3100V106-IN
5
The power supply unit must comply with NEC Class 2, as described by the
National Electrical Code
®
(ANSI / NFPA 70).
cfmus InStallatIon In dIvISIon 2 or Zone 2
Class I, Div. 2, Group A, B, C, D T4 or I, Zone 2, AEx nA IIC T4 or Ex nA IIC T4.
In class I, Division 2 or Zone 2 installations, the subject equipment shall be
mounted within a tool-secured enclosure which is capable of accepting one or
more of Class I, Division 2 wiring methods specified in the National Electrical
Code (ANSI/NFPA 70) or in Canada in the Canadian Electrical Code (C22.1).
The 3000 System Isolators and Converters must be connected to limited output
NEC Class 2 circuits, as outlined in the National Electrical Code
®
(ANSI /
NFPA 70), only. If the devices are connected to a redundant power supply (two
separate power supplies), both must meet this requirement.
Where installed in outdoor or potentially wet locations the enclosure shall at a
minimum meet the requirements of IP54.
Warning: Substitution of components may impair suitability for zone 2 / division 2.
Warning: To prevent ignition of the explosive atmospheres, disconnect power
before servicing and do not separate connectors when energised and an
explosive gas mixture is present.
Warning: Do not mount or remove devices from the power rail when an explosive
gas mixture is present.
IeCex, ateX InStallatIon In Zone 2
IECEx KEM 10.0068 X................................ Ex nA IIC T4 Gc
KEMA 10ATEX0147 X ................................. II 3G Ex nA IIC T4
For safe installation the following must be observed. The device shall only be
installed by qualified personnel who are familiar with the national and international
laws, directives and standards that apply to this area.
Year of manufacture can be taken from the first two digits in the serial number.
The devices shall be installed in a suitable enclosure providing a degree of
protection of at least IP54 according to EN60529, taking into account the
environmental conditions under which the equipment will be used.
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