EF12A

Technical Characteristics

• Frequency Rating

  400.0 hertz nominal single component

• Overall Height

  1.750 inches nominal

• Input-Output Phase Relationship

  single phase to single phase single component

• Thread Series Designator

  unc single group

• Winding Operating Voltage

  21.00 ac volts nominal single component 3rd secondary

• Winding Operating Voltage

  21.00 ac volts nominal single component 4th secondary

• Terminal Type And Quantity

  10 tab, solder lug

• Thread Direction (Non-Core)

  err-070

• Overall Length

  1.313 inches nominal

• Nominal Thread Size

  0.138 inches single group

• Winding Operating Current

  250.0 milliamperes ac maximum single component 1st secondary

• Winding Operating Current

  200.0 milliamperes ac maximum single component 2nd secondary

• Mounting Facility Quantity

  2 single group

• Overall Width

  1.313 inches nominal

• Winding Operating Voltage

  7.00 ac volts nominal single component 1st secondary

• Thread Quantity Per Inch

  32 single group

• Mounting Method

  threaded hole single group

• Winding Operating Voltage

  15.00 ac volts nominal single component single primary

• Inclosure Type

  fully inclosed

• Winding Function And Quantity

  1 primary single component and 4 secondary single component

• Winding Operating Current

  100.0 milliamperes ac maximum single component 4th secondary

• Winding Operating Voltage

  6.30 ac volts nominal single component 2nd secondary

• Distance Between Mounting Facility Centers

  1.250 inches nominal single mounting facility single center group

• Winding Operating Current

  100.0 milliamperes ac maximum single component 3rd secondary

• Reliability Indicator

  not established