International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 48D

Mechanical structures for electrical and electronic equipment

 

Detail

Committee
Working Groups
Project Leader

Current

Status

Frcst Pub

Date

Stability

Date

SC 48DWG 5Mr Yosuke KurokiPPUB2020-032023

History

Stage
Document
Downloads
Decision Date
Target Date
prePNW
2017-12-21 
PNW
48D/662/NP PDF file 763 kB
2017-12-22 
PRVN
2018-03-162018-03
ACD
48D/669/RVN Word file 68 kB
PDF file 140 kB
2018-04-132018-05
CD
48D/678/CD
PDF file 713 kB
2018-05-252018-05
PCC
2018-08-172018-08
CDM
48D/686/CC PDF file 174 kB
Word file 69 kB
2018-08-312018-09
A2CD
48D/686A/CC PDF file 173 kB
Word file 71 kB
2018-10-122019-01
2CD
48D/692/CD
PDF file 615 kB
2018-12-282019-01
PCC
2019-03-222019-03
ACDV
48D/699/CC PDF file 273 kB
Word file 113 kB
2019-04-122019-04
TCDV
2019-04-262019-06
CCDV
48D/700/CDV
PDF file 987 kB
PDF file 788 kB
2019-06-142019-06
PRVC
2019-09-062019-09
APUB
48D/715/RVC PDF file 64 kB
Word file 53 kB
2019-11-222020-01
TPUB
2020-01-062020-01
DECPUB
2020-01-072020-02
RPUB
2020-02-102020-01
BPUB
2020-02-172020-05
PPUB
2020-03-252020-03
  

Abstract

IEC 62610-6:2020 deals with thermal management for cabinets in accordance with IEC 60297 and IEC 60917 series, provides compatible measurement methods of recirculation ratio and bypass ratio which are indicators for defining quality of airflow in the forced air cooling that can be commonly applied to indoor cabinets for mounting subrack and/or chassis-based equipment.
This document contains the following:
a) the definition of recirculation and bypass flow rates in the cooling of the cabinet,
b) the levels of the recirculation ratio RC,
c) the definition of the formula for the recirculation ratio RCs of forced air cooling subrack and/or chassis-based equipment installed in the cabinet,
d) the definition formula of recirculation ratio RCr and bypass rate BPr of the entire cabinet,
e) the requirements of the measuring method of each temperature necessary for calculating the recirculation ratio RCs, RCr and bypass ratio BPr.
The purpose of this document is to provide:
• for the equipment integrator and development designer of the cabinet the criteria for efficiently and correctly determining the specification, and
• for the supplier of the cabinet the measuring and classifying method for the airflow recirculation rate of the subrack and/or chassis-based equipment installed in the cabinet.

Project

IEC 62610-6:2020 ED1

Mechanical structures for electrical and electronic equipment - Thermal management for cabinets in accordance with IEC 60297 and IEC 60917 Series - Part 6: Air recirculation and bypass of indoor cabinets