Siemens ST-H - Use in hazardous areas

Transducers
Compact Operating Instructions, 01/2018, A5E43390688_AA
9
Safety notes
2
2.1
Preconditions for use
This device left the factory in good working condition. In order to maintain this status and to
ensure safe operation of the device, observe these instructions and all the specifications
relevant to safety.
Observe the information and symbols on the device. Do not remove any information or
symbols from the device. Always keep the information and symbols in a completely legible
state.
2.1.1
Warning symbols on device
Symbol
Explanation
Consult operating instructions
2.1.2
Laws and directives
Observe the safety rules, provisions and laws applicable in your country during connection,
assembly and operation. These include, for example:
● National Electrical Code (NEC - NFPA 70) (USA)
● Canadian Electrical Code (CEC) (Canada)
Further provisions for hazardous area applications are for example:
● IEC 60079-14 (international)
● EN 60079-14 (EU)