22 M4M 20 NETWORK ANALYZER USER MANUAL
• 2-phase 3 wire network with 2CTs
• 1-phase 2 wire network with 1CT ok for MID on N4M 20-M
• 3-phase 3-wire 3-CTs + 3VTs
TV3 TV2 TV1
M4M 20-M (MID): In order to ensure antitampering for MID directive, only MID compliant wiring have to be
selected and sealing of terminal block is mandatory.
Wiring diagrams - M4M 20 Rogowski
Below the wiring diagrams for M4M 20 working with Rogowski coils (M4M 20 Rogowski) are shown:
• 3-phase 4-wire network with 3RogCTs
IR1 IR2 IR3 L1 L2 L3 N AUX
• 3-phase 4-wire network with 1RogCT
IR1 IR2 IR3 L1 L2 L3 N AUX
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