LEGRAND NUMERIC HPi 33 EVO User Manual page 11

Terminal sequence from left to right: Input phase A(L1), input phase B(L2), input phase
C(L3), input Neutral line, output phase A(L1), output phase B(L2), output phase C(L3), output
Neutral line, battery positive, battery Neutral line, battery negative. There are 3 connectors of GROUND
under the terminal block.
Choose appropriate power cable. (Refer to the table above) and pay attention to the diameter of the connection
terminal of the cable that should be greater than or equal to that of the connection poles;
If the load equipment is not ready to accept power on the arrival of the commissioning engineer, then ensure that
the system output cables are safely isolated at their ends
Connect the safety earth and any necessary bonding earth cables to the copper earth screw located on the floor of
the equipment below the power connections. All cabinets in the UPS must be grounded properly.
WARNING!
CAUTION!
The earthing and neutral bonding arrangement must be
in accordance with local and national codes of practice.
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