PDSH 971 Classification of self contained emergency luminaires according to the

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PDSH 971 3 q) v+ G6 d6 f, v

Classification of self contained emergency luminaires according to the mode of operation

22.4

60598-2-22(ed.3);am1;am2 5 L1 l/ S0 S) H7 x

Standard(s):
IEC 60598-2-22/1997 A1/2002 A2/2008
% W2 k, |! f4 }. F* LSubclause(s): 22.4
No. Year PDSH 0971 2010
8 K) T; m& K* `& B  \6 eCategory: LITE Developed by: ETF5 OSM/LUM
# K4 c& S( z8 E8 n0 @Subject:
: d0 Z! \! P+ J2 HClassification of self contained emergency luminaires according to the mode of operation
7 d; ~# [' {& h5 |% q  Q- X7 _Key words:
2 E6 `/ p  S  D9 x: n) a$ H2 e- Maintained emergency luminaire
- Non maintained emergency luminaire
( }4 l( w, K. f6 x9 k. B/ m- Mode of operation
3 o4 U1 `$ Z# c4 {To be approved at the 49th CTL Plenary Meeting, in 2012
Question:
* c/ X2 |% a3 z' `* NAccording to the definition 22.3.5, “Maintained emergency luminaire is a luminaire in which the
emergency lighting lamp is energized at all times when normal or emergency lighting is required”. Can
the emergency lighting lamp of a self contained emergency luminaire classified as “maintained
emergency luminaire”, be switched on and off with an external switch in the installation? The question is
6 J8 s6 d/ {& z' sasked because if the lamp is switched off when the supply is present, the luminaire can be seen as a “non
/ t) w# Q; F4 V$ ^& M% _% Z# xmaintained emergency luminaire”.
Decision:
Yes, only during the normal lighting operation.


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