12-1900-3C18C

Technical Characteristics

• Thread Class

  2a

• Thread Length

  0.375 inches nominal

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Length

  0.750 inches nominal

• Individual Section Quantity

  3

• Operating Temp Range

  m65.0/p85.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Throw Quantity

  18

• Mounting Method

  threaded bushing

• Nominal Thread Size

  0.469 inches

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1

• Rotor Through Connection Quantity

  1

• Switch Actuator Indexing Position Quantity

  18

• Shaft Type

  round,flatted

• Style Designator

  tap,circular,bushing mount

• Overall Length

  2.480 inches nominal

• First Flat Length

  0.250 inches nominal

• Flat Height

  0.205 inches minimum and 0.215 inches maximum

• Shaft Diameter

  0.248 inches minimum and 0.252 inches maximum

• Overall Diameter

  2.000 inches maximum

• Nonturn Device Type

  slotted bushing

• Pole Quantity

  1

• Thread Quantity Per Inch

  32

• Terminal Type

  tab,solder lug

• Contact Switching Action

  breaks before makes

• Switch Actuator Positioning Increment

  20.0 degrees

• Contact Load Current Rating

  3.0 amperes resistive load and 2.0 amperes inductive load

• Contact Load Current Rating

  5.0 amperes resistive load

• Thread Series Designator

  uns