Model: N291812-1

Power Transformer

Properties:

Center To Center Distance Between Mounting Facilities Parallel To Length
9.000 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
25.500 inches single mounting facility single center group
Mounting Hole Diameter
0.437 inches single group
Frequency Rating
55.0 hertz single component and 65.0 hertz single component
Input-output Phase Relationship
Three phase to three phase single component
Transformer Winding Connection Type
Delta-wye
Maximum Transformer Power Rating
21.9 kilovolt-ampere single component
Body Length
26.500 inches
Body Width
25.500 inches
Body Height
22.630 inches
Inclosure Type
Hermetically sealed with oil
Mounting Facility Quantity
6 single group
Mounting Method
Unthreaded hole single group
Winding Function And Quantity
1 primary single component and 3 secondary single component
Winding Operating Current
1.2 amperes ac single component all secondary
Winding Operating Voltage
10.40 ac minor wet single component 3rd secondary
Winding Operating Voltage
208.00 ac pounds per hour dry single component single primary and 250.00 ac pounds per hour with retaining chain single component single primary
Winding Operating Voltage
5.00 ac minor wet single component 1st secondary
Winding Operating Voltage
8.00 ac minor wet single component 2nd secondary
Terminal Type And Quantity
9 standoff, threaded stud
NSN
5950-00-646-0066
Part Number
N291812-1
Description
Transformer,power
CAGE
06845

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 N291812-1 NSN 5950-00-646-0066

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
665.0000lbs
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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Schedule B and Export
  • Schedule B: 8504210020
  • SITC: 77111
  • End Use: Generators, accessories
  • NAICS: 335311
  • USDA: 1

Freight Class: Liquid dielectric transformers having a power handling capacity not exceeding 50 kva

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