€718.31
% Was: €1,244.35 ¹ (42.27% saved)
- Delivery time:
In stock, delivery time: 3-5 days (varies for international orders)
- Item-No.: 112440
- GTIN: 4262431423032
- Manufacturer-No.: 10012569
- Product-Weight: 13.5 kg
- Shipping info: Paket
enwitec Transfer Switching Device for SMA Sunny Island, 3-phase, without Energy Meter, 10012569
Three-phase automatic transfer switching device for grid-connected and off-grid SMA Sunny Island systems
The enwitec transfer switching device for SMA Sunny Island ensures safe, compliant and reliable switching between grid operation and backup mode. The pre-assembled, ready-to-connect unit enables a nearly uninterrupted power supply during grid outages and provides effective protection for connected loads. Designed for three-phase SMA Sunny Island systems, this version without an energy meter is ideal for residential and commercial backup power installations.
Features:
- Automatic transfer switch for SMA Sunny Island battery inverter systems
- Three-phase design for stable and reliable power supply
- Fast and safe transition between grid and off-grid operation
- Pre-assembled, easy-to-install switchgear unit
- High operational safety with integrated switching and protection components
- Ideal for backup and emergency power setups without energy meter
| Technical Data | |
| System compatibility: | SMA Sunny Island (3-phase systems) |
| Version: | Transfer switch without energy meter |
| Phases: | 3-phase |
| Operating mode: | Automatic switching between grid and off-grid operation |
| Installation type: | Wall-mounted, pre-assembled |
| Operating temperature: | -20 °C to +45 °C |
| Dimensions (H × W × D): | Module-specific, compact design |
| Weight: | Module-specific |
For more detailed information, please refer to the datasheet.

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Safety Instructions:
- Installation by qualified personnel: The installation of a PV storage system must only be carried out by qualified professionals.
- Ensure ventilation: Install the storage system in a well-ventilated area to ensure heat dissipation and prevent the risk of overheating.
- Observe fire safety regulations: Battery storage systems should be installed at a safe distance from flammable materials.
- Ensure accessibility: Install the storage system in an easily accessible location to allow for safe maintenance and emergency shutdown.
- Mechanical safety: Ensure that the battery storage system is securely fastened and protected against tipping.
- Danger from high voltages: Battery storage systems can generate dangerously high voltages. Avoid contact with exposed terminals or wires.
- Observe polarity: Ensure that the terminals are correctly polarized to avoid short circuits and damage.
- Suitable cables and fuses: Use only cables, connectors, and fuses recommended by the manufacturer.
- Grounding: Ensure that the battery and the entire PV system are properly grounded.
- Avoid short circuits: Keep tools, wires, or other conductive objects away from the battery terminals.
- Proper use: Use the battery only for its intended purpose and under the specified conditions.
- Proper disposal: Batteries contain environmentally hazardous substances and must be recycled or disposed of in accordance with applicable regulations for electronic waste.
- Danger from residual charge: Be aware that batteries can retain dangerous residual charges even after being switched off.
- No modifications: Unauthorized alterations, modifications, repairs, and opening of the product are prohibited.