Opening and closing SMA Solar Technology AG
60 SB30TL_40TL_50TL-IA-IEN120231 Installation Guide
7 Opening and closing
7.1 Safety
DANGER!
Danger to life due to high voltages in the inverter.
Observe the following points before opening the inverter:
• Disconnect the line circuit breaker and secure against re-connection.
• If it is connected, switch off the power supply to the multifunction relay and prevent it
from switching back on.
DANGER!
Risk of lethal electric shock.
If the DC plug connectors are pulled out without first disconnecting the Electronic Solar
Switch, a dangerous electric arc can occur.
• Remove the Electronic Solar Switch first.
• Then open the lid and disconnect the DC
connectors.
NOTICE!
Damage to the inverter through electrostatic discharges.
Internal components of the inverter can be irreparably damaged by electrostatic
discharge.
• Ground yourself before you touch a component.
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