#990-439-91 Bell Ringing Power Transformer | Coils And Transformers

990-439-91

Power Transformer

NSN 5950-01-117-3077

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
011173077

Product Features

4 mounting holes on top and 4 mounting holes on bottom

Product Technical Spec.

Center To Center Distance Between Mounting Facilities Parallel To Length:
6.500 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
3.750 inches single mounting facility single center group
Mounting Hole Diameter:
0.281 inches single group
Frequency Rating:
60.0 hertz single component
Input-output Phase Relationship:
Single phase to single phase single component
Maximum Transformer Power Rating:
2.0 kilovolt-ampere single component
Body Length:
9.000 inches
Body Width:
5.000 inches
Body Height:
7.500 inches
Maximum Operating Temp:
50.0 degrees celsius
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
8 single group
Mounting Method:
Unthreaded hole single group
Winding Function And Quantity:
1 primary single component and 3 secondary single component
Winding Operating Current:
15.0 amperes ac single component single primary
Winding Operating Current:
9.0 amperes ac single component 3rd secondary
Winding Operating Voltage:
115.00 ac volts single component all secondary
Winding Operating Voltage:
115.00 ac volts single component single primary
Terminal Type And Quantity:
12 wire lead
NSN:
5950-01-117-3077
Item Name:
Transformer,power,bell Ringing
Cage Code:
25965

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
990-439-90
Cage Code:
25965
RNCC:
5
RNVC:
9
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
--------- Power Transformers
------------ P/N 990-439-91

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Last Updated: 08/11/2025