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Power Transformer

Model / MPN: 20A2653-1 | NSN: 5950-00-300-1957
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A transformer consisting of one or more primary windin (s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes transformer (1) , pulse.

Product Details
NATO Stock Number
5950-00-300-1957
Sold in multiples of
1 EA
DEMIL
NO
Reliability Indicator
Not establishednot established
Center To Center Distance Between Mounting Facilities Parallel To Length
2.438 inches single mounting facility single center group2.438 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.000 inches single mounting facility single center group2.000 inches single mounting facility single center group
Overall Width
2.750 inches 2.750 inches
Mounting Hole Diameter
0.148 inches single group and 0.148 inches single group and 0.165 inches single group0.165 inches single group
Frequency Rating
380.0 hertz single component and 380.0 hertz single component and 420.0 hertz single component420.0 hertz single component
Input-output Phase Relationship
Three phase to three phase single component and three phase to three phase single component and three phase to single phase single componentthree phase to single phase single component
Transformer Winding Connection Type
Delta-deltadelta-delta
Winding Shielding Method
Internally shielded single componentinternally shielded single component
Body Length
3.630 inches 3.630 inches
Body Height
1.480 inches 1.480 inches
Maximum Operating Temp
130.0 degrees celsius130.0 degrees celsius
Inclosure Type
Fully enclosedfully enclosed
Mounting Facility Quantity
4 single group4 single group
Mounting Method
Unthreaded hole single groupunthreaded hole single group
Winding Function And Quantity
1 primary single component and 1 primary single component and 5 secondary single component5 secondary single component
Winding Operating Current
0.1 amperes dc single component 4th secondary
Winding Operating Current
2.2 amperes dc single component 1st secondary
Winding Operating Current
1.0 amperes dc single component 2nd secondary
Winding Operating Current
1.0 amperes dc single component 3rd secondary
Winding Operating Voltage
21.50 ac volts single component 1st secondary and 24.50 ac volts single component 1st secondary
Winding Operating Voltage
21.50 ac volts single component 2nd secondary and 21.50 ac volts single component 1st secondary and 24.50 ac volts single component 2nd secondary24.50 ac volts single component 1st secondary
Winding Operating Voltage
16.50 ac volts single component 4th secondary and 38.00 ac volts single component 3rd secondary and 19.50 ac volts single component 4th secondary42.00 ac volts single component 3rd secondary
Winding Operating Voltage
184.00 ac volts single component single primary and 16.50 ac volts single component 4th secondary and 216.00 ac volts single component single primary19.50 ac volts single component 4th secondary
Winding Operating Voltage
38.00 ac volts single component 3rd secondary and 21.50 ac volts single component 2nd secondary and 42.00 ac volts single component 3rd secondary24.50 ac volts single component 2nd secondary
Terminal Type And Quantity
18 turret
20A2653 Series Parts

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20A2653-1 Cross Reference
  • WE1949AM
  • WE1949AM
  • WE1949AM