1、AEROSPACE STANDARD CIRCUIT BREAKER - TRIP-FREE, PUSH-PULL, 1/2 THRU 20 AMP, TYPE I AS26574Copyright 2011 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopyin
2、g, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 2004-06REVISED 2011-03THIRD ANGLE
3、 PROJECTION CUSTODIAN: AE-8/AE-8B1 REV.AFEDERAL SUPPLY CLASS 5925 AS26574SHEET 1 OF 5REV. APROCUREMENT SPECIFICATION: AS58091SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is entirely volun
4、tary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay bereaffirmed, revised, orcancelled. SAE invites yourwrittencomments
5、andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS26574ARATIONAL LIMIT SCOPE REVISION REQUIRED TO INCORPORATE AS26574-A1 AND UPDATE REFERENCES. NOTICE THE REQUIREMENTS FOR ACQUIRING THE COMPONENTS DESCRIBED HEREIN
6、 SHALL CONSIST OF THIS SPECIFICATION AND THE LATEST ISSUE OF AS58091 FIGURE 1 CIRCUIT BREAKER CONFIGURATION AEROSPACE STANDARD AS26574SHEET 2 OF 4REV. ACIRCUIT BREAKER - TRIP-FREE, PUSH-PULL, 1/2 THRU 20 AMP, TYPE I TABLE 1- PUSHBUTTON DIMENSIONS PUSHBUTTON A (MAX)B(MIN) STANDARD EXTRA LENGTH .759 1
7、.134 .407.782NOTES: 1. DIMENSIONS IN INCHES UNLESS OTHERWISE SPECIFIED; TOLERANCE: DECIMALS .031; AND ANGLES 2 DEGREES. THE NOTCH, AS DEFINED BY 0.110 +/- 0.025 BY .085 MAX DIMENSIONS, IS OPTIONAL ON THE KEYWAY WASHER. 2. PHANTOM LINES INDICATE THAT CONTOUR IS OPTIONAL PROVIDED MAXIMUM DIMENSIONS AR
8、E NOT EXCEEDED. 3. VOLTAGE RATING 28 VDC NOMINAL OR 115V 400 HZ NOMINAL. TABLE 2 ELECTRICAL AND MECHCANICAL CHARACTERISTICS ELECTRICAL AND MECHANICAL CHARACTERISTICS DASHNUMBER NOMINAL CAPACITYAMPERESVOLTAGE DROP MAX (V) WEIGHT MAX(LBS)OPERATING FORCE MAX (LBS) ENDURANCE CYCLES (MAIN) MECH NOLOAD PU
9、LLOUT RESETRESISTIVE INDUCTIVE AC DC AC DC 1/2 0.5 (1/2) 2.0 .066 5 51/5,000 2/5,000 1/2,500 .6 TO .7 LAGGING POWER FACTOR 2/2,500 5,000 3/4 0.75 (3/4) 1.45 1 1 1.1 1-1/2 1.5 (1-1/2) .75 2 2 .75 2 1/2 2.5 (2-1/2) .70 3 3 .55 4 4 .45 5 5 .35 7-1/2 7.5 (7-1/2) .30 10 10 .28 15 15 .25 20 20 .25 ENDURAN
10、CE CYCLES (AUXILIARY CIRCUIT) 1/5,000 WITH 3 AMP LOAD 2/5,000 WITH 5 AMP LOAD 1/5,000 WITH 2 AMP .6 TO .7 2/5,000 WITH 3 AMP LOAD 1/ 400 CYCLE 115/200 VOLT SYSTEM, TESTED AT 120 + 5 VOLTS 380-420 HZ. 2/ 28 VOLTS DC SYSTEM, TESTED AT 30 + 2 VOLTS. AEROSPACE STANDARD AS26574SHEET 3 OF 4REV. ACIRCUIT B
11、REAKER - TRIP-FREE, PUSH-PULL, 1/2 THRU 20 AMP, TYPE I TABLE 3 CALIBRATION REQUIREMENTS DETAIL CALIBRATION REQUIREMENTS TRIP TIME IN SECONDS NOMINAL CAPACITYAMPERES+25C 1/ -55C 1/ +71C 1/PERCENT RATED CURRENT PERCENT RATED CURRENT PERCENT RATED CURRENT 115 150 200 500 1000 135 180 90 130 0.5 (1/2) M
12、USTHOLD1 HOURMIN MUST TRIP 1 HOUR MAX2TO 20.16TO 1.2.046TO 0.8MUSTHOLD1 HOURMIN MUST TRIP 1 HOUR MAXMUSTHOLD1 HOURMIN MUST TRIP 1 HOUR MAX0.75 (3/4) 11.5 (1-1/2) 22.5 (2-1/2) 3457.5 (7-1/2) 1015201/ AMBIENT TEMPERATURE TOLERANCE +2C.TABLE 3 (CONTINUED) CALIBRATION REQUIREMENTS INTERRUPTING CURRENT (
13、AMPERES) REQUIREMENTS NOMINAL CAPACITYAMPERESTEST DESIGNATION PER AS58091 ABCDEF0.5 (1/2) UNLIMITED UNLIMITED UNLIMITED UNLIMITED (a) 2,000 (b) 1,000 (c) 750 (a) 3,000 (b) 1,500 (c) 1,000 0.75 (3/4) 11.5 (1-1/2) 2800 800(a) 500 (b) 300 (c) 50 2.5 (2-1/2) 3457.5 (7-1/2) 500 500 2,000 2,000 (a) 300 (b
14、) 50 (a) 1,500 (b) 1,000 (c) 500 101520AEROSPACE STANDARD AS26574SHEET 4 OF 4REV. ACIRCUIT BREAKER - TRIP-FREE, PUSH-PULL, 1/2 THRU 20 AMP, TYPE I TABLE 4 ENVIROMENTAL PERFORMANCE ENVIRONMENTAL PERFORMANCE MAXIMUM OPERATNIG ALTITUDE FT 80 000 OPERATING AMBIENT TEMPERATURE RANGE -55C TO + 71CVIBRATIO
15、N IN ACCORDANCE WITH AS58091 SINE REQUIRED RANDOM (OPTIONAL) SHOCK 30G, MIL-STD-202, METHOD 213, TEST CONDITION J ACCELERATION 10G REQUIREMENTS: 1. THE PART NUMBERS FOR CIRCUIT BREAKERS IN ACCORDANCE WITH THIS SPECIFICATION SHALL CONFORM TO THE EXAMPLE BELOW. MS26574 - D5ALEXTRA LENGTH PUSHBUTTON (O
16、PTIONAL) AUXILIARY TERMINALS (OPTIONAL) AMPERAGE RATING RANDOM VIBRATION LEVEL (OPTIONAL) BASIC PART NUMBER WHEN A DESIGNATOR IS NOT APPLICABLE IT SHALL BE OMITTED FROM THE PART NUMBER. 2. FOR CIRCUIT BREAKERS WITH AUXILIARY TERMINALS: WHEN THE MAIN CIRCUIT IS OPEN, THE AUXILIARY CIRCUIT IS CLOSED;
17、AND WHEN THE MAIN CIRCUIT IS CLOSED, THE AUXILIARY CIRCUIT IS OPEN. 3. CIRCUIT BREAKERS ARE DESIGNED TO BE NONRECYCLING AS DEFINED IN AS58091. 4. THE KEYWASHER OF DETAIL A SHALL BE PASSIVATED PER AMS-QQ-P-35. 5. AUXILIARY TERMINALS ON THE CIRCUIT BREAKERS ARE INDICATED BY THE LETTER A IN THE PART NU
18、MBER. 6. A CHANGE BAR (|) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
