Important Notes On Using The Device In Hazardous Areas - Siemens SCALANCE X-300M PoE Compact Operating Instructions

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Safety notices on use in hazardous areas according to ATEX and IECEx

Requirements for the cabinet/enclosure

To comply with EC Directive 94/9 (ATEX95) or the conditions of IECEx, this enclosure must

meet the requirements of at least IP54 in compliance with EN 60529.

Suitable cables for temperatures in excess of 70 °C

If the cable or conduit entry point exceeds 70 °C or the branching point of conductors

exceeds 80 °C, special precautions must be taken. If the equipment is operated in an air

ambient in excess of 50 °C - 70 °C, only use cables with admitted maximum operating

temperature of at least 80 °C.

Protection against transient voltage surges

Provisions shall be made to prevent the rated voltage from being exceeded by transient

voltage surges of more than 40%. This criterion is fulfilled, if supplies are derived from

SELV (Safety Extra-Low Voltage) only.

2.1

Important notes on using the device in hazardous areas

WARNING - EXPLOSION HAZARD -

DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE

NON-HAZARDOUS.

Restricted area of application

This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-

hazardous locations only.

Restricted area of application

This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations

only.

SCALANCE X-300M PoE

Compact Operating Instructions, 05/2016, A5E02630810-09

WARNING

2.1 Important notes on using the device in hazardous areas

Safety notes

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