990C958H11

Technical Characteristics

• Style Designator

  9 tap, circular, bushing mount

• Contact Load Current Rating

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

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Terminal Type

  tab, solder lug

• Switch Actuator Indexing Position Quantity

  12 single actuator

• Rotor Through Connection Quantity

  1 each section

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Contact Voltage Rating In Volts

  115.0

• Nominal Thread Size

  0.375 inches single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• Overall Diameter

  1.090 inches minimum and 1.100 inches maximum

• First Flat Length

  0.240 inches minimum and 0.260 inches maximum single actuator

• Overall Length

  2.817 inches minimum and 3.337 inches maximum

• Thread Series Designator

  unef single mounting facility

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Switching Action

  makes before breaks 1st section rear

• Contact Switching Action

  breaks before makes 4th section rear

• Contact Switching Action

  breaks before makes 3rd section rear

• Contact Switching Action

  breaks before makes 2nd section rear

• Shaft Type

  round, flatted single actuator

• Contact Voltage Rating In Volts

  28.0

• Mounting Method

  threaded bushing single mounting facility

• Throw Quantity

  12 each section rear

• Pole Quantity

  1 each section front

• Switch Contact Basic Design

  nonpile-up symmetrical

• Individual Section Quantity

  4

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Shaft Length

  0.767 inches minimum and 0.847 inches maximum single actuator

• Shaft Diameter

  0.248 inches minimum and 0.251 inches maximum single actuator

• Flat Height

  0.205 inches minimum and 0.215 inches maximum single actuator

• Hazardous Locations/Environmental Protection

  watertight

• Thread Length

  0.417 inches minimum and 0.457 inches maximum single mounting facility