21-ECB-24

Technical Characteristics

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Rotor Through Connection Quantity

  1 each section

• Switch Actuator Indexing Position Quantity

  24 single actuator

• Shaft Type

  round single actuator

• Switch Actuator Positioning Increment

  15.0 degrees single actuator

• Contact Load Current Rating

  750.0 milliamperes resistive load dc at sea level and 250.0 milliamperes inductive load

• Thread Series Designator

  unef single mounting facility

• Thread Class

  2a single mounting facility

• Thread Length

  0.438 inches nominal single mounting facility

• Overall Length

  2.156 inches nominal

• Shaft Diameter

  0.250 inches nominal single actuator

• Shaft Length

  0.562 inches nominal single actuator

• Overall Diameter

  1.718 inches maximum

• Individual Section Quantity

  2

• Nonturn Device Type

  flatted bushing at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 each section front

• Throw Quantity

  24 each section rear

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes each section rear

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Style Designator

  9 tap, circular, bushing mount