1、S P ECI FI CATION Detail Specification on 2 Pole Toggle Switches EIA-52ODAAB JUNE 1990 ELECTRONIC I NDUSTRI ES ASSOCIATION ENGINEERING DEPARTMENT Approved For Use In The NECQ System - e EIA 520DAAB 90 m 3234600 0073490 I m NOTICE EIA Engineering Standards and Publications are designed to serve the p
2、ublic interest through eliminating misunderstandings 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 auch Standards an
3、d Publications shall not in any respect preclude any member or nonmember of EIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of auch Standards and Publications preclude their voluntary use by those other than ElA members, whether t
4、he standard is to be used either domestically or internationally. Recommended Standards and Publications are adopted by EIA without regard to whether or not their adoption may involve patents on articles, materials, or processes. By such action, EIA does not assume any liability to any patent owner,
5、 nor does it assume any obligation whatever to parties adopting the Recommended Standard or Publication. This EiA Specification is considered to have International Standardization implication, but the International Electrotechnical Csmmiccion activity kas not progressed to the point where a valid co
6、mparison between the EIA Specification and the IEC document can be made. This Specification does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It ia the responsibility of the user of this Specification to establish appropriate safety an
7、d health practices and to determine the applicability of regulatory limitations before its use. (From EIA Standards Proposal No. 2194 formulated under the cognizance of the IA P- 13.2 Subcommittee on Toggle, Rocker, Paddle i Slide Switches.) APPROVED FOR USE IN THE NECQ SYSTEM AS NQ/EIA-52QBAAB. Pub
8、lished by ELECTRONIC INDUSTRIES ASSOCIATION Engineering Department 2001 Pennsylvania Ave, N.W. Washington, D.C. 20Q06 PRICE: $1 2.00 COPYRIGHT 1990 All rights reserved Printed in U.S.A. EIA 520DAAB 90 m 3234600 0073493 3 m a a EIA-5 2 ODAAB Page 1 NATIONAL STANDARDS ORGANIZATION Electronic Industrie
9、s Association 2001 Eye Street N. W, Washington, D.C. 20006 Generic Specification Number Electronic components of assessed quality in accordance with EIA-5200000 Outline Drawing - MAXIMM ENCLOSURE DIMENSIONS (1.56) 4: MAX 4 3.3 I (.70)MAX 11 fw N -77 O 23.1 (,91 ) MAX I NO TES : 1) See Fig. 1 thru 3
10、for detail dimensions. 2) Dimensions are denoted as follows: 0.0 = mm (0.000) = inch Detail Specification Number EIA-5 2ODAAB )lank Detail Specification Numbei EIA-520DA00 roduc t Description - toggle switch - standard size - two pole - watertight seal - 20 A max. current rating - 277 V max. voltage
11、 rating - 2 toggle lever styles - 3 terminal styles 7lectrical Circuit See Table 1 O L O LJ ( typical 1 rypical Construction - metal toggle lever - metal mounting bushing - plastic housing Lp p 1 ic a t ion Electrical equipment in hostile environments Information on the availability of components qu
12、alified to this specification is given in the Qualified Products List - EIA 520DAAB 90 3234b00 0073492 5 M EIA-520DMB Page 2 INTRODUCTION The complete requirements for the switches described herein shall consist of this detail specification and the current issues of EIA-5200000 and EIA-520D000. SECT
13、ION ONE - GENERAL DATA 1.0 General Data 1.1 Scope The standard size, two pole watertight toggle switches of certified quality covered by this detail specification a) mount in a 12.4 mm (.49 inch) diameter mounting hole. b) have a maximum rated voltage of 274 volts. c) have a maximum rated current of
14、 20 amperes. 1.2 Type Designation Switches covered by this detail specification shall be described by the following in the order shown: a) The number for this detail specification. b) The switching circuit per Table 1. c) The toggle lever locking combination, if any, per Table 1. Insert “X” if no lo
15、cking combination is desired. d) The terminal style per Figure 3. Example of Type Designation: EIA520DAABOlXI EIA520DAAB 1 L- terminal style toggle lever locking combination I switching circuitry number for the detail specification O a 0 EIA 520DAAB 90 m 3234600 0073493 7 m EIA-5 2 ODAAB Page 3 TABL
16、E 1 - SWITCHING CIRCUIT switching circuit number o1 02 03 04 05 06 07 08 10 21 31 50 51 61 70 NOTE: I available locking combination (see fig.2) circuit made with toggle lever in I electrical keyway side 1-2, 4-5 1-2, 4-5 mom. OFF mom.1-2,4-5 mom.1-2,4-5 mom.1-2,4-5 mom.1-2,4-5 1-2, 4-5 i11 111 mom.1
17、-2,4-5 i11 mon.1-2,4-5 mom.1-2,4-5 OFF OFF (none 1 (none 1 none 1 OFF ( none) OFF ( none) 1-2,5-6 OFF 1-2,4-5 1-2,5-6 1-2,4-5 OFF 1-2,5-6 opposite 2-3, 5-6 2-3, 5-6 2-3, 5-6 2-3, 5-6 2-3, 5-6 OFF mom. 2-3, 5-6 2-3, 5-6 2-3, 5-6 2-3, 5-6 2-3, 5-6 2-3, 5-6 mom. 2-3, 5-6 i11 mom. 2-3, 5-6 1 1 1 2 2 2 2
18、 2 1 1 1 2 2 2 2 No toggle lever position. This switching circuitry has two toggle lever positions with one position being the normal center position. 1.3 Markinq The marking of the switch and package shall be in accordance with the requirements of subclause 2.5 of the Generic Specification. The swi
19、tches shall be marked with the following information: a) terminal identification per Figure 1. b) type designation per 1.2 c) manufacturers name d) date code per RS-476 1.4 Ordering Information Orders for switches covered by this Specification shall contain the following information as a minimum: a)
20、 the applicable part number per subclause 1.2. b) *per EIA520DAAB dated (insert issue date)“ 1.5 Certified Records of Released Lot - not required. 1.6 Safety Considerations The user shall consider the suitablility of the switch with regard to any safety requirements applicable to the equipment. EIA
21、520DAAB 90 3234600 O073494 9 EIA-520DAAB Page 4 1.7 Common Features TOGGLE LEVER 0 H USHING CAS E ) /TERMINALS 1.8 Dimensional Parameter 1.8.1 Mounting Dimensions The mounting dimensions shall be in accordance with Figure 1 and are common to all switches covered by this detail specification. The con
22、figuration is optional within the specified dimensions. The original dimensions are in inches. 1.8.2 Toqqle lever Dimensions The toggle lever dimensions shall be in accordance with Figure 2. 1.8.3 Terminal Dimensions The terminal dimensions shall be in accordance with Figure 3. Terminals which are n
23、ot functionally required shall be omitted. 1.8.4 Mounting Hardware The dimensions of the mounting hardware shall be in accordance with Figure 4 for the hex nut, Figure 5 for the internal tooth lockwasher, and Figure 6 for the keying washer. 1.8.5 Terminal Hardware The dimensions of the terminal hard
24、ware shall be in accordance with Figure 7 for the screw with the captive internal tooth lockwasher or, at the option of the manufacturer, with Figure 8 for the pan head screw and with Figure 9 for the split ring lockwasher. EIA 52RDAAEi 90 3234600 0073495 O EIA-5 2 ODAAB Page 5 I I. I o k o. 15 (A38
25、 .O0611 16 SEE FIG. CONTOUR OF SWITCH O PT I ON AL PROV IO O NOT EXCEEDED MAX DIMENSIONS THD.469-32WS-2A L KEYI)VG WASHER LOCKW ASHER (*076*008) TO WITHIN 1.5 (.06) KEYWAY OF SHOULDER HEX NUT 2 REQUIRED 1 2 ?LI csi ) MAX NOTES (APPLICABLE TO ALL FIGURES): (a) Dimensions are denoted as follows: 0.0 =
26、 mm (b) Original dimensions are in inches. Metric dimensions are based upon 1.0 (cl Unless otherwise noted, inch dimension tolerances are: (0.000) = inch inch = 25.4 millimeters. one place (.O) = f .O30 three place (.OOO) = f .O05 two place (.O01 = f .o20 (d) Fineness of rounding (inch to millimeter
27、) tolerances are: derived millimeter tolerance inch to1 erance rounded to the nearest f .O0000 to f ,00016 0.0001 (4 decimal places) f .O0016 to f ,0016 0.001 (3 decimal places) f .O016 to f .O16 0.01 (2 decimal places) f .O16 to 2 .16 0.1 (1 decimal place) FIGURE 1 - MOUNTING DIMENSIONS 7 EIA 520DA
28、AB 90 3234600 007349b 2 EZA-520DMB Page 6 I- l 26.7 -+ (1.05) l I- 3. So*P TAP ER I STANDARD TOGGLE LEVER LEVER-LOCK TOGGLE LEVER (provided when a locking arrangement is specified) LOCKING COMBINATIONS - I F I i w E i G I Locked In I Center and I Lockedln Locked OUI 01 Locked In Center And Extreme P
29、osition Exireme Positon (Keyway SKW (Keyway cide) -+- Locked In Extreme Position Center Posibon (Opposite Keyway) L Y J K Locked Out 01 Center And Extreme Position (Opposite Keyway) Locked Out 01 Locked Out 01 And Into Locked Out 61 Extreme Pown Extreme Posibon Extreme Pocrtron Extreme Pocltm (Kewav
30、 Sdei (Keyway Sde) Locked Out 01 And Into Locked In Center And Extreme Position (Opposite Keyway) PICORE 2 - TOGGLE LEVER DIHEISIOBBB EIA 520DAAB 90 M 3234600 0073497 4 W E IA- 5 2 ODAAB Page 7 I 6.6 (.26) TERMINAL SCREW AND LOCKWASHER 3.3 (.i31 M IN STYLE 1 - SCREW TERMINALS STYLE 2 - SOLDER TERMIN
31、ALS O STYLE 3 - IWTS FOR # 16 AWG WIRE STYLE 4 - IWTS FOR # 20 AWG WIRE FIGURE 3 - TERMINAL DIMENSIONS I- - EIA 520DAAB 90 3234600 0073498 6 EIA-520DAAB AIA TER IAL FF-W- 100 CADMIUM PLATE QQ-P-416. TYPE II. CLASS 3 MIL HARDWARE CAN BE REPLACED BY hlS35333-121 I 25 IO) .469-32UNS-28 1 THREAO FIGURE
32、4 - EX NUT DIMENSIONS I # 1 MATERIAL I FF-W-lnn 1 _ - FINISH 1 PASSIVATE AIIL HARDWARE I NONE -I FIGURE 5 - INTERNAL TOOTH LOCKWASHER DIMENSIONS EIA 520DAAB 90 m 3234600 0073499 B m STEEL CRES EIA-520DAAB Page 9 MA TER I A L FINISH RIL HARDWARE CAN BE REPLACED BY hlS25081-4 MATERIAL FED STD NO. 66 F
33、INISH PASSIVATE MIL HARDWARE CAN BE REPLACED BY RIS25081-C4 QQ- S - 698 CADMIUM PLATE QQ-P-416, TYPE II. CLASS 3 i.ooc-o.oe- Cp 40*,003) MA T E R IA L FINISH MIL HARDWARE SCREW (BRASS) 94-B-626, ALLOY NO. 360, HALF HARD SILVER OR TIN PLATE NONE FIGURE 6 - KEYING WASHER DIMENSIONS LOC K VA SHE R (plo
34、s .138- 32UNC-2A - MA TER IA L QQ-B-750. COhlP A FINISH SILVER OR TIE PLATE ?,IL HAEDWARE NONE O.SOk0.05 THREAD (.O1 85.0 02) FIGURE 7 - SCREW WITH CAPTIVE INTEMAL TOOTH LOCKWASHER DIMENSIONS EIA 520DAAB 90 = 3234600 0073500 O W EIA-5 2 ODAAB Page 10 THREAD SIZE 6.7050.20 .138-32UNC- 2 A (.2 632.007
35、) FED STD NO. 66, 55, O00 PSI (h1IN SULPHUR OR PHOSPHORUS: SHALL NOT EXCEED 0.05 BY WEIGHT! AIATERIA L STEEL L- hlIL HARDWARE CAN BE REPLACED BY IlIs35206- 241 (. 164-32) FIGURE 8 - PAN BEAD SCREW DIWESIOS 1 3.70*0.20 (. I46k.0 05) .8 71.154 (.O 3 42.0 O 3) hIS35338-41 ( .128) I CAE: BE REPLACED i3Y
36、 h1C35338-42 (.164) I RIIL HARDWARE hlS35338- 155 FIGURE 9 - SPLIT RING IX)3KWASHER DIME#SI0)98 EIA 520DAAB 90 3234600 0073503 2 = EIA-5 2 ODAAB Page 11 1.9 Ratinqs and Characteristics 1.9.1 Ratinqs O 1.9.2 Altitude Electrical - power - logic level - low level Flammability Fluid resistance Fungus re
37、sistance Icing Moisture resistance Random vibration Salt Spray Sand and Dust Sealing Shock Temperature Thermal Shock Vibration Characteristics Actuator grounding Altitude voltage proof see note 11 Capacitance Contact bounce EM1 shielding Endurance - electrical (at high temp. - logic level - low leve
38、l - mechanical and at 65,000 ft) Explosion Immersion in cleaning solvents Insulation resistance Mass including mounting hardware Operating characteristics - Total travel - Operating force Overload Resistance to soldering heat Solderability Strength of - actuator - mounting bushing 65,000 ft See Tabl
39、e II not applicable not applicable applicable not applicable applicable not applicable applicable not applicable 96 hours applicable watertight immersion 75 G, half-sine -55C to 70C -55C to 125C 10 G, 10-500 HZ not applicable 500 Vrms not applicable not applicable not applicable 20,000 cycles wi-h n
40、o sticks or misses not applicable not applicable 40,000 cycles applicable. See clause 1.10.1. not applicable not applicable 0.15 pound maximum See Figure 1 not applicable applicable applicable to solder terminals only applicable to solder terminals only 25 pounds 15 pound-inches EIA 520DAAB 90 = 323
41、4600 0073502 4 CODE 1 2 EIA-520DAAB Page 12 current capacity (amperes) 28 Vdc 115 Vac, 60 & 400 Hz resistive inductive lamp load resistive inductive lamp load 20 15 7 15 15 4 18 10 5 11 8 2 Strength of - termination - IWTS - screw - solder Switch resistance Temperature rise - at 6,000 cycles - at 20
42、,000 cycles Voltage proof see note 11 15 lb for 5-10 s 5 pound-inches 5 pound not applicable 30C maximum 50C maximum 1500 Vac NOTE 111: After electrical endurance testing, the points of application of the test voltage shall be from terminals to ground only. 1.10 Increased severities or requirements
43、which are additional to those specified in the generic and/or sectional specification 1.10.1 Explosion Object : The objective of the test is to assess whether a switch, while operating, will ignite an ambient explosive atmosphere prevalent in aircraft applications. This test is not necessary for swi
44、tches which are enclosed in housings (casings) designed to prevent flame or explosion propagation. Test Method: Switches shall be tested in accordance with Method 109 of MIL-STD-202. Switches shall be operated at their maximum rated dc inductive current at the rated voltage. Criteria: The explosive
45、mixture in the test chamber surrounding and external to the switch shall not explode whether or not an explosion occurs within the switch. Switches shall be electrically operable after the test. EIA 520DAAB 90 323YbOO 0073503 b 9 E IA- 5 2 ODAAB Page 13 SECTION TWO - INSPECTION REQUIREMENTS 2. Inspe
46、ction Requirements 2.1 Qualification Approval inspection requirements shall be in accordance with Table III for multiple product approvals. 2.2 Quality Conformance Inspection requirements are prescribed in Table IV for lot-by-lot inspections and Table VI for periodic inspections. For visual examinat
47、ion, the clarification of major and minor defects shall be in accordance with Table V. TABLE III - QUALIFICATION TEST FOR MULTIPLE PRODUCT APPROVAL Test Method & Test Group GROUP A (non-destructive) Visual examination Dimensions Mass Functional operation Operating characteristics Voltage proof GROUP
48、 B (destructive) Solderability Strength of terminations Strength of actuator Overload Elect. endurance-high temp. Elect. endurance-altitude Temperature rise Voltage proof Operating characteristics Sealing-watertight immersion Group C (destructive) Thermal Shock Vibration Shock Moisture resistance Op
49、erating characteristics Voltage proof Sealing-watertight immersion Test NO. 1-1 1-2 1-4 1-5 1-6 3-1 11-1 6-4 6-1 9-1 8-2 8-3 4-1 3-1 1-6 14-1 10-2 5-3 5-2 10-1 1-6 3-1 14-1 Test Samples all units 111 111 all units all units all units 4 units having solder 4 units of each terminal 4 units of each toggle terminals style lever style 121 121 21 all units from Test 8-2 all Group B samples all Group B samples all Group B samples 4 units each of O1 and 07 switching circuits 4 units each of O1 and 07 switching circuits 4 un
