Hirschmann MICE MS20 - Page 8

8
Installation MS20/MS30
Release 11 07/2013
For Use in explosive atmospheres under the European directive 94/9/EC:
Applied Standards: EN60079-0, 2009
EN60079-15, 2010
EN60079-11, 2012
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Note
1
):
The nonincendive field wiring circuit concept allows interconnection of nonincendive field
wiring apparatus and associated nonincendive field wiring apparatus using any of the wiring
methods permitted for unclassified locations when certain parametric conditions are met.
Capacity: C
0
 C
i
+ C
Cable
; Inductivity: L
0
 L
i
+ L
Cable
  
The maximum cable length has to be determined as follows:
(a) max. Cable Length < (L
0
-L
i
) / Cable
L
(“Cable
L
” denotes the inductance per unit length of used cable) and
(b) max. Cable Length < (C
0
-C
i
) / Cable
C
(“Cable
C”
denotes the capacitance per unit length of used cable).
The lower value of (a) and (b) is to apply.
Manufactured in 72654 Neckartenzlingen / Germany by Hirschmann Automation and Control GmbH.
DOM: ww/yyyy (Date of manufactur: w - week, y - year. Refer to the device label).
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943-435-999 according to the directive 94/9/EC
or Class I Division 2 Hazardous Locations
Rev.: 2 Document No.: 000160011DNR Page 3/4