#81 Stepdown Transformer | Coils And Transformers

81

Current Transformer

NSN 5950-00-060-3904

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000603904

Product Features

Primary rated but not included

Detail Specifications

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
5.500 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
5.000 inches single mounting facility single center group
Frequency Rating:
60.0 hertz single component and 400.0 hertz single component
Input-output Phase Relationship:
Single phase to single phase single component
Body Length:
6.375 inches
Body Width:
3.250 inches
Body Height:
5.900 inches
Installation For Which Designed:
Indoor nonportable
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
4 single group
Mounting Method:
Threaded hole single group
Winding Function And Quantity:
4 secondary single component
Thready Qty Per Inch (tpi):
20 single group
Thread Size:
0.250 inches single group
Winding Operating Current:
5.0 amperes ac single component all secondary
Winding Operating Current:
50.0 amperes ac single component single primary and 10.0 amperes ac single component single primary and 500.0 amperes ac single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
8 threaded stud
NSN:
5950-00-060-3904
Item Name:
Transformer,stepdown
Cage Code:
12670

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
778-189
Cage Code:
82386
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
70472
Cage Code:
12670
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Current Transformers
------------ P/N 81

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Last Updated: 05/07/2025