5950-01-490-2894, TRANSFORMER,POWER

4931-01-490-2895 MODIFICATION KIT,MAINTENANCE AND

National Stock Number:
5950-01-490-2894

Federal Supply Class:
5950

National Item Identification Number:
014902894

Description:
TRANSFORMER,POWER

Detail:
A TRANSFORMER CONSISTING OF ONE OR MORE PRIMARY WINDING(S) AND ONE OR MORE SECONDARY WINDING(S). IT MAY BE DESIGNED FOR DIRECT CONNECTION TO AN ALTERNATING CURRENT SOURCE FOR PURPOSES OF CHANGING THE SECONDARY VOLTS AND AMPERES OR DESIGNED TO ELIMINATE METALLIC INTERCONNECTION BETWEEN CIRCUITS IN AN OVERALL ONE TO ONE VOLTAGE RATIO, WITH OR WITHOUT ADDITIONAL OUTPUT WINDINGS, OR ITEMS DESIGNED TO AUTOMATICALLY MAINTAIN A CONSTANT OUTPUT VOLTAGE WITHIN SPECIFIED LIMITS UNDER VARYING INPUT OR LOAD CONDITIONS. ALSO INCLUDES ITEMS HAVING A PROVISION FOR MECHANICALLY CHANGING THE TURNS RATIO OR INDUCTIVE COUPLING IN PROGRESSIVE INCREMENTS BY MEANS OF VOLTAGE TAPS, RATIO ADJUSTER, OR DEVICES OE SIMILAR DESIGN. FOR TRANSFORMERS HAVING WINDING(S) COMMON TO BOTH INPUT AND OUTPUT CIRCUITS, SEE TRANSFORMER (1), POWER, AUTOTRANSFORMER. EXCLUDES TRANSFORMER (1), PULSE.

Manufacturer Information:

M27/349-02	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-27/349	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-T-27/349	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BODY HEIGHT	1.940 INCHES MAXIMUM
BODY LENGTH	4.990 INCHES MAXIMUM
BODY WIDTH	3.240 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	4.450 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	2.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
FREQUENCY RATING	400.0 HERTZ NOMINAL SINGLE COMPONENT
INCLOSURE TYPE	FULLY INCLOSED
INPUT-OUTPUT PHASE RELATIONSHIP	THREE PHASE TO THREE PHASE SINGLE COMPONENT
MAXIMUM OPERATING TEMP	130.0 CELSIUS
MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
MOUNTING METHOD	THREADED HOLE(S) SINGLE GROUP
NOMINAL THREAD SIZE	0.164 INCHES SINGLE GROUP
RELIABILITY INDICATOR	NOT ESTABLISHED
SPECIFICATION/STANDARD DATA	81349-MIL-T-27/349 GOVERNMENT SPECIFICATION
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
WINDING OPERATING CURRENT	4.82 AMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING CURRENT	8.34 AMPERES AC NOMINAL SINGLE COMPONENT FIRST SECONDARY
WINDING OPERATING VOLTAGE	15.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
WINDING OPERATING VOLTAGE	15.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING VOLTAGE	26.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
TERMINAL TYPE AND QUANTITY	10 TURRET
TEST DATA DOCUMENT	81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TRANSFORMER WINDING CONNECTION TYPE	WYE-DELTA

Click here to Register for Free 30-day Trial