About This Product

Sigenergy 50kW 3 Phase C&I Hybrid Solar Inverter 4 MPPT IP66 is a three-phase commercial hybrid inverter designed for larger solar installations where battery integration may be required. It provides 50kW nominal AC output and supports up to 100kWp of PV input, making it suitable for business rooftops, light industrial sites and larger energy systems. The inverter is part of Sigenergy’s Sigen commercial range and is designed to work with compatible SigenStack battery components.

Who This Product Suits

Sigenergy 50kW 3 Phase C&I Hybrid Solar Inverter 4 MPPT IP66 suits commercial and industrial solar projects that need a battery-ready three-phase inverter with flexible string design. It is a good fit for sites with multiple roof orientations, split arrays or future storage plans. It is best suited to qualified solar installers designing systems for businesses, warehouses, workshops, farms, offices and other three-phase premises.

Specifications Explained

Sigenergy 50kW 3 Phase C&I Hybrid Solar Inverter 4 MPPT IP66 includes four independent MPPTs, with two PV strings per MPPT, giving installers flexibility when laying out arrays across different roof faces. The PV input supports up to 100kWp, with a maximum DC input voltage of 1100V and an MPPT operating range of 160V to 1000V. On the AC side, it provides 50kW nominal output, supports 380V, 400V and 480V three-phase connections, and has a maximum efficiency of 98.3%. It is compatible with SigenStack BAT 12.0 battery modules using the appropriate Sigenergy battery controller, with system configuration support from 4 to 21 battery modules. Protection features include DC reverse polarity protection, insulation monitoring, residual current monitoring, arc fault circuit interruption, AC overcurrent and overvoltage protection, Type II DC and AC surge protection, and anti-islanding protection. Communication options include WLAN, Fast Ethernet, RS485 and Sigen CommMod mobile connectivity.

Summary

Sigenergy 50kW 3 Phase C&I Hybrid Solar Inverter 4 MPPT IP66 is a practical commercial hybrid inverter for three-phase solar systems that may need battery storage now or later. Its 50kW output, 100kWp PV input capacity, four MPPT design and SigenStack battery compatibility make it a strong option for larger business installations. The IP66 rating and built-in electrical protections also make it suitable for demanding outdoor commercial environments when installed by a licensed professional.

Further Information From The Manufacturer

The Sigenergy 50kW 3 Phase C&I Hybrid Solar Inverter (Sigen PV 50M1-HYA-AU) is a powerful and flexible hybrid inverter designed for commercial and industrial solar systems that require both high performance and future-ready energy storage capability. Combining advanced safety features, high efficiency, and battery integration, this inverter is an ideal solution for mid-scale commercial solar installations looking to maximise energy independence.

With a 50kW output capacity, the inverter delivers reliable power for commercial solar systems while maintaining excellent conversion efficiency of up to 98.6% at 400V and 98.8% at 480V. Designed as a battery-ready hybrid solution, it seamlessly integrates with Sigenergy SigenStack BAT 12.0 battery modules, supporting systems with 4 to 21 battery modules for scalable energy storage.

The inverter supports parallel operation of multiple units without requiring an external data logger, making it easy to expand system capacity while reducing additional hardware costs. Its lightweight and compact design also simplifies transportation and installation, helping reduce labour time on commercial projects.

Engineered with safety as a priority, the Sigen PV 50M1-HYA-AU features advanced protection systems including Arc Fault Circuit Interruption (AFCI), DC reverse polarity protection, residual current monitoring, and surge protection. These integrated safety measures help safeguard both the inverter and connected solar equipment while improving overall system reliability.

Designed for outdoor installations in challenging environments, the inverter features a durable IP66-rated enclosure and smart air cooling system, ensuring stable performance in extreme Australian weather conditions. The unit operates across a wide temperature range of -30°C to 60°C and supports high-altitude installations up to 5,000 metres (derating above 4,000 m).

Integrated communication interfaces including WLAN, Fast Ethernet, RS485, and optional Sigen CommMod (4G/3G/2G) allow seamless monitoring, system management, and remote diagnostics.

Key Features:

• 50kW three-phase commercial hybrid solar inverter
• Battery-ready design compatible with SigenStack BAT 12.0 energy storage modules
• Supports 4-21 battery modules for scalable storage capacity
• Up to 98.6% efficiency at 400V and 98.8% at 480V
• IP66-rated enclosure for reliable outdoor installation
• Parallel operation supported without external data logger
• Advanced safety features including AFCI, residual current monitoring, DC reverse protection, and surge protection
• Smart air cooling system for efficient thermal management
• Lightweight and compact design for easier installation

General Specifications:

• Dimensions: 918 x 640 x 340 mm
• Weight: 78 kg
• Nighttime power consumption: < 3.5 W
• Operating temperature: -30°C to 60°C
• Storage temperature: -40°C to 70°C
• Relative humidity: 0% – 100%
• Maximum operating altitude: 5,000 m (derating above 4,000 m)
• PV connection: MC4 connectors (max. 6 mm²)
• AC connection: OT/DT terminal (max. 240 mm²)
• Communication: WLAN, Fast Ethernet, RS485, optional Sigen CommMod (4G/3G/2G)

Benefits:

• Battery-ready architecture enables easy upgrade to a full PV + energy storage system
• Parallel inverter operation allows system expansion without additional logging hardware
• Industry-leading AFCI detection enhances system safety and reliability
• Instant PV reverse connection alerts simplify commissioning and troubleshooting
• IP66-rated outdoor design ensures durability in harsh environments
• Lightweight construction reduces transportation and installation costs

The Sigenergy Sigen PV 50M1-HYA-AU 50kW 3-Phase Hybrid Solar Inverter provides a future-ready solution for commercial solar projects, combining high efficiency, advanced safety protection, and seamless energy storage integration in a robust and installer-friendly design.

Weights & Measurements Information

About Sigenergy

Sigenergy develops premium hybrid inverters and modular battery systems commonly used in residential and light-commercial energy-storage projects. Their products focus on safety, rapid installation, and high-power backup capability. With strong attention to software and user interface design, Sigenergy systems provide reliable day-to-day performance and detailed monitoring.