1、 AEROSPACE STANDARD CABLE, LOW INDUCTANCE, 270 VOLT DC AS5756/7Copyright 2017 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, photocopying, recording, or otherwise,
2、 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 ISSUED2010-06REVISED2017-08THIRD ANGLE PROJECTION CUSTODIAN: AE-8/A
3、E-8D REV.A FEDERAL SUPPLY CLASS 6145 AS5756/7 SHEET 1 OF 3 REV. A PROCUREMENT SPECIFICATION: AS5756 SAE Technical Standards Board Rules provide that: “This report is published by SAEtoadvance thestate of technicaland engineering sciences. The useof this report is entirely voluntary, and its applicab
4、ility andsuitability for any particularuse, includingany patent infringement arisingtherefrom,is the sole responsibility of theuser.” SAE reviews eachtechnical reportatleast every fiveyears at whichtime it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and su
5、ggestions.SAE values your input. To provide feedback on this Technical Report, please visit HTTP:/STANDARDS.SAE.ORG/AS5756/7A RATIONALE REVISION REQUIRED TO CLARIFY MARKINGS AND INCREASE CABLE LIFE IN ORDER TO ESTABLISH A QUALIFIED SOURCE. NOTICE THE COMPLETE REQUIREMENTS FOR PROCURING THE PRODUCT D
6、ESCRIBED HEREIN SHALL CONSIST OF THIS DOCUMENT AND THE LATEST ISSUE OF AS5756. FIGURE 1 - AS5756/7 CABLE REQUIREMENTS: UNLESS OTHERWISE SPECIFIED IN ACCORDANCE WITH AS5756. DIMENSIONS 1. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE .X = 0.01, .XX = 0.03, XXX = 0.010, INCH AND
7、 ANGLES ARE 2. AEROSPACE STANDARD AS5756/7 SHEET 2 OF 3 REV. A CABLE, LOW INDUCTANCE, 270 VOLT DC CONSTRUCTION 1. CENTER FILER (F) MATERIAL: IN ACCORDANCE WITH AS5756. 2. POSITIVE PHASE COMPONENTS (+) GAGE SIZE: 8 AWG. CONDUCTOR: EIGHT UNCOATED COPPER CONDUCTORS, 420 SIZE 34 STRANDS IN ACCORDANCE WI
8、TH ASTM B-3, ROPE LAY IN ACCORDANCE WITH ASTM B-173. INSULATION: ETHYLENE-PROPYLENE-RUBBER, EPR WALL THICKNESS .045 INCH IN ACCORDANCE WITH ICEA S-66-516, COLOR RED. MARKING: PRINTED WITH A “POSITIVE +” NOT TO EXCEED 2 INCH INTERVALS. 3. NEGATIVE NEUTRAL-PHASE COMPONENTS (-) GAGE SIZE: 8 AWG. CONDUC
9、TOR: EIGHT UNCOATED COPPER CONDUCTORS, 420 SIZE 34 STRANDS IN ACCORDANCE WITH ASTM B-3, ROPE LAY IN ACCORDANCE WITH ASTM B-173. INSULATION: ETHYLENE-PROPYLENE-RUBBER, EPR WALL THICKNESS .045 INCH IN ACCORDANCE WITH ICEA S-66-516, COLOR BLACK. MARKING: PRINTED WITH A “NEGATIVE -” NOT TO EXCEED 2 INCH
10、 INTERVALS. 4. CONTROL COMPONENTS (1 TO 3, AND 4 TO 6) GAGE SIZE: 14 AWG. CONDUCTOR: THREE UNCOATED COPPER CONDUCTORS, 41 SIZE .010 INCH DIAMETER STRANDS IN ACCORDANCE WITH ASTM B-3, LAY IN ACCORDANCE WITH ASTM B-173. INSULATION: CROSS-LINKED THERMOSETTING POLYETHYLENE, WALL THICKNESS .020 INCH IN A
11、CCORDANCE WITH ICEA S-66-524, COLOR BLUE. JACKET: POLYAMIDE IN ACCORDANCE WITH ASTM D4066. WALL THICKNESS SHALL BE .005 INCH. MARKING: A PRINTED IDENTIFICATION NUMBER (1 TO 6) NOT TO EXCEED 2 INCH INTERVALS. 5. CABLE DIAMETER: AS SHOWN IN FIGURE 1. WIRE LAY DIRECTION: ALTERNATING (INNER = RIGHT HAND
12、/OUTER = LEFT HAND, MINIMUM WIRE LAY LENGTHS IN ACCORDANCE WITH AS5756. INNER JACKET: INNER JACKET MATERIAL IS ARTIC NEOPRENE (POLYCHLOROPRENE), IN ACCORDANCE WITH MIL-PRF-13777 PRESSURE EXTRUDED WITH HIGH TENSION LOW STRETCH CROSS WRAPPED REINFORCEMENT OUTER LAYER. INNER JACKET DIAMETER IS 1.440 IN
13、CHES. INNER JACKET THICKNESS AS SPECIFIED IN AS5756. OUTER JACKET: OUTER JACKET MATERIAL IS HD NEOPRENE IN ACCORDANCE WITH MIL-PRF-13777 BONDED TO REINFORCEMENT LAYER OF INNER JACKET. OUTER JACKET DIAMETER AS SPECIFIED IN FIGURE 1. OUTER JACKET THICKNESS AS SPECIFIED IN AS5756. AEROSPACE STANDARD AS
14、5756/7 SHEET 3 OF 3 REV. A CABLE, LOW INDUCTANCE, 270 VOLT DC IDENTIFICATION 1. IDENTIFICATION MARKING ON OUTER CABLE SHALL BE IN ACCORDANCE WITH AS5756. MARKING TAPES ARE NOT REQUIRED. 2. SPECIFICATION PART NUMBER M5756 /7 -1 CABLE DESIGNATION PART NUMBER AS5756 DETAIL SPECIFICATION NUMBER GENERAL
15、SPECIFICATION NUMBER ELECTRICAL 1. CONDUCTOR RESISTANCE: SHALL BE IN ACCORDANCE WITH AS5756. 2. INSULATION RESISTANCE: SHALL BE IN ACCORDANCE WITH AS5756. APPLICATION 1. CABLE WEIGHT: 1.8 POUNDS/FOOT NOMINAL. 2. CABLE USAGE: USED IN AS7974/5 270 VOLT CABLE ASSEMBLY. SPECIFICATION NOTES 1. REVISION I
16、NDICATOR: A CHANGE BAR (I) 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.
