Model: 20278

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
5.812 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
5.812 inches single mounting facility single center group
Overall Height
7.562 inches
Frequency Rating
54.0 hertz single component and 66.0 hertz single component
Input-output Phase Relationship
Single phase to single phase single component
Winding Shielding Method
Internal shield grounded to inclosure and core single component
Body Length
7.562 inches
Body Width
7.562 inches
Body Height
6.062 inches
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 4 secondary single component
Thready Qty Per Inch (tpi)
16 single group
Thread Size
0.375 inches single group
Winding Operating Current
2.0 amperes ac single component 4th secondary
Winding Operating Current
490.0 milliamperes ac single component 1st secondary
Winding Operating Current
56.0 milliamperes ac single component 3rd secondary
Winding Operating Current
6.0 amperes ac single component 2nd secondary
Winding Operating Voltage
100.00 ac volts single component 1st secondary and 956.00 ac volts single component 1st secondary
Winding Operating Voltage
115.00 ac volts single component single primary and 120.00 ac volts single component single primary and 126.00 ac volts single component single primary and 132.00 ac volts single component single primary
Winding Operating Voltage
5.00 ac volts single component 2nd secondary
Winding Operating Voltage
5.00 ac volts single component 4th secondary and 6.30 ac volts single component 4th secondary
Winding Operating Voltage
852.00 ac volts single component 3rd secondary
Thread Series Designator
Unc single group
Terminal Type And Quantity
17 standoff, solder lug
NSN
5950-00-648-6873
Part Number
20278
Description
Transformer,power
CAGE
53342

Part 20278 NSN 5950-00-648-6873

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
41.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
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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