2 Safety
SMA Solar Technology AG
Operating Manual STPx0-3SE-40-BE-en-10 11
DANGER
Danger to life due to electric shock when live components or DC cables are
touched when working on the battery
The DC cables connected to the battery can be energized even when the battery is disconnected
if the inverter has not been disconnected. Touching live DC cables results in death or serious
injury due to electric shock.
• Prior to performing any work on the battery, disconnect the inverter from all voltage sources
as described in this document.
DANGER
Danger to life due to electric shock when live components or DC cables are
touched
The DC cables connected to a battery or a PV module may be live. Touching live DC cables
results in death or serious injury due to electric shock.
• Disconnect the product and battery from voltage sources and make sure it cannot be
reconnected before working on the device.
• Observe all safety information of the battery manufacturer.
• Do not touch non-insulated parts or cables.
• 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 when live components are touched on
opening the product
High voltages are present in the live parts and cables inside the product during operation.
Touching live parts and cables results in death or lethal injuries due to electric shock.
• Do not open 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.
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