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Pricelist: Default EUR pricelist Pricelist
Pricelist: Default EUR pricelist Pricelist
Backup power changeover switch - manual, 3 phases+N, 63A

Backup power changeover switch - manual, 3 phases+N, 63A

Backup power changeover switch – manual, 3-phase+N, 63A. Enables the whole house to be supplied from the battery during a grid outage (HM10/HM15/HM20 only).

Prices for
600.00 €600.00 € 600.00 €incl. 0% VAT (Section 12 (3) German VAT Act), plus shippingNet price. 0% VAT for operators of the PV system (Section 12 (3) German VAT Act), plus 19% VAT for resellers. Plus shipping.
600.00 € incl. VAT, plus shipping
When does 0% VAT apply?

The zero rate applies in Germany if you are the operator of the photovoltaic system and the system has a capacity of no more than 30 kWp or is installed on or near a residential building (Section 12 (3) German VAT Act). In all other cases, for example resale, 19% VAT is added.


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With this changeover switch, your storage system powers the whole house during a power cut. If the grid fails, you flip it by hand in the meter cabinet. It then disconnects all three phases and the neutral conductor from the grid and connects your house to the backup output of the inverter.

Version: manual, 3 phases and neutral, 63 A. Suitable for the HM10-H, HM15 and HM20 systems. The electrician checks on site whether 40 A or 63 A suits your house connection.

The price does not include installation. Installation is carried out by a qualified electrician, at Acada by our trade partners.

How the changeover switch works during a power cut is explained in the article Changeover switch: power for the whole house when the grid fails