GE AF-650 GP Design Manual page 40

Installation at high altitude:
380 - 480 V, unit size 1x, 2x and 3x: At altitudes above 2 km, please contact GE regarding PELV.
380 - 480V, unit size 4x, 5x and 6x: At altitudes above 3 km, please contact GE regarding PELV.
525 - 690 V: At altitudes above 2 km, please contact GE regarding PELV.
Touching the electrical parts may be fatal - even after the equipment has been disconnected from mains.
Also make sure that other voltage inputs have been disconnected, such as load sharing (linkage of DC intermediate circuit), as well as the
motor connection for kinetic back-up.
Before touching any electrical parts, wait at least the amount of time indicated in the Safety Precautions section.
Shorter time is allowed only if indicated on the nameplate for the specific unit.
Leakage Current
The earth leakage current from the frequency converter exceeds 3.5 mA. To ensure that the earth cable has a good mechanical connection
to the earth connection (terminal 95), the cable cross section must be at least 10 mm
Residual Current Device
This product can cause a d.c. current in the protective conductor. Where a residual current device (RCD) is used for protection in case of direct
or indirect contact, only an RCD of Type B is allowed on the supply side of this product. Otherwise, another protective measure shall be applied,
such as separation from the environment by double or reinforced insulation, or isolation from the supply system by a transformer.
Protective earthing of the frequency converter and the use of RCD's must always follow national and local regulations.
AF-650 GP Design Guide
2 or 2 rated earth wires terminated separately.
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