2A#1S12-9/ST

Technical Characteristics

• Style Designator

  circular wafer, bushing mount

• Pole Quantity

  1 each section rear

• Switch Actuator Positioning Increment

  15.0 degrees single actuator

• Err Default

  err default

• Throw Quantity

  12 each section rear

• Contact Switching Action

  makes before breaks each section rear

• Precious Material

  silver

• Shaft Type

  round single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Nonturn Device Type

  tab at 12:00 o'clock

• Individual Section Quantity

  9

• Mounting Method

  threaded bushing single mounting facility

• Shaft Diameter

  0.250 inches nominal single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Overall Length

  8.094 inches nominal

• Nonturn Device Radius

  0.500 inches nominal at 12:00 o'clock

• Shaft Length

  0.625 inches nominal single actuator

• Overall Height

  1.750 inches nominal

• Contact Voltage Rating In Volts

  120.0 ac at sea level

• Overall Width

  2.250 inches nominal

• Precious Material And Location

  contact surfaces silver

• Thread Series Designator

  unef single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Terminal Type

  tab, solder lug

• Thread Class

  2a single mounting facility

• Switch Actuator Indexing Position Quantity

  12 single actuator

• Contact Load Current Rating

  5.0 amperes resistive load ac at sea level