C138-3

Technical Characteristics

• Pole Quantity

  1 each section rear

• Err Default

  err default

• Contact Switching Action

  breaks before makes 4th section front

• Style Designator

  tap, circular, bushing mount

• Individual Section Quantity

  6

• Flat Height

  0.216 inches nominal single actuator

• Shaft Type

  round, flatted single actuator

• Shaft Diameter

  0.247 inches nominal single actuator

• Hazardous Locations/Environmental Protection

  explosion proof

• Contact Switching Action

  breaks before makes 5th section front

• Mounting Method

  threaded bushing single mounting facility

• Switch Actuator Indexing Position Quantity

  18 single actuator

• Thread Quantity Per Inch

  32 single mounting facility

• Thread Class

  2a single mounting facility

• Contact Switching Action

  breaks before makes 6th section front

• Overall Length

  2.750 inches nominal

• Shaft Length

  1.000 inches nominal single actuator

• Terminal Type

  tab, solder lug

• Nominal Thread Size

  0.469 inches single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Contact Switching Action

  makes before breaks 1st section front

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Nonturn Device Type

  slotted bushing at 12:00 o'clock

• First Flat Length

  0.468 inches nominal single actuator

• Switch Actuator Positioning Increment

  20.0 degrees single actuator

• Contact Switching Action

  breaks before makes 2nd section front

• Overall Diameter

  2.000 inches maximum

• Contact Load Current Rating

  3.0 amperes resistive load dc at sea level and 2.0 amperes inductive load dc at sea level and 2.0 amperes lamp load dc at sea level

• Shaft Flat/Slot Angular Location

  0.0 degrees from contact position 1 single actuator

• Throw Quantity

  18 each section front

• Thread Series Designator

  uns single mounting facility

• Contact Switching Action

  breaks before makes 3rd section front