
Digital Overcurrent & Ground Overvoltage & Selective Ground Relay (GDR-AEF01) User's Manual
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Kyongbo Electronics Co., Ltd.
WARNING
• Do not perform any wiring work while the power is on or
the product is in operation.
It may cause an electric shock.
• Must verify the status of the grounding connection before
starting the operation.
Otherwise, it may cause an electric shock, damage, or a fire.
• Do not operate the product with wet hands.
It may cause an electric shock.
• Do not use if the clothing of the cable is damaged.
It may cause an electric shock.
• Do not perform any wiring work when the main cable is
live.
It may cause an electric shock, and a damage or a fire by the
charged voltage of the converter.
• Do not disassemble the product even if the power is not
on, except for wiring or maintenance.
It may cause an electric shock by the charged current in
the product.
• Let the electrical technician to perform wiring, test run,
and maintenance.
Otherwise, it may cause an electric shock or a fire by a wrongful
operation.
• Perform terminal work when cutting a cable.
Otherwise, it may cause an electric shock from the naked part of the
cable.
• Place the terminal cover on the terminal in the back after
the wiring work.
Otherwise, it may cause an electric shock.