53-1978-1

Technical Characteristics

• Rotor Through Connection Quantity

  1 single section

• Hazardous Locations/Environmental Protection

  dustproof

• Overall Length

  1.950 inches nominal

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Nonturn Device Type

  flatted bushing at 9:00 o'clock

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Overall Diameter

  1.500 inches maximum

• Contact Load Current Rating

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

• Shaft Diameter

  0.248 inches minimum single actuator and 0.251 inches maximum single actuator

• Individual Section Quantity

  1

• 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

• Contact Load Current Rating

  5.0 amperes resistive load ac at sea level

• End Item Identification

  closed-loop

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Contact Switching Action

  breaks before makes single section rear

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Type

  round single actuator

• Style Designator

  tap, circular, bushing mount

• Err Default

  err default

• Switch Actuator Positioning Increment

  22.5 degrees single actuator

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Shaft Length

  0.370 inches nominal single actuator

• Switch Actuator Indexing Position Quantity

  16 single actuator

• Pole Quantity

  1 single section front

• Throw Quantity

  16 single section rear