1、NOT MEASUREMENT SENSITIVEJ MIL-R-I9523B(SH) 30 March 1990 SUPERSEDING 30, December 1966 (See 6.8) MIL-R-19523A (SH) MILIT, RY SPECIFIC TION RELAYS, CONTROL This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and
2、 Agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covers the requirements for control relays for Naval shipboard use. 1.2 Classification. 1.2.1 Part or Identifving Number (PIN). The PIN shall be of the following form, as specified (see 6.2): B - H - B M19523- Ac - (see (
3、see (see (see (see 1.2.1.1) 1.2.1.2) 1.2.1.3) 1.2.1.4) 1.2.1.5) A (see - 2 (see .2.1.6) .2.1.7 1.2.1.1 Militarv mecification number. The military specification number consists of a prefix M which indicates a military specification item and the specification number, 1.2.1.2 Electrical service. The el
4、ectrical service for coil operation shall be designated by two letters as follows: AC = Alternating current (ac) service. DC = Direct current (dc) service. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addr
5、essed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter, I;iSC N/A FSC 5945 DISTRIBUTION STATEMENT A. Approv
6、ed for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.2.1.3 Endurance, Endurance shall be designated by a single letter as follows : A - 500,000 operations. B = 100,000 operations. C - 25,000 operations.
7、1.2.1.4 ODeratinrz voltage, The operating voltage (v) shall be designated by a single letter as follows: A = 115 Volts alternating current (Vac), 60 hertz (Hz). B - 230 Vac, 60 Hz. C - 440 Vac, 60 Hz. D - 28 Volts direct current (Vdc). E - 115 Vdc. F = 125 Vdc. G - 230 Vdc, H - 250 Vdc (nominal), op
8、erating range 175 to 355 volts (V), storage J = 500 Vdc (nominal), operating range 350 to 710 V, storage K - Special. battery service. battery service. 1.2.1.5 Number of Doles. The number of poles shall be designated by a single letter as follows: A - 4 poles. B - 8 poles, C - 12 poles. D - 16 poles
9、, E - 24 poles. 1.2.1.6 Ambient temDerature. The ambient temperature rating shall be designated by a single letter as follows: A - 50 degrees Celsius (“C). B - 90C. C - Special. 1.2.1.7 Shock classification. The shock classification of relay contact chatter shall be designated by a single number as
10、follows: 1 - Class I 2 - Class II - Those relays whose contacts will not chatter in either - Those relays whose contacts will not chatter long the energized or deenergized position. enough to either drop out the relay or drop out a standard relay having a dropout time of 4 milliseconds (ms). Contact
11、s shall not alter state due to shock. 4 - Class III - Those relays whose contacts will not chatter long enough to either drop out the relay or drop out a standard relay having a drop out time of 20 ms. not alter state due to shock. Contacts shall 2 Provided by IHSNot for ResaleNo reproduction or net
12、working permitted without license from IHS-,-,- MIL-R-17523B 57 m 777706 0421727 3 m 6 = Class IV - Those relays whose contacts will not alter state due to 7 = Class V - No requirements for electrical operation. shock, 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications. standards
13、. and handbooks, The following specifi- cations, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) a
14、nd supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL PPP - F- 3 20 - Fiberboard: Corrugated and Solid, Sheet Stock (Contained Grade) and Cut Shapes. MILITARY MIL- S - 901 - Shock Tests, H.I. (High-Impact), Shipboard Machinery, Equipment and Systems, Requirements for. Sh
15、ipboard Use). Equipment, MIL-E-917 - Electric Power Equipment, Basic Requirements (Naval MIL-P-15024 - Plates, Tags and Bands for Identification of MIL-P-15024/5 - Plates, Identification. MIL-E-17555 - Electronic and Electrical Equipment Accessories, and Provisioned Items (Repair Parts): Packaging o
16、f. MIL-L-19140 - Lumber and Plywood, Fire-Retardant Treated. STANDARDS FEDERAL FED-STD-313 - Material Safety Data, Transportation Data and Disposal Data for Hazardous Materials Furnished to Government Activities. MILITARY MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type I - Environ
17、mental and Type II - Internally Excited). Component Parts. Equipment. MIL-STD-202 - Test Methods for Electronic and Electrical MIL-STD-454 - Standard General Requirements for Electronic 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-R-L523B 5
18、9 999906 0423730 T - MILITARY(C0ntinued) MIL-STD-471 - Maintainability Verification/Demonstration/ Evaluation. MIL-STD-781 - Reliability Testing for Engineering Development, Qualification and Production. (Unless otherwise indicated, copies of federal and military specifications, standards, and handb
19、ooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence, Nothing in
20、this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article, When specified (see 6,2), a sample shall be subjected to first article inspection (see 6.4) in accordance with 4.4. 3.2 Materials. Darts and processes.
21、 Except as otherwise specified herein, materials, parts and processes shall be in accordance with MIL-E-917. 3.2.1 Recovered materials, Unless otherwise specified herein, all equip- ment, material, and articles incorporated in the products covered by this specifi- cation shall be new and may be fabr
22、icated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to
23、virgin raw materials, that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. None of the above shall be interpreted to mean 3.3 Desim. 3.3.1 Contacts. The rating of contacts shall be as specified (see 6.2). 3.3.2 Poles. Poles shall be si
24、ngle throw or double throw as specified (see 6.2). 3.3.3 Ambient temperature ratinas. The ambient temperature ratings for the relays shall be in accordance with 3.3.3.1, 3.3.3.2 and 3.3.3.3. 3.3.3.1 m. Relays rated at 50C shall operate over the range of 5C to 50C and be exposed to an ambient tempera
25、ture of 85OC for 1 hour, exposure at 85“C, the relay may be energized but need not operate as specified herein. After the 1 hour period, and after the relay has cooled to a temperature within its normal operating range, it shall operate as specified herein. During the 4 Provided by IHSNot for Resale
26、No reproduction or networking permitted without license from IHS-,-,-3.3.3.2 90C. Relays rated at 90C shall operate over the range of 5C to 90C and be exposed to an ambient temperature of 110C for 1 hour. exposure at llO“C, the relay may be energized but need not operate as specified herein. within
27、its normal operating range, it shall operate as specified herein. During the After the 1 hour period and after the relay has cooled to a temperature 3.3.3.3 SDecial ambient. For relays rated above 9O“C, the temperature rating shall be as specified (see 6.2). 3.3.4 Duty. Relays shall be rated for con
28、tinuous duty and continuous operation. 3.4 Construction (see 6.3). 3.4.1 Auxiliary devices. Auxiliary devices such as rectifiers or arc suppressors shall not be used for augmentation of current interruption by contacts. 3.4.2 Mamet - coils. Removable type magnet coils shall be readily removable and
29、replaceable without injury to the coil or any other part of the relay. coils shall be rigidly held so as to prevent damage ta the coil leads. late insulation in accordance with MIL-E-917. The Encapsu- 3.4.3 Interchangeabilitv. In no case shall parts be physically interchange- able or reversible unle
30、ss such parts are also interchangeable or reversible with regard to function, performance and strength. 3.5 Performance reauirements. 3.5.1 Seals (sealed relays only). When tested as specified in 4.6.2, sealed relays shall show no evidence of leakage. 3.5.2 Dc coil resistance. When tested as specifi
31、ed in 4.6.3, the overall resistance of the coils shall be within plus or minus 10 percent of the design value, shown on the drawings. 3.5.3 Insulation resistance. When tested as specified in 4.6.4, the insulation resistance shall be not less than 100 megohms, 3.5.4 Heat run. When tested as specified
32、 in 4.6.5, the temperature rise of the relay shall not exceed the values shown in table I, except as specified in 3.5.4.1 and 3.5.4.2. 3.5.4.1 Dc coils designed for 250 V and 500 V storage battery service. Dc coils designed for 250 V and 500 V storage battery service shall have a maximum temperature
33、 rise of 120C for class A insulation, and 140C for class B insula- tion, at maximum voltage. 3.5.4.2 SDecial ambients. Maximum permissible temperature rise for special ambient relays shall be as specified (see 6.2). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
34、se from IHS-,-,- _ _ VIL-R-39523B 59 W 999Ob 0423732 3 W - MIL-R-l9523B(SH) TABLE I. Permissible temperature rises. Part/Insulation class Bolted connections and terminal studs: Not silver plated Silver plated Class A insulation Class B insulation Class F insulation Class H insulation Class N insulat
35、ion Class A insulation Class B insulation Class F insulation Class H insulation Class N insulation Shunt coils - ac: Shunt coils - dc: Temperature rise (max) 50C ambient 50 65 60 80 105 130 150 55 75 100 125 145 90C ambient 10 25 20 40 65 90 110 15 35 60 85 105 3.5.5 PickuD and drOrOUt voltam. When
36、tested as specified in 4.6.6, the pickup and dropout voltage for relays shall be in accordance with 3.5.5.1 through 3.5.5.3. 3.5.5.1 Ac and dc relays. Ac and dc relays shall pickup and seal at 80 percent or less of rated voltage with the relay at its maximum operating temper- ature and shall operate
37、 between the pickup and seal voltage and 110 percent of rated voltage. 3.5.5.2 Storape batterv service, Relays for storage battery service shall pickup and seal at 70 percent or less of rated voltage with the relay at its maximum operating temperature and shall operate between the pickup and seal vo
38、ltage and 140 percent of rated voltage. 3.5.5.3 Dropout voltape. Relays shall drop out at not less than 10 percent of rated voltage. 3.5.6 Contact millivolt droD. Relays shall operate at rated voltage when inclined at angle of 60 degrees from the vertical in any direction. 3.5.7 Contact millivolt dr
39、op. Unless otherwise specified (see 6.2), relays, when tested as specified in 4.6.8, shall not exceed a contact millivolt (mV) drop of 175 mV for an individual reading or 150 mV for an average reading. 3.5.8 Vibration. When tested as specified in 4.6.9, relays shall experience no mechanical damage,
40、contact chatter or failure to operate in either the ener- gized or deenergized position due to vibration. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5.9 High - impact (H.1.) shock. hhen tested as specified in 4.6.10, relays shall experience
41、no mechanical damage or failure to operate in either the ener- gized or deenergized position due to H.I. shock. Unsealed relays shall be disassembled to the extent where condition of the relay can be easily observed and inspected thoroughly for damage. Contact chatter shall meet the requirements for
42、 the class of relay specified in 1.2.1.7. Following the test, the relay shall meet the requirements of 3.5.3 and 3.5.5. 3.5.10 Endurance. When tested as specified in 4.6.11, moving parts and parts subject to burning shall withstand the endurance requirements for the relay specified in 1.2.1.3 for me
43、chanical durability and arc rupturing ability. Follow- ing the test, the relay shall meet the requirements of 3.5.2, 3.5.3, 3.5.5 and 3.5.6. 3.5.11 Dielectric withstanding voltage. When tested as specified in 4.6.12, relays rated at 600 V or less shall withstand for 1 minute a dielectric test voltag
44、e of twice rated voltage plus 1000 V root mean square (rms). Relays rated over 600 V shall Withstand, for 1 minute, a dielectric test voltage of 2-1/4 times rated voltage plus 2000 V rms. 3.5.12 Overvoltage. When tested as specified in 4.6.13, relays operate at 130 percent of rated voltage for 24 ho
45、urs. During this time, the relay does not have to meet the requirements of this specification; but must open or close the contacts when signaled. After the relay has returned to room ambient temperature it shall meet the requirements of 3.5.2, 3.5.3 and 3.5.5. 3.5.13 Response time. men tested as spe
46、cified in 4.6.13, the relay shall have a response time no greater than the certified maximum specified for the particular relay (see 6.2). 3.5.14 Leakage current. Leakage current shall be less than 5 milliamperes. 3.6 Reliabilitv. The upper test mean time between failure (MTBF) for continuous and in
47、termittent operation, in accordance with MIL-STD-781 shall be 30,000 hours under the environmental conditions specified for the equipment when tested (see 4.6.16). 3.7 Maintainability. The relay shall permit troubleshooting, fault isolation and repair, down to the lowest non-repairable part or non-r
48、epairable assembly (see 4.6.17). 3.8 Identification plates. Identification plates shall conform to type A, B When the or C of MIL-P-15024 and MIL-P-15024/5. These plates shall be installed on the relay for which they are intended. size or construction of the relay is such that an identification plat
49、e as described above cannot be installed, the contractor shall obtain approval for alternate means of identifying the relay from the command or agency concerned. Unless otherwise specified (see 6.2), the minimum information to be marked on identification plates shall include the following items: They shall be attached to the relay. (a) Manufacturers name or logo. (b) Manufacturers part or catalog number. 7 Provided by IHSNot for Resal
