Circutor URBAN M21, Installation Manual

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Terminal block maximum cross-section: 35 mm
2
Do not forget to connect the ground cable to the ground
terminal
Make sure all screws are securely tightened
at 4...5 Nm
L L1
N L2
L3
N
E
Wiring
SINGLE-PHASE CHARGE POINT
• Connect to the 230V~.
THREE-PHASE CHARGE POINT
• Connect to the 400V~.
• If the Power Supply is Single-
Phase, connect L1 and N.
S
Note:
The proper earthing system must be TT or TN-S. The ground loop impedance measurement for
the entire installation must be less than 80 ohms; however, it could be even less if required by national
regulations. At least once a year it is recommended to carry out the verification of the installation
grounding by qualified personnel when the terrain is drier
18
URBAN
Installation Guide