M-2921

Technical Characteristics

• Thread Class

  2a

• Thread Direction

  right-hand

• Frequency Rating

  400.0 hertz nominal

• Input-Output Phase Relationship

  single phase to single phase

• Body Length

  1.440 inches maximum

• Inclosure Type

  fully inclosed

• Nominal Thread Size

  0.138 inches

• Winding Operating Current

  20.0 milliamperes ac minimum and 400.0 milliamperes ac maximum

• Winding Operating Voltage

  22.00 ac volts nominal

• Cognizant Service

  usaf

• Reliability Indicator

  not established

• Body Width

  1.200 inches maximum

• Body Height

  1.190 inches maximum

• Distance Between Mounting Facility Centers

  1.445 inches minimum and 1.475 inches maximum

• Mounting Facility Quantity

  2

• Mounting Method

  threaded stud

• Winding Function And Quantity

  1 primary and 1 secondary

• Winding Tap Location

  multiple taps w/o center tap

• Winding Operating Voltage

  4.00 ac volts nominal and 26.00 ac volts nominal and 115.00 ac volts nominal

• Thread Series Designator

  unc

• Terminal Type And Quantity

  6 tab,solder lug