121-BB-3

Technical Characteristics

• Nominal Thread Size

  0.138 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Terminal Type

  turret

• Shaft Type

  round single actuator

• Shaft Length

  0.906 inches minimum single actuator and 0.969 inches maximum single actuator

• Contact Switching Action

  breaks before makes single section periphery

• Style Designator

  tap, square frame

• Mounting Facility Pattern

  two position in-line single mounting facility

• Thread Quantity Per Inch

  32 single mounting facility

• Shaft Diameter

  0.249 inches minimum single actuator and 0.251 inches maximum single actuator

• Pole Quantity

  2 single section periphery

• Switch Contact Basic Design

  nonpile-up symmetrical

• Overall Length

  2.376 inches nominal

• Individual Section Quantity

  1

• Contact Load Current Rating

  2.0 amperes resistive load ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Mounting Method

  threaded hole single mounting facility

• Throw Quantity

  3 single section periphery

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  2.0 amperes resistive load dc at sea level

• Overall Height

  1.375 inches nominal

• Thread Series Designator

  unc single mounting facility

• Thread Class

  2b single mounting facility

• Distance Between Mounting Facility Centers

  1.000 inches nominal single mounting facility

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Overall Width

  1.375 inches nominal

• Switch Actuator Stop Device Type

  fixed stop single actuator