Warning Isolation of the Battery Inverter AC Isolator will not De-Energise the Battery

Warning Isolation of the Battery Inverter AC Isolator will not De-Energise the Battery

SPL331
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Warning Battery Inverter AC Isolation Will Not De-Energise Battery

This warning label advises electricians and service personnel that isolating the battery inverter AC isolator will not necessarily de-energise the battery. It is designed for battery energy storage and hybrid inverter installations where stored DC energy remains present independently of the AC connection.

For battery energy storage systems

Suitable for BESS installations, hybrid inverters, battery cabinets, switchboards and local AC isolation points. Position the warning where personnel can see it before relying on the AC isolator as part of a shutdown or service procedure.

AC isolation is only one part of the system

Turning off the inverter AC isolator can disconnect the inverter from an AC source or load, but the battery can still contain substantial stored energy and may continue energising internal or connected DC circuits.

Follow the complete battery shutdown procedure

The correct isolation sequence depends on the battery, inverter, DC switching arrangement and system design. Use this label alongside the manufacturer's instructions, commissioning documentation and the installation-specific shutdown procedure.

Sign Portal manufactures battery and electrical warning labels in-house in Australia.

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