{"product_id":"sungrow-sg33cx-p2-33kw-commercial-3-phase-inverter","title":"Sungrow SG33CX-P2 33kW Commercial 3-Phase PV Inverter","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.6;\"\u003e \u003ch1 style=\"text-align: center;\"\u003eSungrow SG33CX-P2 33 kW Commercial 3‑Phase PV Inverter\u003c\/h1\u003e \u003c!-- B. Key value proposition --\u003e \u003cul\u003e \u003cli\u003e33 kW three‑phase string inverter for medium and large commercial PV systems, with up to 46.2 kWp DC input.\u003c\/li\u003e \u003cli\u003eHigh efficiency up to 98.5% to maximise energy yield from rooftop or ground‑mount arrays.\u003c\/li\u003e \u003cli\u003eRobust IP66, C5‑rated enclosure and integrated surge protection for demanding UK industrial and coastal sites.\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- C. Brief Description --\u003e \u003cp\u003eThe Sungrow SG33CX‑P2 is a 33 kW three‑phase string inverter designed for commercial and industrial solar installations that need reliable, efficient power conversion with straightforward operation and maintenance. It supports up to 46.2 kWp of PV, with three independent MPPTs and built‑in protection features suitable for commercial installations and smaller solar farms. Energian supplies this inverter with UK‑based technical support and can connect you with trusted installation partners where needed.\u003c\/p\u003e \u003c!-- D. Key features --\u003e \u003ch2\u003eMain features and benefits\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHigh yield with max. 98.5% efficiency and wide 160–1000 V MPPT range for flexible string design.\u003c\/li\u003e \u003cli\u003eThree independent MPPT inputs, two strings per MPPT, to handle different roof orientations and partial shading.\u003c\/li\u003e \u003cli\u003eIntegrated DC Type I+II and AC Type II surge protection, AFCI and built‑in DC switch for safer operation on commercial sites.\u003c\/li\u003e \u003cli\u003eSmart O\u0026amp;M functions including IV curve diagnosis, grid fault record and PV string current monitoring to support remote diagnostics.\u003c\/li\u003e \u003cli\u003eIP66, C5 corrosion‑resistant, transformerless design with smart forced‑air cooling, suitable for outdoor mounting up to 4000 m altitude.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eTypical applications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eRooftop PV on warehouses, logistics hubs and distribution centres.\u003c\/li\u003e \u003cli\u003eCommercial rooftops for retail parks, offices and light industrial buildings.\u003c\/li\u003e \u003cli\u003eGround‑mount arrays for small solar farms, business parks and agricultural sites.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eFor larger projects, multiple SG33CX‑P2 inverters can be combined within a three‑phase distribution system, subject to appropriate electrical design and local DNO requirements. We recommend using experienced commercial solar installers; Energian can introduce trusted partners on request.\u003c\/p\u003e \u003c!-- E. Technical specifications --\u003e \u003ch2\u003eTechnical specifications \u003c\/h2\u003e \u003ch3\u003eInput (DC)\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRecommended max. PV input power: 46.2 kWp.\u003c\/li\u003e \u003cli\u003eMax. PV input voltage: 1100 V.\u003c\/li\u003e \u003cli\u003eMin. PV input voltage \/ start‑up input voltage: 160 V \/ 200 V.\u003c\/li\u003e \u003cli\u003eRated PV input voltage: 600 V.\u003c\/li\u003e \u003cli\u003eMPP voltage range: 160 V – 1000 V.\u003c\/li\u003e \u003cli\u003eNumber of independent MPPT inputs: 3.\u003c\/li\u003e \u003cli\u003eNumber of PV strings per MPPT: 2.\u003c\/li\u003e \u003cli\u003eMax. PV input current: 90 A (30 A × 3).\u003c\/li\u003e \u003cli\u003eMax. DC short‑circuit current: 120 A (40 A × 3).\u003c\/li\u003e \u003cli\u003eMax. current for DC connector: 20 A.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eOutput (AC)\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRated AC output power: 33 kW.\u003c\/li\u003e \u003cli\u003eMax. AC output apparent power: 36.3 kVA.\u003c\/li\u003e \u003cli\u003eMax. AC output current: 55.2 A.\u003c\/li\u003e \u003cli\u003eRated AC output current (at 230 V): 47.8 A.\u003c\/li\u003e \u003cli\u003eRated AC voltage: 3 \/ N \/ PE, 220 \/ 380 V, 230 \/ 400 V.\u003c\/li\u003e \u003cli\u003eAC voltage range: 312 – 480 V.\u003c\/li\u003e \u003cli\u003eRated grid frequency: 50 Hz \/ 60 Hz.\u003c\/li\u003e \u003cli\u003eGrid frequency range: 45 – 55 Hz \/ 55 – 65 Hz.\u003c\/li\u003e \u003cli\u003eTotal harmonic distortion (THD): \u0026lt; 3 % at rated power.\u003c\/li\u003e \u003cli\u003ePower factor at rated power \/ adjustable power factor: \u0026gt; 0.99 \/ 0.8 leading to 0.8 lagging.\u003c\/li\u003e \u003cli\u003eFeed‑in phases \/ connection phases: 3 \/ 3‑N‑PE.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eEfficiency\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMax. efficiency: 98.5 %. European efficiency: 98.3 %.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProtection\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGrid monitoring: Yes.\u003c\/li\u003e \u003cli\u003eDC reverse connection protection: Yes.\u003c\/li\u003e \u003cli\u003eAC short‑circuit protection: Yes.\u003c\/li\u003e \u003cli\u003eLeakage current protection: Yes.\u003c\/li\u003e \u003cli\u003eSurge protection: DC Type I+II \/ AC Type II.\u003c\/li\u003e \u003cli\u003eGround fault monitoring: Yes.\u003c\/li\u003e \u003cli\u003eIntegrated DC switch: Yes.\u003c\/li\u003e \u003cli\u003ePV string current monitoring: Yes.\u003c\/li\u003e \u003cli\u003eArc fault circuit interrupter (AFCI): Yes.\u003c\/li\u003e \u003cli\u003ePID recovery function: Yes.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eGeneral data\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDimensions (W × H × D): 645 × 575 × 245 mm.\u003c\/li\u003e \u003cli\u003eMounting method: Wall‑mounting bracket.\u003c\/li\u003e \u003cli\u003eWeight: 38 kg.\u003c\/li\u003e \u003cli\u003eTopology: Transformerless.\u003c\/li\u003e \u003cli\u003eDegree of protection: IP66.\u003c\/li\u003e \u003cli\u003eCorrosion classification: C5.\u003c\/li\u003e \u003cli\u003eNight power consumption: \u0026lt; 5 W.\u003c\/li\u003e \u003cli\u003eOperating ambient temperature range: −30 to 60 °C.\u003c\/li\u003e \u003cli\u003eAllowable relative humidity range (non‑condensing): 0 – 100 %.\u003c\/li\u003e \u003cli\u003eCooling method: Smart forced‑air cooling.\u003c\/li\u003e \u003cli\u003eMax. operating altitude: 4000 m.\u003c\/li\u003e \u003cli\u003eDisplay: LED, Bluetooth + App.\u003c\/li\u003e \u003cli\u003eCompatible optimiser: SP600S (optional).\u003c\/li\u003e \u003cli\u003eCommunication: RS485; optional WLAN, Ethernet.\u003c\/li\u003e \u003cli\u003eDC connection type: EVO2 (max. 6 mm²).\u003c\/li\u003e \u003cli\u003eAC connection type: OT terminal (16 – 35 mm²).\u003c\/li\u003e \u003cli\u003eAC cable specification: Outside diameter 18 – 38 mm.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eGrid compliance and support\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGrid compliance: IEC 62109, IEC 61727, IEC 62116, VDE‑AR‑N 4105:2018, IEC 61000‑6‑3, EN 50549‑1, CEI 0‑21 2019, CEI 0‑16 2019, VDE 0126‑1‑1\/A1 VFR 2019, UTE C15‑712‑1:2013, UNE 206007‑1\/RD 1699, UNE 217002, G99.\u003c\/li\u003e \u003cli\u003eGrid support functions: Q at night, LVRT, HVRT, active and reactive power control, power ramp rate control.\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- F. Shipping and support --\u003e \u003ch2\u003eShipping information\u003c\/h2\u003e \u003cp\u003eShipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If a shipping rate is not shown at checkout, please contact us on +44 2080640335 or \u003ca href=\"mailto:info@energian.co.uk\"\u003einfo@energian.co.uk\u003c\/a\u003e for a tailored quote.\u003c\/p\u003e \u003ch2\u003eUK expert support\u003c\/h2\u003e \u003cp\u003eEnergian provides UK‑based technical support for the Sungrow SG33CX‑P2, including help with system design, product selection and commissioning queries. For installations, we recommend working with qualified solar PV contractors; we can introduce trusted partners experienced with commercial three‑phase systems.\u003c\/p\u003e \u003cp\u003eIf you have any questions before or after purchase, contact us via phone, email or live chat, or visit our office for an in‑person consultation.\u003c\/p\u003e \u003c!-- Documents --\u003e \u003ch2\u003eDocuments available for download\u003c\/h2\u003e \u003cul\u003e \u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/sungrow_datasheet_sg25-33cx-p2.pdf?v=1777628616\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eSungrow SG25\/30\/33CX‑P2 datasheet (PDF)\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"color: rgb(43, 0, 255);\"\u003e \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/sungrow_installation_guide-sg30_33_40_50cx.pdf?v=1777628814\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eSungrow SG25\/30\/33CX‑P2 installation manual (PDF)\u003c\/a\u003e\u003c\/span\u003e\u003c!-- A. Product Title\/Heading --\u003e \u003c\/li\u003e \u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/sungrow_user_manual-sg30_33_40_50cx_v14.pdf?v=1777629352\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eSungrow SG25\/30\/33CX‑P2 user manual (PDF)\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Sungrow","offers":[{"title":"Default Title","offer_id":54909091512659,"sku":"SG33CX-P2","price":755.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/Sungrow33kW-1.webp?v=1789038200","url":"https:\/\/progradewarehouse.com\/products\/sungrow-sg33cx-p2-33kw-commercial-3-phase-inverter","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}