16 M1M 20 POWER METER USER MANUAL
Type of network
M1M 20 can be used on different type of network (please refer to chapter “7.Configuration (CONF)” for
the configuration on the device).
According to the type of network that has been chosen, the parameters visualized on the device HMI
change.
Below the wiring diagrams are shown:
• 3-phase 4-wire network with 3CTs (3N3T)
• 3-phase 3-wire network with 3CTs (3 3T)
• 3-phase 3-wire network with 2CTs (3 2T)
• 3-phase 3-wire network with 1CT (3 1T)
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