418633-51

Technical Characteristics

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Diameter

  0.250 inches nominal single actuator

• Overall Diameter

  1.170 inches nominal

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Nonturn Device Type

  tab at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 single section front

• Throw Quantity

  9 single section rear

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  28.0 dc at altitude

• Shaft Flat/Slot Angular Location

  105.0 degrees from nonturn device single actuator

• Rotor Through Connection Quantity

  1 single section

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab, solder lug

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  20.0 milliamperes resistive load ac at altitude

• Contact Load Current Rating

  75.0 milliamperes resistive load ac at sea level

• Style Designator

  9 tap, circular, bushing mount

• Thread Series Designator

  unef single mounting facility

• Thread Class

  2a single mounting facility

• Thread Length

  0.437 inches nominal single mounting facility

• Overall Length

  1.899 inches nominal

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.219 inches nominal single actuator

• Shaft Length

  0.874 inches nominal single actuator

• Individual Section Quantity

  1

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at altitude

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Indexing Position Quantity

  5 single actuator

• Contact Switching Action

  breaks before makes single section rear

• Contact Load Current Rating

  200.0 milliamperes resistive load dc at altitude and 25.0 milliamperes inductive load

• Contact Load Current Rating

  250.0 milliamperes resistive load dc at sea level and 100.0 milliamperes inductive load