Model: EP9421

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
4.546 inches single mounting facility single center group and 4.578 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
3.421 inches single mounting facility single center group and 3.453 inches single mounting facility single center group
Frequency Rating
50.0 hertz single component or 60.0 hertz single component
Input-output Phase Relationship
Single phase to single phase single component
Maximum Transformer Power Rating
300.0 volt-ampere single component
Winding Shielding Method
Core grounded single component
Body Length
5.453 inches
Body Width
4.390 inches
Body Height
6.625 inches
Maximum Operating Temp
130.0 degrees celsius
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Thread Size
0.312 inches single group
Winding Operating Current
12.6 amperes ac single component single secondary
Winding Operating Voltage
22.20 ac volts single component single secondary
Winding Operating Voltage
57.00 ac volts single component single primary and 420.00 ac volts single component single primary and 440.00 ac volts single component single primary and 460.00 ac volts single component single primary and 480.00 ac volts single component single primary
Thread Series Designator
Unc single group
Terminal Type And Quantity
8 threaded stud
NSN
5950-00-762-3152
Part Number
EP9421
Description
Transformer,power
CAGE

A transformer consisting of one or more primary winding(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 overall 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.

Part EP9421 NSN 5950-00-762-3152

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32496
FIIG:
A058B0
Concept No.:
1
App. Key:
J
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8504314065
  • SITC: 77119
  • End Use: Generators, accessories
  • NAICS: 334416
  • USDA: 1

Freight Class: Transformers, having a power handling capacity 40 va or greater but less than 1 kva, nesoi

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