Model: S1270

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
3.785 inches single mounting facility single center group and 3.805 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.910 inches single mounting facility single center group and 1.930 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 and three phase to two phase single component
Transformer Winding Connection Type
Wye-delta and wye-open delta
Maximum Transformer Power Rating
840.0 volt-ampere single component
Winding Shielding Method
Internal shield brought out to terminal single component
Body Length
Between 4.570 inches and 4.630 inches
Body Width
Between 2.670 inches and 2.730 inches
Body Height
Between 1.890 inches and 1.950 inches
Maximum Operating Temp
155.0 degrees celsius
Inclosure Type
Fully enclosed
Mounting Facility Quantity
8 single group
Mounting Method
Threaded hole single group
Winding Function And Quantity
1 primary single component and 3 secondary single component
Features Provided
Color coded lead
Thread Size
0.112 inches single group
Winding Operating Current
10.2 amperes ac single component 1st secondary
Winding Operating Current
200.0 milliamperes ac single component 2nd secondary
Winding Operating Current
200.0 milliamperes ac single component 3rd secondary
Winding Operating Current
7.2 amperes ac single component single primary
Winding Operating Voltage
22.60 ac volts single component 3rd secondary
Winding Operating Voltage
230.00 ac volts single component single primary
Winding Operating Voltage
38.04 ac volts single component 1st secondary
Winding Operating Voltage
8.50 ac volts single component 2nd secondary
Thread Series Designator
Unc single group
Terminal Type And Quantity
18 wire lead
NSN
5950-01-297-3079
Part Number
S1270
Description
Transformer,power
CAGE
58910

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 S1270 NSN 5950-01-297-3079

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:
4.6 X 1.9 X 2.7
Paclk Weight:
13.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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: 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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