SAJ is a prominent manufacturer of solar inverters, offering a range of products tailored for the Australian market. Established in 2005, SAJ has developed a strong presence in Australia, providing both residential and commercial solar solutions.
Single-Phase Inverters: The R5 series caters to residential installations, with capacities ranging from 3kW to 5kW. These inverters feature a fanless design for silent operation, dual MPPT trackers for optimal energy harvesting, and a maximum efficiency of up to 98.1%.
Three-Phase Inverters: Designed for both residential and commercial applications, the R6 series offers capacities from 5kW to 10kW. These inverters support higher string currents up to 16A, include built-in AC and DC surge protection devices, and achieve efficiencies up to 98.8%.
Hybrid Inverters: The H2 series integrates solar and energy storage, allowing users to maximize self-consumption and reduce grid dependence. Available in single-phase (5kW) and three-phase (5kW to 10kW) models, these inverters support fast battery charging/discharging and offer multiple smart operation modes.
The SAJ H2 Series Single-Phase Inverter is a high-efficiency solar inverter designed for residential and small commercial applications. It boasts a maximum efficiency of 97.6% with support for up to 200% DC oversizing, allowing flexible system design. With three MPPT trackers, it optimizes energy harvesting from solar panels. The inverter supports ultra-high-power PV modules with a maximum DC input current of 16A per string.
One of its standout features is its UPS function, ensuring seamless backup with a switch time of ≤10ms. It also supports battery storage using LiFePO4 batteries, with a voltage range of 85V to 450V and a maximum charge/discharge current of 50A. The inverter integrates essential safety features such as anti-islanding protection, AC/DC surge protection, and an optional AFCI for arc fault detection.
For connectivity, the H2 series offers Wi-Fi, Ethernet, and optional 4G for remote monitoring via a mobile app and LED display. Its natural convection cooling ensures quiet operation, with a noise level of <35dBA. The robust IP65 rating provides protection against dust and water, making it suitable for outdoor installations.
The inverter supports a wide operating temperature range from -40°C to +60°C, with power derating above 45°C. It meets major international safety and grid compliance standards, including AS4777.2, IEC62109-1 & -2, and EN50549. It comes with flexible warranty options of 5, 10, 15, or 20 years, ensuring long-term reliability.
For more information please click here –The SAJ H2 Series Three-Phase Hybrid Inverter is a high-efficiency solar inverter designed for both grid-tied and energy storage applications. With a maximum efficiency of 98.0% and 97.6% Euro efficiency, it ensures optimal power conversion. The inverter supports high DC input capacities, accommodating 15A per string and a MPPT voltage range of 180V – 900V, making it compatible with ultra-high PV modules.
This inverter comes with UPS functionality, enabling a seamless switchover in ≤10ms, ensuring uninterrupted power supply. It allows 110% AC overloading and supports 150% – 200% DC oversizing, maximizing power input flexibility. For energy storage, it is compatible with LiFePO4 batteries, with a voltage range of 180V – 600V and a maximum charging/discharging current of 30A.
The SAJ H2 Series offers intelligent working modes that can be easily configured, along with 100% three-phase voltage imbalance support, ensuring stable performance in varying grid conditions. It includes advanced protection features such as reverse polarity, overload, AC and DC surge protection, and optional AFCI (Arc Fault Circuit Interruption) for added safety.
For connectivity and monitoring, the inverter provides LED + APP control and supports WiFi, Ethernet, and optional 4G communication. It is built for durability with IP65 ingress protection, natural convection cooling, and an operating temperature range of -25°C to +60°C (with derating above 45°C). The unit operates quietly at less than 30 dBA noise levels and is rated for altitudes up to 4000m.
The SAJ H2 Series is backed by warranty options of 5, 10, 15, or 20 years, making it a reliable, high-performance, and future-ready hybrid inverter solution for residential and commercial applications.
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