53MY21005

Technical Characteristics

• Precious Material And Location

  contacts and terminal surfaces gold and terminal surfaces and contacts silver

• Precious Material

  gold and silver

• Style Designator

  tap,circular,bushing mount

• Thread Class

  2a

• Thread Length

  0.437 inches nominal

• Overall Length

  3.122 inches nominal

• Flat Height

  0.219 inches nominal

• Shaft Length

  0.437 inches nominal

• Operating Temp Range

  m65.0/p125.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  threaded bushing

• Nominal Thread Size

  0.375 inches

• Rotor Through Connection Quantity

  1

• Shaft Type

  round,flatted

• Switch Actuator Positioning Increment

  15.0 degrees

• Contact Load Current Rating

  250.0 milliamperes resistive load and 20.0 milliamperes inductive load

• Thread Series Designator

  unef

• Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.250 inches nominal

• Shaft Diameter

  0.250 inches nominal

• Overall Diameter

  1.350 inches nominal

• Individual Section Quantity

  5

• Nonturn Device Type

  slotted bushing

• Pole Quantity

  1

• Throw Quantity

  21

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  180.0 degrees from nonturn device

• Switch Actuator Indexing Position Quantity

  21

• Terminal Type

  tab,solder lug

• Contact Switching Action

  breaks before makes

• Detent Rotational Torque Range

  p20.0/p80.0 inch-ounces (ounce-inches)

• Switch Actuator Stop Device Type

  fixed stop

• Contact Load Current Rating

  20.0 milliamperes resistive load

• Contact Load Current Rating

  250.0 milliamperes resistive load and 50.0 milliamperes inductive load