10
Installation MS20/MS30
Release 13 09/2019
For Use in Hazardous Locations Class I Division 2 Groups A, B, C, D:
Applied standard:
ANSI/ISA 12.12.01-2011.
Only allowed for MS20 or MS30 model No´s. which are individually labelled
“FOR USE IN HAZARDOUS LOCATIONS”
Nonincendive field wiring circuits must be wired in accordance with the
National Electrical Code (NEC), NFPA 70, article 501.
WARNING
–
EXPLOSION HAZARD
–
SUBSTITUTION OF ANY COMPONENTS MAY
IMPAIR SUITABILITY FOR HAZARDOUS LOCATIONS OR EXPLOSIVE
ATMOSPHERES.
WARNING
–
EXPLOSION HAZARD
–
DO NOT DISCONNECT EQUIPMENT UNLESS
POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-
HAZARDOUS.
Use 60/75 or 75 °C copper (CU) wire only.
Only for connection to a Class 2 power supply.
Note
2
):
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
a
≥ C
i
+ C
Cable
; Inductivity: L
a
≥ L
i
+ L
Cable
The maximum cable length
has to be determined as follows:
(a) max. Cable Length < (L
a
-
L
i
) / Cable
L
(
“
Cable
L
”
denotes the inductance per unit length of used cable)
and
(b) max. Cable Length < (C
a
-
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).
CONTROL DRAWING
for Industrial ETHERNET Rail Switch MS20 and MS30 devices
943-435-999
according to the directive 2014/34/EU
or Class I Division 2 Hazardous Locations
Rev.: 3
Document No.: 000160011DNR
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Summary of Contents for Hirschmann MICE MS20
Page 82: ......
