Rotary Switch

Part Number 121305A

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

We ship worldwide

Features

2b single mounting facility thread class, 4.531 inches nominal overall length, unc single mounting facility thread series designator.

2.406" overall width actuator knob 24 single mounting facility thread quantity per inch tap, circuit selector.

Includes quality control certificate of conformance.

Specifications

  • Hazardous Locations/environmental Protection:
    Explosion proof
  • Overall Height:
    2.500 inches
  • Overall Width:
    2.406 inches
  • First Flat Length:
    0.750 inches single actuator
  • Shaft Diameter:
    0.250 inches single actuator
  • Shaft Length:
    1.000 inches single actuator
  • Unthreaded Mounting Hole Diameter:
    0.203 inches 2nd mounting facility
  • Individual Section Quantity:
    5
  • Knob Manufacturer Code:
    82121
  • Knob Manufacturer Part Number:
    A
  • Longest Horizontal Distance Between Mounting Centers:
    1.641 inches 1st mounting facility
  • Longest Horizontal Distance Between Mounting Centers:
    2.094 inches 2nd mounting facility
  • Longest Vertical Distance Between Mounting Centers:
    1.641 inches 1st mounting facility
  • Switch Contact Basic Design:
    Nonpile-up symmetrical
  • Pole Quantity:
    1 each section front
  • Throw Quantity:
    3 each section rear
  • Mounting Method:
    Bracket single mounting facility and threaded hole single mounting facility
  • Features Provided:
    Actuator knob
  • Thready Qty Per Inch (tpi):
    24 single mounting facility
  • Thread Size:
    0.190 inches single mounting facility
  • Contact Voltage Rating In Volts:
    125.0 ac at sea level
  • Contact Voltage Rating In Volts:
    120.0 dc at sea level
  • Switch Actuator Momentary Position:
    Clockwise single actuator
  • Rotor Through Connection Quantity:
    1 each section
  • Mounting Facility Pattern:
    Four position rectangular single mounting facility
  • Switch Actuator Indexing Position Quantity:
    3 single actuator
  • Shaft Type:
    Round, hollowed, flatted single actuator
  • Terminal Type:
    Tab w/screw
  • Contact Switching Action:
    Breaks before makes each section rear
  • Switch Actuator Positioning Increment:
    90.0 degrees single actuator
  • Detent Rotational Torque Range:
    +0.500/+4.000 inch-pounds single actuator
  • Switch Actuator Stop Device Type:
    Fixed stop single actuator
  • Contact Load Current Rating:
    10.0 amperes inductive load ac at sea level
  • Contact Load Current Rating:
    10.0 amperes inductive load dc at sea level
  • Style Designator:
    Tap, circuit selector
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-01-104-7245

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