1、NS28132 REV J (1) 1i2 008692b 989 W MS 28 1 32 J( AS ) AMENDMENT 1 28 March 1994 MILITARY SPECIFICATION CONVERTER, 200 AMPERE, CLASS B, NONREGULATED, AIRCRAFT, FAN COOLED This amendment forms a part of Ms28132J(AS), dated 30 September 1988, and is approved for use by the Naval Air Systems Command, D
2、epartment of the Navy and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Delete rp MS PARTNO. I MS28132-1 and substitute MS PART NO. MS28132-3 SUPERCEDES BOTH MS28132-1 AND MS28132-2 PAGE 3 1.2 Classification. Delete the class B requirements and add: Class
3、B: Converters which are self-cooled and conform to the ambient altitude-temperature requirements of MS33543, Curve I, except that the maximum ambient temperature shall not exceed 85C. the maximum altitude shall not exceed 50,000 feet, and no operation shall be required below -55C. 4.6 ualitv conform
4、ance inmections. Add to the end of the second sentence: “except that the 500 percent load test shall not be performed.“ 4.7.2.2.2 Voltage renulation at maximum temperature-altitude conditions. Delete the +20“C, 65,000 feet requirement. 4.7.2.2.3 Voltage renulation at minimum temDerature-altitude con
5、ditions. Delete the -55“C, 65,000 feet requirement and substitute -55“C, 50,000 feet. AMSC NIA DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Page 1 of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS28132 REV J
6、 (1) 9999932 0086927 815 MS28132J(AS) AMENDMENT I 4.7.2.10 Overload and short circuit caDacitv. Add to the end of the second sentence: “except that load currents in excess of 200 percent of rated load shall only be applied at room ambient, for one application only.“ Preparing Activity: Navy - AS Project No. 6130-N339 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
