Model: T6657

Power Autotransforme Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
3.500 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
5.500 inches single mounting facility single center group
Frequency Rating
75.0 hertz single component
Input-output Phase Relationship
Three phase to three phase single component
Transformer Winding Connection Type
Wye-wye
Body Length
Between 7.740 inches and 7.760 inches
Body Width
Between 6.865 inches and 6.885 inches
Body Height
Between 6.615 inches and 6.635 inches
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Winding Function And Quantity
1 primary, fixed autotransformer type single component
Thread Size
0.312 inches single group
Winding Operating Current
9.5 amperes ac single component single primary input
Winding Operating Current
8.1 amperes ac single component single primary output
Winding Operating Voltage
126.00 ac volts single component single primary input and 154.00 ac volts single component single primary input and 330.00 ac volts single component single primary input
Thread Series Designator
Unc single group
Terminal Type And Quantity
13 tab, solder lug
NSN
5950-00-992-2586
Part Number
T6657
Description
Transformer,power Autotransforme
CAGE
05853

A transformer which incorporates the primary and secondary functions into a single winding, which is common to both input and output circuits, and is designed to change the relationship of volts and amperes between the entire winding and its taps. Includes multiple winding transformers of like design and items in which a variation of the turns ratio or inductive ratio of inductive coupling is accomplished by connection to fixed terminals. Also, includes items having a provision for mechanically changing the turns ratio in progressive increments, by means of a shaft, voltage taps, ratio adjuster, or devices of similar design. Excludes transformer (1), power; transformer (1), pulse.

Part T6657 NSN 5950-00-992-2586

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36166
FIIG:
A058B0
Concept No.:
1
App. Key:
M
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:
56.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
00
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: 8504500000
  • SITC: 77125
  • End Use: Generators, accessories
  • NAICS: 334416
  • USDA: 1

Freight Class: Inductors, nesoi

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