DSH 732 Limits of tripping in 1.1 times the conventional tripping current after
本帖最后由 小米 于 2012-11-7 19:07 编辑http://decisions.iecee.org/icons/ecblank.gif DSH 732
Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9. ...
9.12.12.1
61009-1(ed.2);am1;am2
Standard(s)- No. Year
IEC 61009-1:2006-06, Ed. 2.2
DSH 0732
2009
Categories: POW, PROT
Subclause(s): 9.12.12.1
Developed by: CTL-ETF7
Subject: Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9.12.11.4b)
Key words: Limits of tripping
Decision approved at the 2009 CTL Plenary Meeting
Question:
After the tests of clause 9.12.11.3 or 9.12.11.4 item b), the tests of non-tripping and
tripping tests shall be performed according to 9.12.12.1. If the current is steadily
increased within 5 s to 1.1 times the conventional tripping current at the end of this
verification, should all the RCBOs trip within 1 h?
Decision:
No, the sentence of “The RCBOs shall trip within 1 h” in 9.12.12.1 shall be replaced by
“The RCBOs shall trip within the conventional time”.
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