53-1927-1

Technical Characteristics

• Thread Class

  2a single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Length

  0.880 inches nominal single actuator

• Operating Temp Range

  -55.0/+125.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  22.5 degrees single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Style Designator

  9 tap, circular, bushing mount

• Thread Length

  0.440 inches nominal single mounting facility

• Overall Length

  3.100 inches nominal

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.205 inches minimum and 0.215 inches maximum single actuator

• Shaft Diameter

  0.248 inches minimum and 0.252 inches maximum single actuator

• Overall Diameter

  1.500 inches maximum

• Individual Section Quantity

  4

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Pole Quantity

  2 each section front

• Throw Quantity

  7 each section rear

• Nominal Thread Size

  0.375 inches single mounting facility

• Rotor Through Connection Quantity

  2 each section

• Switch Actuator Indexing Position Quantity

  7 single actuator

• Shaft Type

  round, flatted single actuator

• Contact Load Current Rating

  3.0 amperes resistive load and 2.0 amperes inductive load dc at sea level

• Contact Load Current Rating

  5.0 amperes resistive load ac at sea level

• Thread Series Designator

  unef single mounting facility