NORDAC LINK (SK 155E-FDS / SK 175E-FDS) – Users Manual for Motor Starters as Field Distributors
14 BU 0155 en-3520
1.4 Safety, installation and application information
Before working on or with the device, please read the following safety instructions extremely carefully.
Please pay attention to all other information from the device manual.
Non-compliance can result in serious or fatal injuries and damage to the device or its surroundings.
These safety instructions must be kept in a safe place!
1. General
Do not use defective devices or devices with defective or damaged housings or missing covers (e.g.
blind plugs). Otherwise, there is a risk of serious injury or death from electric shock.
Unauthorised removal of covers, improper use, incorrect installation or operation causes a risk of
serious personal injury or material damage.
During operation, depending on their protection class, devices may have live bare components as well
as hot surfaces.
The device operates with a dangerous voltage. Dangerous voltage may be present at the supply lines,
contact strips and PCBs of all connecting terminals (e.g. mains input, motor connection), even if the
device is not working or the motor is not rotating (e.g. caused by electronic disabling, jamming of the
drive or a short circuit at the output terminals).
The device is not equipped with a mains switch and is therefore always live when connected to the
power supply. Voltages may therefore be connected to a connected motor at standstill. An optional
mains connection outlet is also at mains voltage.
Even if the drive unit has been disconnected from the mains, a connected motor may rotate and
possibly generate a dangerous voltage.
If you come into contact with dangerous voltage such as this, there is a risk of an electric shock, which
can lead to serious or fatal injuries.
Power plug connectors must not be pulled out when they are connected to the power supply. Failure
to comply with this may cause arcing, which in addition to the risk of injury, also results in a risk of
damage or destruction of the device.
The fact that the status LED or other indicators are not illuminated does not indicate that the device
has been disconnected from the mains and is without voltage.
Metal components and the housing of power plug connectors may heat up to temperatures of more
than 70°C.
Touching these parts can result in local burns to the body parts concerned (cooling times and
clearance from neighbouring components must be complied with).
All work on the device, e.g. transportation, installation, commissioning and maintenance work must be
carried out by qualified experts (observe IEC 364 or CENELEC HD 384 or DIN VDE 0100 and
IEC 664 or DIN VDE 0110 and national accident prevention regulations). In particular, the general and
regional installation and safety regulations for work on high voltage systems (e.g. VDE) must be
complied with as must the regulations concerning correct use of tools and the use of personal
protection equipment.
During all work on the device, take care that no foreign bodies, loose parts, moisture or dust enter or
remain in the device (risk of short circuit, fire and corrosion).
Further information can be found in this documentation.
2. Qualified experts
For the purposes of these basic safety instructions, qualified personnel are persons who are familiar
with the assembly, installation, commissioning and operation of this product and who have the
relevant qualifications for their work.
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