#BTC8978 Bell Ringing Transformer | Coils And Transformers

BTC8978

Power Transformer

NSN 5950-00-256-8448

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002568448

Detail Specifications

Reliability Indicator:
Not established
Mounting Hole Diameter:
0.190 inches single group
Frequency Rating:
48.0 hertz single component and 420.0 hertz single component
Input-output Phase Relationship:
Single phase to single phase single component
Winding Shielding Method:
Internal shield brought out to terminal single component
Body Length:
2.000 inches
Body Width:
1.880 inches
Body Height:
2.310 inches
Distance Between Mounting Facility Centers:
2.380 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 single group
Mounting Method:
Unthreaded hole single group
Winding Function And Quantity:
2 primary single component and 1 secondary single component
Winding Operating Current:
275.0 milliamperes ac single component single secondary
Winding Operating Voltage:
115.00 ac pounds per hour wet single component all primary
Winding Operating Voltage:
28.00 ac pounds per hour wet single component single secondary
Terminal Type And Quantity:
7 tab, solder lug
NSN:
5950-00-256-8448
Item Name:
Transformer,bell Ringing
Cage Code:
89870

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
3480696-1
Cage Code:
0PW72
RNCC:
3
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Power Transformers
------------ P/N BTC8978

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Last Updated: 08/13/2025