Disconnect the Inverter from Voltage Sources SMA Solar Technology AG
60 SB20_25_30HF-IEN102911 Installation Guide
8 Disconnect the Inverter from Voltage Sources
8.1 Safety
8.2 Disconnect the Inverter from Voltage Sources
1. Disconnect the line circuit breaker and secure against re-connection.
2. If a multi-function relay is connected, switch off the multi-function relay power supply.
3. Remove the Electronic Solar Switch.
4. Using a current probe, ensure that there is no
current to all DC cables.
☑ If there is a current present, check the
installation.
NOTICE!
Electrostatic discharges can damage the inverter.
Internal components of the inverter can be irreparably damaged by static discharge.
• Ground yourself before touching a component.
DANGER!
Danger to life due to high voltages in the inverter.
The inverter operates at high voltages.
• Disconnect the inverter on the AC and DC sides as described below.
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