27-1989

Technical Characteristics

• Hazardous Locations/Environmental Protection

  explosion proof

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Thread Class

  2a single mounting facility

• Overall Length

  2.237 inches nominal

• Terminal Type

  tab, solder lug

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Individual Section Quantity

  1

• Contact Load Current Rating

  2.0 amperes resistive load ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Rotor Through Connection Quantity

  1 single section

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Throw Quantity

  3 single section rear

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Overall Diameter

  1.100 inches nominal

• Detent Rotational Torque Range

  +12.000/+80.000 inch-ounces single actuator

• Switch Actuator Momentary Position

  counterclockwise single actuator

• Pole Quantity

  1 single section front

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Err Default

  err default

• First Flat Length

  0.250 inches nominal single actuator

• Style Designator

  tap, circular, bushing mount

• Shaft Length

  0.437 inches nominal single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Load Current Rating

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

• Flat Height

  0.214 inches nominal single actuator

• Shaft Type

  round, flatted single actuator

• Contact Switching Action

  breaks before makes single section rear