SMA TRIPOWER CORE1 Notice Résumée page 5

SMA Solar Technology AG
DANGER
Danger to life due to electric shock when
live components or DC cables are
touched
When exposed to light, the PV modules generate
high DC voltage which is present in the DC cables.
Touching live DC cables results in death or lethal
injuries due to electric shock.
• Do not touch non-insulated parts or cables.
• Disconnect the product from voltage sources
and ensure it cannot be reconnected before
working on the device.
• Do not disconnect the DC connectors under
load.
• Wear suitable personal protective equipment
for all work on the product.
DANGER
Danger to life due to electric shock from
touching an ungrounded PV module or
array frame
Touching ungrounded PV modules or array frames
results in death or lethal injuries due to electric
shock.
• Connect and ground the frame of the PV
modules, the array frame and the electrically
conductive surfaces so that there is continuous
conduction. Observe the applicable local
regulations.
DANGER
Danger to life due to electric shock when
touching live system components in case
of a ground fault
If a ground fault occurs, parts of the system may still
be live. Touching live parts and cables results in
death or lethal injuries due to electric shock.
• Disconnect the product from voltage sources
and ensure it cannot be reconnected before
working on the device.
• Only touch the cables of the PV modules on
their insulation.
• Do not touch any parts of the substructure or
frame of the PV array.
• Do not connect PV strings with ground faults to
the inverter.
Quick Reference Guide
DANGER
Danger to life due to electric shock in
case of overvoltages and if surge
protection is missing
Overvoltages (e.g., in the event of a flash of
lightning) can be further conducted into the building
and to other connected devices in the same network
via the network cables or other data cables if there
is no surge protection. Touching live parts and
cables results in death or lethal injuries due to
electric shock.
• Ensure that all devices in the same network
are integrated in the existing overvoltage
protection.
• When laying the network cable outdoors,
ensure that there is suitable surge protection at
the network cable transition from the product
outdoors to the network inside the building.
• The Ethernet interface of the product is
classified as "TNV-1" and offers protection
against overvoltages of up to 1.5 kV.
WARNING
Danger to life due to fire and explosion
In rare cases, an explosive gas mixture can be
generated inside the product under fault conditions.
In this state, switching operations can cause a fire
inside the product or explosion. Death or lethal
injuries due to hot or flying debris can result.
• In the event of a fault, do not perform any
direct actions on the product.
• Ensure that unauthorized persons have no
access to the product.
• Do not operate the DC load-break switch on
the inverter in case of an error.
• Disconnect the PV array from the inverter via
an external disconnection device. If there is no
disconnecting device present, wait until no
more DC power is applied to the inverter.
• Disconnect the AC circuit breaker, or keep it
disconnected in case it has already tripped,
and secure it against reconnection.
• Only perform work on the product (e.g.,
troubleshooting, repair work) when wearing
personal protective equipment for handling of
hazardous substances (e.g., safety gloves, eye
and face protection, respiratory protection).
STP50-41-IS-xx-22
2 Safety
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