Sofar SOF-ESI-12K-T1 Hybrid Inverter 3-Phase
Product code: ME7123
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:
Payment methods
Instant Payments
You can pay for your order immediately using any available payment method. All payment data is encrypted and secured by an SSL certificate.
- Credit & Debit Cards – Visa and Mastercard, processed securely by Stripe.
- Apple Pay – convenient digital wallet checkout in one tap on Apple devices.
- Google Pay – seamless payment with stored cards in Google Wallet.
- BLIK – 6-digit code authorization (available for Polish transactions).
- PayPo – buy now, pay in 30 days or in flexible installments.
- Klarna – buy now, pay in 30 days without extra fees.
- Instant Bank Transfer – automated bank transfer through PayU.
- PayPal – secure multi-currency payment directly from your PayPal account.
Traditional Payments
- Bank Transfer – direct wire transfer to our bank account. Proforma invoice and details are sent by email.
- Cash on Delivery – pay the courier upon package delivery (maximum 10,000 PLN per order).
Installments
PayU Installments – split your order into manageable monthly payments with an instant online application process.
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-12K-T1 hybrid inverter is a three-phase hybrid device enabling on-grid and off-grid operation with fast switching (10 ms). Designed for energy storage applications, it supports 3 MPPTs and 100% unbalanced three-phase loads, and operates quietly without fans due to natural cooling.
Manufacturer: SOFARSOLAR Co., Ltd. (SOFAR). Technical information is sourced from the product sheet published by SOFAR; the documentation is dated June 2025. SOFAR provides a series of inverters ESI-5-12K-T1 covering power variants; this description refers to the ESI-12K-T1 variant.
Electrical Parameters
- Output Power (Rated): 12 kW
- Max. Discharging Power (Battery Discharging): 10 kW
- Recommended Max. PV Power: 24 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: 98.2% (max.), European efficiency: 97.5%
- Power Factor: 0.8 lagging – 0.8 leading; THDv (at linear load) <3%
Mechanical and Environmental Parameters
- Protection Class (IP): IP66
- Topology: non-isolation (no galvanic separation)
- Protection Class: Class I
- Dimensions (W×H×D): 708 × 440 × 170 mm
- Weight: 30 kg
- Cooling Mode: natural (fanless)
- Operating Temperature Range: -30°C to +60°C (power reduction 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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