539227-1

Technical Characteristics

• Thread Length

  0.437 inches nominal single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.219 inches nominal single actuator

• Overall Diameter

  1.100 inches minimum and 1.306 inches maximum

• Nonturn Device Radius

  0.375 inches nominal at 12:00 o'clock

• Individual Section Quantity

  1

• Throw Quantity

  5 single section rear

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Type

  round, flatted single actuator

• Contact Switching Action

  makes before breaks single section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  250.0 milliamperes resistive load and 50.0 milliamperes inductive load ac at sea

• Thread Series Designator

  unef single mounting facility

• Thread Class

  2a single mounting facility

• Overall Length

  1.898 inches nominal

• Shaft Diameter

  0.250 inches nominal single actuator

• Shaft Length

  0.437 inches nominal single actuator

• Nonturn Device Type

  tab at 12:00 o'clock

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 single section front

• Mounting Method

  threaded bushing single mounting facility

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Rotor Through Connection Quantity

  1 single section

• Switch Actuator Indexing Position Quantity

  5 single actuator

• Terminal Type

  tab, solder lug

• Switch Actuator Stop Device Type

  fixed stop single actuator

• ~1

  level

• Contact Load Current Rating

  250.0 milliamperes resistive load and 20.0 milliamperes inductive load dc at sea

• Style Designator

  9 tap, circular, bushing mount