4 | 10
GRO UNDI NG I NST RUCT I ONS
Etrel INCH DUO charging station needs to be properly
grounded to allow safe use. In the case of malfunction
or breakdown, grounding provides protective measure
to reduce the risk of electric shock.
Multiple grounding system are supported: TN-S, TN-C,
TN-C-S, and TT.
Improper connection of the equipment (grounding
conductor) may result in risk of electric shock. Check
with a qualified electrician or service person if you are in
doubt as to whether the product is properly grounded.
ELECTRICIT Y P ROTEC TION ELEMENT S
Overvoltage protection: The device is a Class 2 appliance
and must be protected with an upstream overvoltage
protection.
Overcurrent protection: Should be installed upstream to
protect power supply cable and the charging device.
Differential protection: Should be installed separately if
not already built in the charger. A dedicated residual
current device (RCD) device must be used according to
applicable regulations.
ENVIRONMENT OPERAT IN G RANGE
The device achieves at least IP 54 level of protection. It
can be used outdoors and indoors if environment meets
following constraints:
• Elevation < 2000 m above sea level.
• Temperature range from -25 °C to +65 °C.
• Non-condensing max. humidity 95%.
EQUIPMENT NEEDE D
• Phillips screwdriver,
• hex screwdriver,
• utility knife,
• crimping pliers for cable end sleeves,
• wire strippers and cable rippers.
