Information On Use In Hazardous Areas - Siemens SCALANCE S612 Commissioning And Hardware Installation Manual

Safety notices

2.2 Information on use in hazardous areas

2.2 Information on use in hazardous areas
When used in hazardous environments corresponding to Class I, Division 2 or Class I,
Zone 2, the device must be installed in a cabinet or a suitable enclosure.
EXPLOSION HAZARD
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR
COMBUSTIBLE ATMOSPHERE IS PRESENT.
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
EXPLOSION HAZARD
DO NOT OPEN WHEN ENERGIZED.
The device may only be operated in an environment with pollution degree 1 or 2 (see IEC
60664-1).
The equipment is designed for operation with Safety Extra-Low Voltage (SELV) by a
Limited Power Source (LPS).
This means that only SELV / LPS complying with IEC 60950-1 / EN 60950-1 / VDE 0805-1
must be connected to the power supply terminals. The power supply unit for the equipment
power supply must comply with NEC Class 2, as described by the National Electrical Code
(r) (ANSI / NFPA 70).
If the equipment is connected to a redundant power supply (two separate power supplies),
both must meet these requirements.
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WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
Commissioning and Hardware Installation Manual, 05/2016, C79000-G8976-C266-06
SCALANCE S