5950-00-997-2810, TRANSFORMER,POWER

5950-00-997-2809 TRANSFORMER,AUDIO FREQUENCY

5950-00-997-2811 TRANSFORMER,POWER AUTOTRANSFORME

National Stock Number:
5950-00-997-2810

Federal Supply Class:
5950

National Item Identification Number:
009972810

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:

77C708629-1	03538	LOCKHEED MARTIN CORPORATION
77C708629P001	03538	LOCKHEED MARTIN CORPORATION
9T35Y4942	03512	GENERAL ELECTRIC CO SPECIALTY TRANSFORMER DEPT

Techincal Specification:

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
FREQUENCY RATING	60.0 HERTZ NOMINAL SINGLE COMPONENT
INCLOSURE TYPE	FULLY INCLOSED
INPUT-OUTPUT PHASE RELATIONSHIP	THREE PHASE TO THREE PHASE SINGLE COMPONENT
OVERALL HEIGHT	6.000 INCHES MAXIMUM
OVERALL LENGTH	4.690 INCHES MAXIMUM
OVERALL WIDTH	4.000 INCHES MAXIMUM
MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
MOUNTING METHOD	THREADED STUD(S) SINGLE GROUP
NOMINAL THREAD SIZE	0.250 INCHES SINGLE GROUP
RELIABILITY INDICATOR	NOT ESTABLISHED
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
WINDING OPERATING CURRENT	0.25 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING VOLTAGE	11.25 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
WINDING OPERATING VOLTAGE	208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING VOLTAGE	19.90 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING VOLTAGE	19.90 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
WINDING SHIELDING METHOD	INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY	15 TURRET
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TRANSFORMER WINDING CONNECTION TYPE	DELTA-WYE

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