#TW71388 Bell Ringing Transformer | Coils And Transformers

TW71388

Power Transformer

NSN 5950-01-203-4021

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
012034021

Product Technical Spec.

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
6.365 inches single mounting facility single center group and 6.385 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
3.490 inches single mounting facility single center group and 3.510 inches single mounting facility single center group
Mounting Hole Diameter:
0.296 inches single group
Frequency Rating:
60.0 hertz single component
Input-output Phase Relationship:
Three phase to three phase single component
Transformer Winding Connection Type:
Delta-delta
Winding Shielding Method:
Internal shield grounded to core and brought out to terminal single component
Body Length:
7.380 inches
Body Width:
4.750 inches
Body Height:
3.500 inches
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
4 single group
Mounting Method:
Bracket single group and unthreaded hole single group
Winding Function And Quantity:
1 primary single component and 2 secondary single component
Winding Operating Current:
1.0 amperes ac single component 2nd secondary
Winding Operating Current:
6.0 amperes ac single component 1st secondary
Winding Operating Voltage:
115.00 ac pounds per hour wet single component single primary
Winding Operating Voltage:
22.60 ac pounds per hour wet single component all secondary
Terminal Type And Quantity:
2 terminal block w/screws
NSN:
5950-01-203-4021
Item Name:
Transformer,bell Ringing
Cage Code:
02640

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
166962
Cage Code:
21877
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
PEI 7267
Cage Code:
13483
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Power Transformers
------------ P/N TW71388

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Last Updated: 08/11/2025