21F51

Technical Characteristics

• Body Length

  3.250 inches nominal

• Body Width

  1.875 inches nominal

• Terminal Type And Quantity

  4 wire lead

• Mounting Hole Diameter

  0.188 inches nominal single group

• Inclosure Type

  partially inclosed

• Mounting Facility Quantity

  2 single group

• Winding Operating Voltage

  25.20 ac volts nominal single component single secondary

• Mounting Method

  flange single group and unthreaded hole single group

• Unpackaged Unit Weight (Non-Core)

  1.500 pounds

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Body Height

  2.000 inches nominal

• Winding Operating Current

  1.0 amperes ac maximum single component single secondary

• Reliability Indicator

  not established

• Input-Output Phase Relationship

  single phase to single phase single component

• Frequency Rating

  60.0 hertz nominal single component

• Distance Between Mounting Facility Centers

  2.812 inches nominal single mounting facility single center group

• Winding Operating Voltage

  117.00 ac volts nominal single component single primary