A4991

Technical Characteristics

• Power Line Frequency Rating Per Function In Hertz

  60.0 1st radio interference

• Operating Current Rating Per Function In Amps

  15.0 2nd radio interference

• Operating Current Rating Per Function In Amps

  15.0 3rd radio interference

• Mounting Facility Screw Thread Series Designator

  unf

• Power Line Frequency Rating Per Function In Hertz

  60.0 2nd radio interference

• Source Impedance Rating Per Function

  50.0 ohms 2nd radio interference

• Functional Terminal Type And Quantity

  3 threaded stud input 1st function

• Power Line Frequency Rating Per Function In Hertz

  60.0 3rd radio interference

• Load Impedance Per Function

  50.0 ohms 1st radio interference

• Source Impedance Rating Per Function

  50.0 ohms 3rd radio interference

• Operating Current Rating Per Function In Amps

  15.0 1st radio interference

• Body Height

  3.720 inches minimum and 3.780 inches maximum

• Mounting Facility Type And Quantity

  2 unthreaded hole

• Functional Terminal Type And Quantity

  3 threaded stud output 2nd function

• Body Length

  7.970 inches minimum and 8.030 inches maximum

• Body Width

  6.970 inches minimum and 7.030 inches maximum

• Source Impedance Rating Per Function

  50.0 ohms 1st radio interference

• Mounting Facility Type And Quantity

  6 threaded hole

• Style Designator

  rectangular terminal/terminals on opposite surfaces

• Load Impedance Per Function

  50.0 ohms 3rd radio interference

• Operating Voltage Rating And Type Per Function

  480.0 volts ac 3rd radio interference 3rd function

• Operating Voltage Rating And Type Per Function

  480.0 volts ac 2nd radio interference 2nd function

• Overall Length

  9.770 inches minimum and 10.230 inches maximum

• Unthreaded Mounting Hole Diameter

  0.200 inches minimum and 0.206 inches maximum

• Operating Voltage Rating And Type Per Function

  480.0 volts ac 1st radio interference 1st function

• Load Impedance Per Function

  50.0 ohms 2nd radio interference

• Nominal Thread Size

  0.190 inches

• Inclosure Type

  encased