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The ATESS Delta US standard 220V 50KW hybrid is a high-performance energy solution designed for commercial, industrial, and large residential applications that demand stable, efficient, and scalable power. This cutting-edge system ensures maximum uptime, flexible energy management, and seamless integration with solar, battery storage, and backup generators. With its robust engineering and smart control capabilities, it delivers a future-ready approach to managing energy consumption. The complete product name, ATESS Delta US standard 220V 50KW hybrid inverter (included tranformer) - ATESS HPS50-US-220D, represents a powerful and reliable inverter designed to meet US electrical standards and deliver strong results in real-world environments.
The HPS50-US-220Y(D) is an all-in-one hybrid inverter for commercial sites that integrates PV, battery, grid, diesel generator, and loads. It supports parallel up to 8 units and provides seamless on/off-grid transfer ≤ 10 ms. [ATESS datasheet]
| AC (on-grid) | 50 kW / 50 kVA, 220 V wye, 131.3 A; PF 0.8 lag–0.8 lead; THDi <3% |
|---|---|
| AC (off-grid) | 50 kW / 50 kVA; THDu ≤2% (linear); overload 110% 10 min / 120% 1 min |
| PV | Max 55 kWp; MPPT 480–800 Vdc; Voc max 1000 Vdc; PV Imax 104.2 A (Isc 130.2 A) |
| Battery | 400–600 Vdc (full-load 400–600 Vdc); charge/discharge 50 kW, 125 A |
| Transfer time | ≤ 10 ms (automatic) |
| Size / weight | 950 × 1860 × 750 mm; ≈590 kg (≈1300.7 lb) |
| Notes | Derating by service voltage (190/208/220/240 V wye or high-leg delta); see datasheet curve |
All values per ATESS official datasheet (14-Apr-2025) and product page.
The ATESS HPS50-US-220D hybrid inverter is engineered to optimize performance across various energy sources. It offers stable 220V output, making it ideal for businesses and facilities seeking transition to hybrid energy without compromising safety or operational performance. Featuring high conversion efficiency, intuitive control interfaces, and enhanced safety protocols, it ensures energy is used as efficiently as possible.
This system supports solar integration, grid power blending, generator compatibility, and battery storage management—creating a versatile energy network that adapts to changing loads. Whether used for peak shaving, backup power, or full hybrid operation, the ATESS Delta US standard 220V 50KW hybrid delivers reliable performance under demanding conditions.
The 50KW rating supports large-scale operations including warehouses, manufacturing plants, farms, data centers, and multi-unit residential buildings. The inverter’s robust power handling ensures stable voltage and efficient energy distribution.
It seamlessly integrates multiple energy sources, automatically selecting the optimal power route. This allows businesses to reduce dependency on grid electricity, lower operational costs, and maintain stable energy flow during outages.
Through built-in smart control features, users can view real-time system data, manage battery charging priorities, monitor solar input, and optimize performance. This makes the ATESS Delta US standard 220V 50KW hybrid a powerful choice for environments requiring intelligent energy management.
One of the greatest advantages of the ATESS Delta US standard 220V 50KW hybrid inverter (included tranformer) - ATESS HPS50-US-220D is that it comes with a matched transformer. This ensures perfect compatibility with US electrical standards, stable voltage output, and safe long-term operation.
The inverter is equipped with multiple layers of safety features including overload protection, overvoltage protection, short-circuit safeguards, and advanced thermal management, ensuring long-term reliability.
Choosing the ATESS Delta 50KW hybrid inverter means investing in long-term stability, resilience, and operational cost savings. Its powerful hybrid capability reduces reliance on grid energy, enabling businesses to maximize solar usage and optimize stored power. The system’s advanced engineering helps avoid downtime, making it essential for businesses where continuous operation is critical.
Additionally, the integrated transformer simplifies installation and ensures compliance with US electrical requirements, allowing smooth deployment in various energy environments.
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