B1189

Technical Characteristics

• Shaft Flat/Slot Angular Location

  315.0 degrees from nonturn device single actuator

• Switch Actuator Indexing Position Quantity

  20 single actuator

• Overall Height

  2.296 inches minimum and 2.328 inches maximum

• Overall Width

  1.953 inches minimum and 1.985 inches maximum

• Flat Height

  0.140 inches minimum single actuator and 0.172 inches maximum

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 single section rear

• Thread Length

  0.375 inches nominal single mounting facility

• Overall Length

  1.671 inches minimum and 1.703 inches maximum

• First Flat Length

  0.359 inches minimum single actuator and 0.391 inches maximum

• Shaft Diameter

  0.234 inches minimum single actuator and 0.266 inches maximum

• Shaft Length

  0.796 inches minimum single actuator and 0.828 inches maximum

• Individual Section Quantity

  1

• Mounting Method

  threaded bushing single mounting facility

• Nominal Thread Size

  0.375 inches single mounting facility

• Switch Actuator Positioning Increment

  15.0 degrees single actuator

• Style Designator

  4 circular wafer, bushing mount

• Throw Quantity

  1 single section front

• Throw Quantity

  20 single section rear

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes single section front

• Contact Switching Action

  breaks before makes single section rear

• Thread Series Designator

  unef single mounting facility