2 Safety
SMA Solar Technology AG
Quick Reference Guide SHPxxx-JP-21-IS-xx-10 7
This document does not replace any regional, state, provincial, federal or national laws, regulations
or standards that apply to the installation, electrical safety and use of the product. SMA Solar
Technology AG assumes no responsibility for the compliance or non-compliance with such laws or
codes in connection with the installation of the product.
The type label must remain permanently attached to the product.
2.2 IMPORTANT SAFETY INSTRUCTIONS
Keep the manual for future reference.
This section contains safety information that must be observed at all times when working.
The product has been designed and tested in accordance with international safety requirements. As
with all electrical or electronical devices, there are residual risks despite careful construction. To
prevent personal injury and property damage and to ensure long-term operation of the product,
read this section carefully and observe all safety information at all times.
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.
• Install external DC load-break switch (e.g., a PV junction box including a load-break switch)
between the inverter and PV array.
• Disconnect the PV array from the inverter via an external DC load-break switch (e.g. via a
PV junction including a load-break switch). Switch off and secure the DC load-break switch
against reconnection.
• Disconnect the product from voltage sources and ensure it cannot be reconnected before
working on the device.
• 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 the frame of the PV modules, the array frame and the electrically conductive
surfaces so that there is continuous conduction.
• To ensure maximum protection for PV systems and persons, ground the PV modules, the
array frame and electrically conductive surfaces separately from the inverter in accordance
with the local standards and directives.
ENGLISH
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