C31055

Technical Characteristics

• Thread Series Designator

  unc 2nd mounting facility

• Special Features

  first section is blank

• Shaft Diameter

  0.375 inches nominal single actuator

• Overall Height

  4.125 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Switch Actuator Momentary Position

  clockwise single actuator

• First Flat Length

  0.875 inches nominal single actuator

• Nominal Thread Size

  0.375 inches 1st mounting facility

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Thread Class

  2b 2nd mounting facility

• Nominal Thread Size

  0.250 inches 2nd mounting facility

• Contact Voltage Rating In Volts

  250.0 dc at sea level

• Overall Length

  4.000 inches nominal

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Knob Manufacturer Code

  82121

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Pole Quantity

  1 2nd section front

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Load Current Rating

  30.0 amperes resistive load dc at sea level

• Contact Switching Action

  breaks before makes 2nd section rear

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level

• Thread Series Designator

  unef 1st mounting facility

• Detent Rotational Torque Range

  +0.500/+9.000 inch-pounds single actuator

• Thread Quantity Per Inch

  20 2nd mounting facility

• Pole Quantity

  1 3rd section front

• Thread Class

  2a 1st mounting facility

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes 3rd section rear

• Individual Section Quantity

  4

• Longest Horizontal Distance Between Mounting Centers

  2.281 inches nominal 2nd mounting facility

• Features Provided

  actuator knob

• Mounting Method

  bracket 2nd mounting facility and threaded hole 2nd mounting facility

• Throw Quantity

  2 2nd section rear

• Mounting Method

  threaded bushing w/panel seal 1st mounting facility

• Mounting Facility Pattern

  four position rectangular 2nd mounting facility

• Pole Quantity

  1 4th section front

• Throw Quantity

  2 3rd section rear

• Contact Switching Action

  breaks before makes 4th section rear

• Hazardous Locations/Environmental Protection

  explosion proof

• Throw Quantity

  2 4th section rear

• Terminal Type

  tab w/screw

• Longest Vertical Distance Between Mounting Centers

  2.281 inches nominal 2nd mounting facility