PSA-221

Technical Characteristics

• Overall Length

  2.333 inches nominal

• Mounting Method

  threaded bushing single mounting facility

• Thread Class

  2a single mounting facility

• Shaft Length

  1.000 inches nominal single actuator

• Terminal Type

  tab, solder lug

• Hazardous Locations/Environmental Protection

  dustproof and explosion proof

• Pole Quantity

  3 each section front

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Rotor Through Connection Quantity

  3 each section

• Precious Material And Location

  contact surfaces silver

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Nonturn Device Type

  tab at 9:00 o'clock

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Switch Actuator Indexing Position Quantity

  5 single actuator

• Throw Quantity

  5 each section rear

• Individual Section Quantity

  2

• Shaft Diameter

  0.250 inches nominal single actuator

• Overall Width

  0.979 inches minimum and 0.999 inches maximum

• Contact Load Current Rating

  550.0 milliamperes resistive load dc at sea level

• Style Designator

  circular wafer, bushing mount

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Switching Action

  breaks before makes each section rear

• Err Default

  err default

• Nonturn Device Radius

  0.375 inches nominal at 9:00 o'clock

• Overall Height

  1.000 inches nominal

• Precious Material

  silver

• Shaft Type

  round single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Load Current Rating

  170.0 milliamperes resistive load ac at sea level