Siemens Set CEM CERT, Operating Instructions Manual, Page: 34 / 128

Connection
6.2 Electrical installation
Set CEM CERT
32
Operating Instructions, 06/2021, A5E34491309-12
6.2 Electrical installation
6.2.1 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)
6.2.2 Supply connection
The following supply voltages are possible:
• Voltage: 230 V (-15%, +10%), 50 or 60 Hz, including main switch
• Voltage: 400 V (-15%, +10%), 50 or 60 Hz, including main switch, 3-phase
The fuse protection on the customer end must be selected according to the calculation
created by Siemens. This calculation will be created individually upon receipt of the
order.
The owner must provide a UPS.