DSH 732 Limits of tripping in 1.1 times the conventional tripping current after

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DSH 732 # y+ W& K$ [; w3 p5 o5 O; A& `

Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9. ... - P  t, W$ C/ Z) |' T5 n# n* a

9.12.12.1 5 n" M/ o2 h: `- H9 {% m9 w

61009-1(ed.2);am1;am2

$ w& ^, ?6 o8 l* [$ F1 P) L9 JStandard(s)- No. Year
IEC 61009-1:2006-06, Ed. 2.2
% G2 }0 K$ g( [5 F7 mDSH 0732
4 P2 m7 [$ g% p/ D& }2009
+ @- ^. `# X  F1 j0 }' u3 M* B! D7 SCategories: POW, PROT
Subclause(s): 9.12.12.1
( a! L0 w( A8 }- x7 [+ d, E! h. \  yDeveloped 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)
, n! e( d1 A7 q2 i! qKey words: Limits of tripping
2 d2 H, a- l1 N2 ^" nDecision 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
( w8 Z; |( c; l( x! gtripping 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?
& a8 W& c. _3 L4 F6 z" k; DDecision:
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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