21CB3

Technical Characteristics

• Style Designator

  circular wafer, bushing mount

• Nominal Thread Size

  0.138 inches single mounting facility

• Overall Length

  2.564 inches minimum and 2.688 inches maximum

• Precious Material And Location

  contacts silver

• Terminal Type

  turret

• Contact Switching Action

  breaks before makes single section front

• Precious Material

  silver

• Shaft Type

  round single actuator

• Mounting Method

  bracket single mounting facility and threaded hole single mounting facility

• Overall Diameter

  1.750 inches nominal

• Mounting Facility Pattern

  two position in-line single mounting facility

• Thread Quantity Per Inch

  32 single mounting facility

• Pole Quantity

  2 single section front

• Shaft Diameter

  0.249 inches minimum single actuator and 0.251 inches maximum single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Distance Between Mounting Facility Centers

  1.360 inches minimum single mounting facility and 1.390 inches maximum single mounting facility

• Individual Section Quantity

  1

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Throw Quantity

  3 single section front

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  2.0 amperes resistive load dc at sea level

• Thread Series Designator

  unc single mounting facility

• Thread Class

  2b single mounting facility

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Shaft Length

  0.907 inches minimum single actuator and 0.969 inches maximum single actuator