5950-00-497-2128, TRANSFORMER,POWER

National Stock Number:
5950-00-497-2128

Federal Supply Class:
5950

National Item Identification Number:
004972128

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:

10676110	18876	U S ARMY AVIATION AND MISSILE COMMAND
44196	08742	ASTEC AMERICA INC.
PEI 5302	13483	PRECISION ELECTRONICS, INC

Techincal Specification:

TERMINAL TYPE AND QUANTITY	18 EYELET
WINDING OPERATING VOLTAGE	10.10 AC VOLTS NOMINAL SINGLE COMPONENT 1ST SECONDARY
	10.10 AC VOLTS NOMINAL SINGLE COMPONENT 2ND SECONDARY
	17.40 AC VOLTS NOMINAL SINGLE COMPONENT 3RD SECONDARY
	39.70 AC VOLTS NOMINAL SINGLE COMPONENT 4TH SECONDARY
WINDING OPERATING CURRENT	1.3 AMPERES AC MINIMUM SINGLE COMPONENT 1ST SECONDARY
	1.8 AMPERES AC MINIMUM SINGLE COMPONENT 2ND SECONDARY
	10.0 AMPERES AC MINIMUM SINGLE COMPONENT 3RD SECONDARY
	12.3 AMPERES AC MINIMUM SINGLE COMPONENT 4TH SECONDARY
FREQUENCY RATING	400.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND
	7 SECONDARY SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIP	THREE PHASE TO SINGLE PHASE AND
	THREE PHASE TO THREE PHASE SINGLE COMPONENT
MOUNTING METHOD	FLANGE AND
	UNTHREADED HOLE SINGLE GROUP
MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
MOUNTING HOLE DIAMETER	0.231 INCHES MINIMUM AND
	0.237 INCHES MAXIMUM SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	4.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
INCLOSURE TYPE	FULLY INCLOSED
BODY LENGTH	6.250 INCHES MAXIMUM
OVERALL LENGTH	6.250 INCHES NOMINAL
OVERALL HEIGHT	4.187 INCHES MINIMUM AND
	4.568 INCHES MAXIMUM
TRANSFORMER WINDING CONNECTION TYPE	DELTA-DELTA AND
	DELTA-WYE

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