Rotary Switch

Part Number 121911LC

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

We ship worldwide

Features

2b 1st mounting facility thread class, 6.875 inches nominal overall length, unc 1st mounting facility thread series designator.

4.375" overall width actuator knob 20 1st mounting facility thread quantity per inch tap, circuit selector.

Includes quality control certificate of conformance.

Specifications

  • Overall Height:
    4.125 inches
  • Overall Width:
    4.375 inches
  • First Flat Length:
    0.875 inches single actuator
  • Flat Height:
    0.313 inches single actuator
  • Shaft Diameter:
    0.375 inches single actuator
  • Shaft Length:
    1.510 inches single actuator
  • Unthreaded Mounting Hole Diameter:
    0.312 inches 2nd mounting facility and 0.317 inches 2nd mounting facility
  • Individual Section Quantity:
    11
  • Knob Manufacturer Code:
    82121
  • Knob Manufacturer Part Number:
    A
  • Longest Horizontal Distance Between Mounting Centers:
    2.281 inches 1st mounting facility
  • Longest Horizontal Distance Between Mounting Centers:
    3.813 inches 2nd mounting facility
  • Longest Vertical Distance Between Mounting Centers:
    2.281 inches 1st mounting facility
  • Switch Contact Basic Design:
    Nonpile-up symmetrical
  • Pole Quantity:
    1 1st section front
  • Pole Quantity:
    1 2nd section front
  • Pole Quantity:
    1 10th section front
  • Pole Quantity:
    1 11th section front
  • Pole Quantity:
    1 8th section front
  • Pole Quantity:
    1 9th section front
  • Pole Quantity:
    1 3rd section front
  • Pole Quantity:
    1 4th section front
  • Pole Quantity:
    1 5th section front
  • Pole Quantity:
    1 6th section rear
  • Pole Quantity:
    1 7th section front
  • Throw Quantity:
    1 6th section rear
  • Throw Quantity:
    1 7th section front
  • Throw Quantity:
    1 8th section front
  • Throw Quantity:
    1 2nd section front
  • Throw Quantity:
    2 4th section front
  • Throw Quantity:
    2 5th section front
  • Throw Quantity:
    2 9th section front
  • Throw Quantity:
    2 10th section front
  • Throw Quantity:
    2 11th section front
  • Throw Quantity:
    3 1st section front
  • Throw Quantity:
    3 3rd section front
  • Mounting Method:
    Bracket 1st mounting facility and threaded hole 1st mounting facility
  • Mounting Method:
    Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
  • Features Provided:
    Actuator knob
  • Thready Qty Per Inch (tpi):
    20 1st mounting facility
  • Thread Size:
    0.250 inches 1st mounting facility
  • Contact Voltage Rating In Volts:
    125.0 ac at sea level
  • Mounting Facility Pattern:
    Four position rectangular 1st mounting facility
  • Mounting Facility Pattern:
    Two position in-line 2nd mounting facility
  • Switch Actuator Indexing Position Quantity:
    3 single actuator
  • Shaft Type:
    Round, flatted, threaded hole single actuator
  • Terminal Type:
    Tab w/screw
  • Contact Switching Action:
    Makes before breaks, breaks before makes 3rd section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 4th section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 5th section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 6th section rear
  • Contact Switching Action:
    Makes before breaks, breaks before makes 7th section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 8th section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 10th section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 11th section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 1st section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 2nd section front
  • Contact Switching Action:
    Makes before breaks, breaks before makes 9th section front
  • Switch Actuator Positioning Increment:
    90.0 degrees single actuator
  • Switch Actuator Stop Device Type:
    Adjustable stop single actuator
  • Contact Load Current Rating:
    10.0 amperes resistive load ac at sea level
  • Style Designator:
    Tap, circuit selector
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-00-854-4646

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