990C958H08

Technical Characteristics

• Thread Length

  0.437 inches nominal single mounting facility

• Overall Length

  5.637 inches nominal

• First Flat Length

  0.250 inches nominal single actuator

• Overall Diameter

  1.100 inches nominal

• Throw Quantity

  12 each section rear

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Iii Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Rotor Through Connection Quantity

  1 each section

• Switch Actuator Indexing Position Quantity

  12 single actuator

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level

• Thread Class

  2a single mounting facility

• Iii Hazardous Locations/Environmental Protection

  explosion proof

• Flat Height

  0.210 inches nominal single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Shaft Length

  0.370 inches nominal single actuator

• Individual Section Quantity

  12

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 each section front

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Style Designator

  9 tap, circular, bushing mount

• Thread Series Designator

  unef single mounting facility