990C231

Technical Characteristics

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Switching Action

  makes before breaks each section rear

• Err Default

  err default and err default

• First Flat Length

  0.250 inches nominal single actuator

• Style Designator

  tap, circular, bushing mount

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab w/screw

• Mounting Method

  threaded bushing single mounting facility

• Shaft Length

  0.940 inches minimum single actuator and 1.060 inches maximum single actuator

• Thread Class

  2a single mounting facility

• Overall Length

  3.310 inches minimum and 3.490 inches maximum

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Switch Actuator Momentary Position

  clockwise single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Pole Quantity

  1 each section rear

• Individual Section Quantity

  3

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Flat Height

  0.219 inches nominal single actuator

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Nonturn Device Type

  slotted bushing at 12:00 o'clock

• Nonturn Device Radius

  0.375 inches nominal at 12:00 o'clock

• Throw Quantity

  2 each section rear

• Operating Temp Range

  +40.0/+115.0 deg fahrenheit

• Detent Rotational Torque Range

  +4.000/+8.000 inch-pounds single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Shaft Diameter

  0.247 inches minimum single actuator and 0.251 inches maximum single actuator

• Overall Diameter

  1.200 inches nominal