637-721

Technical Characteristics

• Mounting Facility Quantity

  4 single group

• Winding Operating Voltage

  115.00 ac pounds per hour wet single component single primary

• Terminal Type And Quantity

  4 wire lead

• Body Width

  2.500 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.125 inches nominal single mounting facility single center group

• Inclosure Type

  partially inclosed, double shell

• Body Height

  3.250 inches nominal

• Body Length

  3.234 inches nominal

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Winding Operating Voltage

  6.65 ac pounds per hour wet 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

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.844 inches nominal single mounting facility single center group

• Mounting Method

  flange single group and slot single group

• Winding Operating Current

  165.0 milliamperes nominal b and better drop siding single component single secondary