Three-Phase Inverter Azzurro 255KTL-HV 255kW IP66 12 MPPT 1500V
Modelo: 255KTL-HV- Sku: AZZUINV020
- Vendor: Azzurro
Specifications
Product Description
The Azzurro Three-Phase Inverter 255KTL-HV 255kW IP66 12 MPPT 1500V is an industrial string inverter for grid connection designed for large commercial rooftops, carports, and distributed plants. Its 1500 Vdc platform and 12 independent MPPT allow the generator to be segmented into multiple zones with different orientations or shading, reducing mismatch losses and maximizing annual yield. With IP66 protection rating, controlled-speed forced ventilation, and advanced safety features such as AFCI, this unit is prepared to operate outdoors with high availability and low operating cost.
Main Features
- Nominal power 255 kW with three-phase 800 Vac output (3F/PE); high performance with max. efficiency ≈ 99%.
- 12 independent MPPT with up to 2 strings per MPPT (24 strings total) for flexible design.
- Platform of 1500 Vdc: wide MPPT window (≈ 500–1500 Vdc) and typical full load 800–1300 Vdc.
- Professional safety: AFCI (arc detection and interruption), string monitoring, and RCMU.
- Integrated protections: DC isolator, type 2 surge arresters on DC/AC, anti-islanding, and PID recovery.
- Local and remote connectivity: RS485/USB/Bluetooth as standard; Wi-Fi/4G/Ethernet optional with portal/app.
Advantages or Benefits
- Maximum design flexibility: the 12 MPPT allow the PV field to be divided by zones (E/W, different tilts, partial shading) while maintaining the optimal point in each segment.
- Superior production and ROI: conversion efficiency close to 99% and MPPT tracking > 99.9% to extract more energy throughout the year.
- Safety and continuity: AFCI and internal protections reduce fire and failure risks, minimizing downtime and corrective maintenance.
- Robust outdoor operation: IP66 enclosure, wide thermal range, and intelligent ventilation maintain performance in demanding climates.
- Total injection control: adjustable active power 0–100%, adjustable power factor (±0.8), and zero-export via external meter to comply with regulations.
- Efficient O&M: string-level diagnostics, detailed logs, alarms, and remote updates from the portal.
Purpose or Applications
This inverter is designed for large-scale photovoltaic installations in commercial and industrial environments: logistics warehouses, shopping center rooftops, agri-food operations, solar car parks, and distributed ground-mounted plants. Thanks to its 1500 Vdc platform, it reduces string currents, wiring losses, and required cable sections, optimizing CAPEX and OPEX. The Azzurro Three-Phase Inverter 255KTL-HV 255kW IP66 12 MPPT 1500V is also suitable for projects with advanced metering requirements, export control, and centralized monitoring.
Technical Specifications
| Power | 255 kW AC (max. 255 kVA) |
| Nominal voltage | 800 Vac (3F/PE), 50/60 Hz |
| Format | Industrial · IP66 · 1500 Vdc · 12 MPPT (up to 24 strings) |
| MPPT window | ≈ 500–1500 Vdc (full load 800–1300 Vdc) |
| Max. DC voltage | 1500 Vdc · Start ≈ 550 V · Nominal Vdc ≈ 1160 V |
| Current/MPPT | 30 A max. (50 A absolute) · Power/MPPT up to 24 kW |
| Efficiency | Max. ≈ 99.0 % · EU ≈ 98.7 % · MPPT > 99.9 % |
| Protections | AFCI, RCMU, anti-islanding, GFD, SPD T2 DC/AC, DC isolator, PID recovery |
| Communications | RS485/USB/BT (Wi-Fi/4G/Ethernet optional) · Portal/App |
| Environment | −30…+60 °C (derating > ~35–45 °C) · Altitude ≤ 5000 m · < 60 dB @1 m |
| Dimensions / Weight | ≈ 714 × 1101 × 368 mm / ≈ 100 kg |
Compatibilities
This product is compatible with mono, poly, PERC, and bifacial PV modules (glass-glass or backsheet) as long as the Voc, Isc, and MPPT window limits are respected. It integrates export control via an external bidirectional meter connected to the dedicated port and communicates with monitoring platforms via RS485/BT (Wi-Fi/4G/Ethernet optional). For a complete installation, a protection panel with type 2 SPD on DC/AC, string fuses if required, and grounding and cable sections according to local regulations are recommended.
Azzurro Three-Phase Inverter 255KTL-HV 255kW IP66 12 MPPT 1500V is a professional solution for large-scale photovoltaic projects seeking maximum efficiency, advanced safety, and reliable, monitored operation throughout the plant’s lifetime.
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Three-Phase Inverter Azzurro 255KTL-HV 255kW IP66 12 MPPT 1500V





