128657-H1

Technical Characteristics

• Style Designator

  circular wafer, bushing mount

• Pole Quantity

  1 single section front

• Flat Height

  0.216 inches minimum single actuator and 0.220 inches maximum single actuator

• Contact Switching Action

  breaks before makes single section front

• Precious Material

  silver

• Overall Height

  1.875 inches nominal

• Pole Quantity

  1 single section rear

• Shaft Length

  1.281 inches nominal single actuator

• Shaft Type

  round, flatted single actuator

• First Flat Length

  0.216 inches nominal single actuator

• Precious Material And Location

  contacts and rotor blade surfaces silver

• Contact Switching Action

  breaks before makes single section rear

• Nominal Thread Size

  0.125 inches single mounting facility

• Thread Quantity Per Inch

  40 single mounting facility

• Terminal Type

  tab, solder lug

• Contact Voltage Rating In Volts

  110.0 ac at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Diameter

  0.248 inches minimum single actuator and 0.250 inches maximum single actuator

• Individual Section Quantity

  1

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Throw Quantity

  3 single section front

• Mounting Method

  threaded hole single mounting facility

• Switch Actuator Indexing Position Quantity

  5 single actuator

• Contact Load Current Rating

  1.0 amperes resistive load dc at sea level

• Thread Series Designator

  unc single mounting facility

• Throw Quantity

  3 single section rear

• Thread Class

  2b single mounting facility

• Overall Width

  1.609 inches maximum

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  60.0 degrees single actuator

• Contact Load Current Rating

  500.0 milliamperes resistive load ac at sea level