The field wiring cable supplies power and protective earth for the ETX-1640x through internal terminal connections. Before performing initial power setup, you must provide a field wiring cable. The cable must meet the requirements in the following table.

Caution Ensure that the field wiring cable preparation and power configuration is performed only by qualified personnel.
Attention Assurez-vous que la préparation du câblage sur site et la configuration de l'alimentation sont effectuées uniquement par du personnel qualifié.
Note High levels of leakage current might be present on the product. Connect the product to the protective earth terminal before connecting to AC power.
Note The facility installation must provide a means for connection to protective earth, and qualified personnel must install a protective earthing conductor from the protective earthing terminal on the product to the protective earth wire in the facility.
Note Only use copper wire to connect the protective earthing terminal of your product to the protective earth wire in the facility.
Table 39. Field Wiring Cable Requirements
Outer diameter of the input power cable 22.2 mm to 32 mm
Ground wiring 2.5 mm2 to 70 mm2 (14 AWG to 2/0 AWG)
Wire strip length 15.7 mm (0.6 in.)
Wiring for L1, L2, L3, and N[1]1 Neutral is applicable only for systems with the RMX-10140-50Y2P power entry panel. 10 mm2 to 35 mm2 (8 AWG to 2 AWG) with M6 ring lugs installed
Minimum insulator temperature rating 90 °C (194 °F)

1 Neutral is applicable only for systems with the RMX-10140-50Y2P power entry panel.