1、a I a a 9 O cv ln I a uj EIA 520CAAA-A 92 = 3234600 050obll - 9 Reproduced By GLOBAL ENGINEERING DOCUMENTS With Tho Pmission of EIA Unda Aoyaiiy Agreement ANSI/ EIA- 5 2 O CA AA- A - 19 9 1 APPROVED: September 20, 1991 EIA S P ECI FI CATI ON Detail Specification for Sensitive Switches, Single Break
2、Contacts, Basic Size IA 152QCAAA I A MARCH 1992 ELECTRONIC INDUSTRI ES ASSOCIATION ENGINEERING DEPARTMENT horoved For Use In The NECQ Svstem EIA 520CAAA-A 92 m 3234600 0500bL2 O m NOTICE EIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunder
3、standings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in any respect pre
4、clude any member or non- member of EIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than EIA members, whether the standard is to be used either domestic
5、ally or internationally. Recommended Standards and Publications are adopted by EIA without regard to whether their adoption may involve patents on articles, materials, or processes. By such action, EIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to p
6、arties adopting the Recommended Standard or Publication. This EIA Specification is considered to have International Standardization implication, but the International Electrotechnical Commission activity has not progressed to the point where a valid comparison between the EIA Specification and the I
7、EC document can be made. This Specification does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Specification to establish appropriate safety and health practices and to determine the applicab
8、ility of regulatory limitations before its use. (From Standards Proposal No, 2233-A formulated under the cognizance of P-13.3 Subcommittee on Sensitive, Pushbutton and Keyboard Switches) Published by ELECTRON IC IN DUSTRI ES ASSOCIATION Engineering Department 2001 Pennsylvania Avenue N.W. Washington
9、, D.C. 2ooo6 PRICE: Please refer to the current Catalog of EIA & JEDEC STANDARDS & ENGINEERING PUBLICATIONS or call Global Engineering Documents, USA and Canada (I-800-854-7179) International (71 4-261 -I 455) Copyright 1992 All rights reserved Printed in U.S.A. EIA 520CAAA-A 92 m 3234600 0500613 2
10、m - This document is copyrighted by the EL4 and may not be reproduced without permission. Organizations may obtain permission to reproduce a limited number of copies through entering into a license agreement with the EIA. For information, contact PLEASE! DONT VIOLATE THE LAW! EL4 Engineering Publica
11、tions -ce 2001 PennsyIvania Ave., N.W. Washington, D.C. 20006 (202)457-4963 EIA 520CAAA-A 72 = 3234600 0500614 4 EIA-520CAAA-A Page 1 National Standard0 Organization Electronic industries Association 2001 Pennsylvania Avenue N.W. .Washington, D.C. 20006 Generic Specification Number Electronic compon
12、ents of assessed quality in accordance with EIA-5200000 Outline Drawing - Maximum envelope Dimensions SEE FIGURES 1 THRU 3 FOR DETAIL DIMENSIONS Detail Specification Number I Blank Detail Specification EIA 520CA00 Product Description - sensitive switches - single break contacts - basic size - single
13、 pole - 15 A max, current rating - 480 Vac Max. voltage - 10 types of actuators - 5 types of terminals rating Electrical Circuit - momentary action Form A: normally open Form B: normally closed Form C: double throw Form A Form B Form C Typical Construction plastic housing plastic or metal actuator A
14、pplicatiodAsaermKnt Level Electrical or electronic equipment Information on the availability of components qualified to this specification is given in the Qualified Products List EIA 520CAAA-A 92 = 3234b00 0500bl15 b EIA-520CAAA-A 1 ,o 1.1 1.1.1 1.1.2 1.1.3 1.2 1.2.1 SECTIOI Ose - GEUEUL DATA Genera
15、l data Dimensional Parameters Mounting Dimensions The mounting dimensions shall be in accordance with Figure 1 and are common to all switches covered by this detail specification. The configuration is optional within the specified dimensions. The original dimensions are in inches. Actuator Dimension
16、s The actuator dimensions shall be in accordance with Figure 1 for pin plunger actuators and Figure 2 for other integral actuator styles. The free position dimensions are based upon the switch being oriented such that the switch terminals are on the bottom side of the switch, Terminal Dimensions The
17、 terminal dimensions shall be in accordance with Figure 3. The dashed lines represent the maximum dimensions within which the terminals must be located. The terminal location within the specified envelope is optional. Ratings and Characteristics Electrical ratings Electrical - power - logic level -
18、low levei See Table I. Not applicable, Not applicable. TABLE I - ELECTRICAL RATING CODES 1/8 hp 250 V ac 60 Hz I- I 15A I 15A 1/4 hp 1/2 hp 15 A 1/2 hp - M 15 A Sea Level Ratings 50,000 feet I r- - 480 V ac 28 V dcl125 V de 250 V dc 28 V dc 115 V ac 60 Hz ! 60 Hz -_ I i 0.5 A 0.25 A - 15 A i - e - 0
19、.5 A 0.25 A - - I 15 A - 0.5 A 0.25 A - - 15 A - 1.0 A - - - - 2.0 A -0- _- 2.0 A 15 A EIA 520CAAA-A 92 m 3234600 0500636 8 W 4 1.2.2 Environmental ratings Alt i tude Corrosive gases Fluid resistance Fungus resistance I c ins hiois tu re Resist ance Random vibration Salt spray Sand and dust Shock Te
20、mp era t u re Thermal Shock Vi brat ion 1.2.3 Mechanical characteristics Flammability Immersion in solvents Low temperature operation Mass Operating characteristics Sealing Strength of - actuator Types 1 through 5 Types 6 through 10 Types 1, 2, and 6 through 10 Types 3, 4 and 5 - mounting bushing -
21、screw mounting - termination Types 1 through 4 Type 5 So lderabi 1 ity 1.2.4 Electrical characteristics Actuator grounding Altitude voltage proof Capacitance Contact bounce Endurance - electrical rating code M only - other electrical rating codes - logic level - low level - mechanical Insulation res
22、istance EIA-520CAAA-A Page 3 50.000 feet Not applicable. Not applicable. Not applicable. Not applicable, Applicable. Not applicable, 96 hours. Not applicable, Not applicable, -55C to -85OC (operating). -55C to +85C Not applicable. Applicable. Not applicable, Applicable, ,045 kg (0.1 lb) caximum, See
23、 Table V, Not applicable, 4.5 kg (10 lb). ,23 kg (0.5 lb). Not app 1 icab 1 e, 1.3 N-m (25 lb-inl. 0.8 N-m (7.1 lb-in). &.O kg (5.8 lb), 2.0 kg (4.4 lb). App 1 icable to solder te mina 1s (Type 3) only. Sot applicable. 300 V rms Not applicable, Not applicable. 100,000 cycles at either yS5C . : at 50
24、,000 ft. with no sticks 131 inisses. 100,000 cycles at atmospheric conditions with no sticks or misses, Not applicable, Not applicable, 1,000,000 cycles, 1,000 megohms. EIA-520CAAA-A Page 4 EIA 520CAAA-A 92 3234600 O500637 T 1 Over 1 oad Applicable, Switch resistance - specified current Temperature
25、rise OOC naxinum. Voltage proof - Electrical rating codes E, F, G, H Not applicable, - Electrical rating code H ,025 ohm maximum. - Electrical rating codes E, F and G 1500 Vac, - Electrical rating code H 1000 Vac. 1.3 Type Desiqnation Switches covered by this detail specification shall be described
26、by the following in the order shown: a) The b) The A= B= c= c) The 1= 2= 3= 4= 5= d) The e) The number for the detail specification. type of contact arrangement. normally open normally closed double throw style of the terminals per figure. bottom facing screw with cup washers (Type1 1 bottom facing
27、screw with captive lockwasher (Type 2) solder (Type 3) side facing screw with cup washers (Type 4) quick connect terminals (Type 5) electrical rating code per Table I, discrete switch identification per Table V. Example of Type Designation: EIA520CAAAClEOl EIA520CAAA c 1 E 01 discrete swtch identifi
28、cation electrical rating code terminal style contact arrangement number for this detail specification 1.4 Harking The marking of the switch and package shall be in accordance with the requirements of EIA 5200000, paragraph 2.5, with the following infonrat ion: The switches shall be marked a) Termina
29、l identification as follows: C foi- cox!on terrina1 NO for normally open terminal NC for normally closed terminal b) EIA part number c) Manufacturers name d) Date code per RS-476 . * 1.5 1.6 1.7 1.7.1 1.8 1.9 EIA-520CAAA-A Page 5 Ordering I nf orna t ion Orders for switches covered by this specifica
30、tion shall contain the following infomation as a minimum: a) the applicable part number per paragraph 1.3. Certified records of released lots - not required Additional information (not for inspection purposes) Safety considerations The user shall consider the suitability of the switch with regard to
31、 any safety requirements applicable to the equipment, Increased severities or requirements which are additional to those specified in the generic or sectional specification Common Features PLASTIC PL AST IC MOUNTING HOLES COVER BASE EIA 520CAAA-A 92 m 3234b00 0500b19 3 m EIA-52CAAA-A Page 6 NOTES :
32、(a) Dimensions are denoted as follows: 0.0 = mm (bi !Cl UnleSS otherwise noted, inch dimension tolerances are: 0.00 = inches Metric dimensions are based upon 1.0 inch = 25.4 millimeters. One place (.O) = rr.030 Two place ( .OO) = f.015 Three place (.OOO) = f.005 (d) Fineness OE rounding (inch to mil
33、limeter) tolerances: Inch Tolerance +.O000 to k.00016 +.O0016 to 2.0016 2.0016 to 2.016 1.016 to 1.16 Mounting holes wil diameter on 25.40 1 accept pi 2 0.05 mm i Derived Hillimeter Tolerance Rounded to the nearest: 0.0001 (5 decimal places) 0.001 (3 decimal places) 0.01 (2 decinal places) 0.1 (1 de
34、cimal place) ns or screws of 3.53 mm t.139 inch) 1,000 2 .O02 inch) centers. DIA maximum FIGURE 1 - HIlNTIG DIMENSIONS AND TYPE 1 ACTUATOR (PIN PLUNGER) EIA 520CAAA-A 92 = 3234600 0500b20 T _ _ 8.28 f0.25 DIA li- (.326*.010) ( .9 I7 f .O1 5 ) t III I TYPE 2 - Overtravel plunger 4*45f0*76 WIDE ROLLER
35、 12.7 SO) IA X(.175f.030) TYPE 4 - Bushing Mounted Roller Plunger (see note 2) EIA-520CAAA-A Page 7 8.28 f0.25 DIA . I A FREE POSITION .t - TYPE 3 - Bushing Mounted Overtravel Plunger 12*7 DIA X( 445fO76 in* b30)WIDE ROLLER 70) (,9 l7f.0 15 ) 35.05 :RE POSITION &+ SEE NOTE I 26.16 MAX I .O30 TYPE 5
36、- Bushing Mounted Roller Plunger (see note 3) NOTES : 1. Tne mounting bushing shall have .469-32UNS-2A threads to within 2.39 mm 2, 3. Roller shall be perpendicular to the major axis of the switch. (,O94 inch) of the shoulder. Roller shall be coaxial with the major axis of the switch. PIGURB 2 - ACT
37、UATOR DIBf:EOSIO1OS EIA-520CAAA-A EIA 520CAAA-A 92 m 3234b00 0500b21 L m 2 Page 8 r PIGUBB 2 (conte) - ACTUATOR DI)LeblSIOIS EIA 520CAAA-A 92 3234600 0500b22 3 M _ (,.$ MAX WITH SCREW SEATED I I L6-32UNC-2A SCREW (3) TYPE 1 - Screw Terminals (Bottom facing with cup washers) 6.86 (.27) MAXl ,085 DIA
38、HOLE IN TERMINAL (3) TYPE 3 - Solder Terminals 17.53 i.690) MAxl TYPE 5 - Quick Connect Terminals (.250) wide x (.032) thick 6.35 0.81 EIA-520CAAA-A Page 9 12.45 L49 WITH SCREW SEATED MAX (.i 10 L6-32UNC-2A SCREW (3) TYPE 2 - Screw Terminals (Bottom facing with captive lockwasher 6-32UNC-2A SCREW (3
39、) TYPE 4 - Screw Terminals (Side facing with cup washers) NOTES : 1. The dashed lines represent the maximum permissible envelope for the terminals. 2. The terminal location within the specified envelope dimensions is optional. FIGURE 3 - TERHIHAL DIMEISIOIS EIA 520CAAA-A 92 3234600 0500b23 5 EIA-520
40、CAAA-A Page 10 SECT1011 m - ISpLsMI011 BEQUI- 2. Inspection requirements 2.1 2.2 2.3 Structurally similar devices The same insulation material shall be used in all switches covered by this specification. The same internal mechanical switching mechanism and internal electrical spacings, including the
41、 contact gap, shall be used for all switches except the removal of those piece parts that may not be required for normally open or normally closed electrical circuits may be eliminated. The base material for the electrical contacts shall be the same for all switches having electrical rating codes E,
42、 F, G and M. Pre-conditioning Switches shall not be preconditioned prior to inspection. Qualification approval inspection Qualification Approval inspection requirements shall be in accordance with Table II for multiple product approval, f EIA 520CAAA-A 92 m - 3234OO 0500b24 7 m EIA-520CAAA-A Page 11
43、 e Test number and test designation (see Note A) TABLE II - QUAUFICATION APPRCVAL INSPECTION TESTS GROUP O (non-destructive) 1-1 Visual examination 1-5 Functional operation 1-6 Operating character. 2-1 Switch resistance 2-5 Insulation resistance 3-1 Voltage proof Elect. rating code H all others 3-2
44、Alt, voltage proof GROUP OA (non-destructive) 1-2 Dimensions 1-3 Gauging 1-4 Mass - GROUP 1 (destructive) 11-1 Solderability 6-4 Strength of terminals Types 1 - 4 Type 5 6-1 Strength of actuator Types 1 - 5 Types 6 - 10 9-1 Overload GROUP 1A (destructive 1 8-1 Electrical endurance 4-1 Temperature ri
45、se 2-1 Switch resistance 3-1 Voltage proof Elect, rating code H all others 1-6 Operating char. GROUP 1B t dest mc tive 1 8-2 Electrical endurance - -I- 4-1 Temperature rise 3-1 Voltage proof Elect, rating code H all others 1-6 Operating char. Conditions of test (see Note A) 6 V, 100 mA 500 Vdc 1000
46、Vac 1500 Vac 300 V - Figs. 1 thru 3 Fig, 1, note e 4,O kg (8.8 lb) 2.0 kg (4.4 lb) 4.5 kg (10 lb) 0.23 kg t.5 lb) i0 cycles - .OO,OO cycles 6 v, 100 ma 1000 Vac 1500 Vac .O0 , O00 cycles 1000 Vac 1500 Vac Sample size, sample description, & criterion or acceptability - n al: = 2 - 4 4 4 il I - G 6 6
47、6 6 - 4 4 4 4 (See Note B) sample description units of il thru (51 rlect. rating code H onl) units for Group C only - each of il thru SI units each (51 units each 31 units each (31 units for Groups 1A-1C - each elec. rating Il I each elec. rating i) !lect, rating code H only each eec. rating il each
48、 elec. rating i - elect. rating code M 121 at sea level elect. rating code M (21 elect, rating code M 12) elect, rating code H 2) Perf o nuance requirements (see Note A) see Table V R S .O25 Q R 2 1000 M leakage S 500W within limits within limits 45 g (0.1 1b)mw no damage no damage IO sticks/misses
49、S 30.C R S .O25 Q Leakage S 500m see Table V - io sticks/micces 5 30.C leakage s 500vA see Table V GROUP 4 10-6 Low temp, operation _ EIA 520CAAA-A 92 3234600 0500b25 9 EIA-52OCAAA-A Page 12 TAW II - QUALIFICATION APPRVU INSPGCTION TESTS (cont.) Test number and test designation (see Note A) Condit ions of test (see Note A) Sample size, sample description, LS criterion or accept
