0.251 inches maximum single actuator

• Flat Height

  0.187 inches nominal single actuator

• First Flat Length

  0.375 inches nominal single actuator

• Shaft Length

  0.625 inches nominal single actuator

• Special Features

  switch has twelve dummy terminals

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Contact Switching Action

  makes before breaks 1st section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  1.0 amperes resistive load dc at sea level

• Throw Quantity

  4 1st section rear

• Shaft Flat/Slot Angular Location

  180.0 degrees from nonturn device single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Throw Quantity

  4 2nd section rear

• Throw Quantity

  4 3rd section front

• Contact Switching Action

  breaks before makes 2nd section rear

• Contact Load Current Rating

  500.0 milliamperes resistive load ac at sea level

• Contact Switching Action

  makes before breaks 3rd section front

• Overall Length

  5.063 inches nominal

• Terminal Type

  tab, solder lug

• Thread Class

  2a single mounting facility

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Pole Quantity

  2 1st section rear

• Mounting Method

  threaded bushing single mounting facility

• Shaft Type

  round, flatted single actuator

• Nonturn Device Radius

  0.531 inches nominal at 10:30 o'clock