Connecting; Safety Instructions; Laws And Directives - Siemens 7MB2531 Operating Instructions Manual

Connecting

4.1

Safety instructions

4.1.1

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)
Hazardous contact voltage
Risk of electric shock in case of incorrect connection.
• For the electrical connection specifications, refer to the information in Electrical
• At the mounting location of the device observe the applicable directives and laws for
Missing PE/ground connection
Risk of electric shock.
Depending on the device version, connect the power supply as follows:
• Power plug: Ensure that the used socket has a PE/ground conductor connection. Check that
• Connecting terminals: Connect the terminals according to the terminal connection
Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
Compact Operating Instructions, 09/2018, A5E45779389002-01
WARNING
connections (Page 31).
installation of electrical power installations with rated voltages below 1000 V.
WARNING
the PE/ground conductor connection of the socket and power plug match each other.
diagram. First connect the PE/ground conductor.
4
27