C30270

Technical Characteristics

• Overall Length

  5.000 inches nominal

• Overall Height

  3.250 inches nominal

• Overall Width

  3.500 inches nominal

• First Flat Length

  0.500 inches nominal single actuator

• Shaft Length

  0.875 inches nominal single actuator

• Iii Knob Manufacturer Code

  82121

• Longest Vertical Distance Between Mounting Centers

  2.250 inches nominal single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 each section front

• Throw Quantity

  1 each section front

• Features Provided

  actuator knob

• Nominal Thread Size

  0.250 inches single mounting facility

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Contact Switching Action

  breaks before makes each section front

• Contact Load Current Rating

  30.0 amperes resistive load dc at sea level

• Thread Class

  2b single mounting facility

• Flat Height

  0.312 inches nominal single actuator

• Shaft Diameter

  0.375 inches nominal single actuator

• Individual Section Quantity

  7

• Iii Knob Manufacturer Part Number

  74089-3

• Iii Knob Special Markings

  arrow symbol

• Longest Horizontal Distance Between Mounting Centers

  2.250 inches nominal single mounting facility

• Mounting Method

  bracket and threaded hole single mounting facility

• Contact Voltage Rating In Volts

  250.0 dc at sea level

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Switch Actuator Indexing Position Quantity

  1 single actuator

• Shaft Type

  round, flatted, threaded hole single actuator

• Switch Actuator Positioning Increment

  180.0 degrees single actuator

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level

• Style Designator

  1 tap, circuit selector

• Thread Series Designator

  unf single mounting facility