Sofar SOF-ESI-5K-T1 Hybrid Inverter 3-Phase
Product code: ME7126
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping & Returns
Master Energy | Master Investment Sp. z o.o.
1. Right of Return (14 Days)
Individual consumers (B2C) have the right to withdraw from the contract and return purchased items within 14 calendar days from delivery without stating a reason.
2. How to submit a return or claim?
- 📧 E-mail: pv@masterenergy.eu
- 📞 Phone: +48 884 570 201
- 🏢 Registered Address: Master Investment Sp. z o.o., Rondo ONZ 1, 00-124 Warsaw, Poland (VAT ID: PL7010345632)
3. Complete terms and conditions
Detailed freight information, pallet shipping methods, and B2B commercial terms are available at our dedicated information page:
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Traditional Payments
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Installments
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Ask about the product
Administratorem danych osobowych jest Master Investment sp. z o.o.. Przetwarzamy je w celu przesłania odpowiedzi na zapytanie. Więcej informacji dotyczących przetwarzania danych osobowych znajduje się w polityce prywatności.
Description
The SOF-ESI-5K-T1 hybrid inverter is a three-phase hybrid inverter designed for PV installations with energy storage, offering 3 independent MPPTs and supporting 100% unbalanced three-phase loads. The device ensures quiet operation thanks to natural cooling and fast on/off-grid switching (10 ms).
Manufacturer: SOFARSOLAR Co., Ltd. (SOFAR). Technical data is sourced from the SOFAR product sheet published in June 2025; the description refers to the ESI-5K-T1 variant from the ESI-5-12K-T1 series.
Electrical Parameters
- Output Power (Rated): 5 kW
- Max. Discharging Power (Battery Discharging): 5 kW
- Recommended Max. PV Power: 10 kWp
- Max. PV Input Voltage: 1000 V DC
- MPP Range: 160–950 V DC, number of MPPTs: 3
- Battery Voltage: 350–435 V DC
- Max. Battery Charging Power: 10 kW
- On/Off-grid Switching Time: 10 ms
- Max. Efficiency: 98.0% (max.), European efficiency: 97.0%
- THDv: <3% (at linear load)
Mechanical and Environmental Parameters
- Protection Class (IP): IP66
- Topology: non-isolation
- Protection Class: Class I
- Dimensions (W×H×D): 708 × 440 × 170 mm
- Weight: 30 kg
- Cooling Mode: natural
- Operating Temperature Range: -30°C to +60°C (derating above +45°C)
- Max. Installation Height: 4000 m (derating above 2000 m)
- Installation: wall-mounted
- Communication and Display: RS485, optionally Wi‑Fi/4G/LAN; LCD display + app
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