# Inverter SUNGROW SG33CX 33 kW 3-phase with 3 MPPT inputs

**URL:** https://aio.lv/en/product--sungrow-sg33cx--5096990
**Data updated:** 2025-12-30 05:57 (EET)
**Category:** Power Inverters
**Manufacturer:** SUNGROW
**Manufacturer code:** SG33CX
**EAN:** 9990000820221
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2 287.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 1 890.49 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sungrow-sg33cx--5096990

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

SUNGROW SG33CX is a 33 kW three-phase inverter designed for photovoltaic systems. It features three MPPT inputs for optimized maximum power point tracking across multiple string layouts. Intended for commercial and large residential installations, it manages DC-to-AC conversion and grid connection, improving energy yield and enabling reliable, centralized inverter operation.

## Long description

SUNGROW SG33CX is a three-phase grid-tied inverter with 33 kW nominal AC power and three independent MPPT inputs. It is designed for commercial and large residential photovoltaic installations and manages DC-to-AC conversion, grid connection and advanced grid support functions. The inverter supports wide MPP voltage ranges and high input voltages, includes protection features and communication options for monitoring.
Advantages
The SG33CX provides high conversion efficiency (maximum 98.60%, European efficiency 98.30%) and flexible MPPT configuration with three independent inputs and up to two PV strings per MPPT. It accepts a wide MPP voltage range (200–1000 V) with a rated input voltage of 585 V and a maximum PV input voltage of 1100 V, supports robust protection features (DC reverse connection, AC short-circuit, leakage and overvoltage protection) and offers IP66 protection for outdoor installation. Integrated monitoring and communication options include LED display, Bluetooth + app, RS485 and optional Wi‑Fi or Ethernet.
Suitable for
Commercial rooftop PV systems
Large residential solar installations
Ground‑mounted PV arrays with multiple string layouts
Key specifications
AC output power: 36.3 kVA @ 40 °C (33 kVA @ 45 °C)
Rated AC voltage / connection: 3 / N / PE, 230 / 400 V
Max. AC output current: 55.2 A
Max. efficiency: 98.60%; European efficiency: 98.30%
Max. PV input voltage: 1100 V; MPP voltage range: 200 V – 1000 V; MPP for nominal power: 550–850 V
No. of independent MPP inputs: 3; Max. PV strings per MPPT: 2
Max. PV input current: 78 A; Max. DC short-circuit current: 120 A
Protection: DC reverse connection, AC short‑circuit, leakage current protection, DC/AC Type II overvoltage
Degree of protection: IP66; Operating temperature: -30 °C to 60 °C (derating \>45 °C)
Dimensions (W×H×D): 702 × 595 × 310 mm; Weight: 50 kg
Night consumption: \< 2 W; Display: LED, Bluetooth + APP
Communication: RS485; Optional: Wi‑Fi, Ethernet
DC connection: MC4 (max. 6 mm²); AC connection: OT or DT terminal (max. 70 mm²)
Standards / grid compliance: IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683 and regional standards (see product data)
How to use
Install the SUNGROW SG33CX according to local electrical codes and the manufacturer’s installation manual. Connect PV strings to the MC4 DC inputs (observe polarity and maximum current limits), make AC connections to the appropriate OT/DT terminals and configure communication (RS485 or optional Wi‑Fi/Ethernet) for monitoring. Ensure correct earthing and enable required grid support settings such as power factor and ramp-rate control. For high-altitude or high-temperature sites follow derating guidelines.
Usage recommendations
For optimal performance, locate the inverter in a well-ventilated area protected from direct water ingress despite its IP66 rating, avoid excessive ambient temperatures above 45 °C to prevent derating, and design PV strings to keep MPP voltage within the 550–850 V nominal range where possible. Use monitoring tools via Bluetooth app or RS485/Ethernet to track production and set grid support parameters according to local grid codes.

## FAQ

### How much does the Inverter SUNGROW SG33CX 33 kW cost, and is it available for purchase?

The price is 2,287.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Inverter SUNGROW SG33CX 33 kW be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All SUNGROW products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized SUNGROW service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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