Adapter Cables & Extension Cables for Micro-Inverters (230V / 380V)
These high-quality adapter and extension cables safely connect micro-inverters to the home electrical system
or to other components such as Wieland connectors, T-pieces, or EU Schuko plugs.
Ideal for balcony power plants, wind-PV hybrid systems,
Off-grid systems and plug-and-play grid-tie solutions.
All cables are available immediately from the Wremen (CUX) warehouse and meet the requirements of
for safe power feed-in in accordance with VDE standards.
Available Variants
| Variant | Input | Outlet | Length |
|---|---|---|---|
| Chapter 1 | Betteri BC01 F | Wieland 90° RST20i3 M | 5 m |
| Cab 2 | C14 Power Outlets | Wieland RST20i3 M | 2.5 m |
| Cable 3 | Betteri 5-pin (380V) | Exposed cable end | 2.5 m |
| Chapter 4 | Betteri BC01 F | EU Schuko plug | 5 m |
Applications
- Extension Cables for Micro Inverters (230V / 380V)
- Connecting Balcony Power Plants
- Connection to Wieland power supply outlets
- Wind-PV Hybrid Systems
- Safe power supply via EU Schuko or RST20i3
- Expansion of Existing PV Installations
Product Safety
- Heavy-duty plugs (Betteri / Wieland / C14)
- Secure Locking on the RST20i3
- Suitable for continuous outdoor use
- Cable cross-section suitable for micro-inverters
- Compatible with VDE-compliant feed-in plugs
- Optional: 0% VAT pursuant to Section 12(3) of the German Value-Added Tax Act (UStG) for eligible customers
What’s Included
- 1× adapter cable in the selected version
- Available immediately from the Wremen warehouse
- Optional accessories:
- T-pieces / Bus Connectors for Microinverters
- Wieland RST20i3 Feed-in Plug
- PV Tracker Accessory Kits
FAQ – Frequently Asked Questions
Which micro inverters use which plugs at the 230V output?
AP-Systems Betteri BC01
Betteri BC01 Deichturbinen
Deye Deye LY01
Envertech Betteri BC01
Growatt Betteri BC05
Hoymiles HMS Betteri BC05
Marstek Betteri BC01
Sossen Betteri BC01
Can I use this to extend the life of a balcony power plant?
Yes, Cab 1 and Cab 4 are ideal for that.
Is it permissible to connect using a Schuko outlet?
Generally speaking, no; for balcony power plants, the VDE recommends the Wieland RST20i3.
Alternatively, the Betteri BC01 is also suitable.






