Model: W12873

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
2.281 inches single mounting facility single center group and 2.313 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.843 inches single mounting facility single center group and 1.875 inches single mounting facility single center group
Frequency Rating
400.0 hertz single component
Input-output Phase Relationship
Three phase to three phase single component
Transformer Winding Connection Type
Delta-wye
Maximum Transformer Power Rating
89.5 volt-ampere single component
Winding Shielding Method
Internal shield grounded to inclosure single component
Body Length
3.063 inches
Body Width
2.625 inches
Body Height
4.625 inches
Maximum Operating Temp
105.0 degrees celsius
Inclosure Type
Hermetically sealed
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
0.164 inches single group
Winding Operating Current
4.08 amperes ac single component single secondary and 5.7 amperes ac single component single secondary
Winding Power Rating
51.5 volts-amperes single component single secondary
Winding Operating Voltage
440.00 ac volts single component single primary
Winding Operating Voltage
8.57 ac volts single component single secondary and 9.04 ac volts single component single secondary
Test Data Document
10001-2115813 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator
Unc single group
Terminal Type And Quantity
9 standoff, solder lug
NSN
5950-00-829-1224
Part Number
W12873
Description
Transformer,power
CAGE
65180

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 W12873 NSN 5950-00-829-1224

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
--
WCC:
595
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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