SRNE HESP 18,000W 48V Three-Phase Hybrid Solar Storage Inverter

The SRNE HESP48180UH3 is an 18,000W 48V three-phase hybrid solar storage inverter engineered for commercial and industrial off-grid, grid-tied, and hybrid energy storage applications requiring high-power three-phase output, fast battery charging, and scalable multi-unit system architecture.

The HESP48180UH3 supports 120/208V WYE three-phase input and output without requiring an N wire, making it suitable for three-phase commercial loads, and scales from standalone operation to 9-unit parallel configurations for up to 162 kW of commercial and industrial system power.

The HESP48180UH3 accepts up to 36,000W of PV array access power (1.6× rated power) across three independent MPPT trackers (2+2+2 string configuration) with a 120–500V MPPT voltage range, 600V maximum open-circuit voltage, and 40A per channel maximum input current.

Key Features:

• 18,000W Rated / 36,000VA Peak Three-Phase Pure Sine Wave Output — 120/208V WYE — Delivers 18,000W rated continuous three-phase output at 120/208V WYE (3L+N+PE) for full compatibility with three-phase commercial and industrial loads; 36,000 VA peak off-grid apparent power handles motor starting and surge loads; three-phase input/output without N wire function supported
• Three Independent MPPT Trackers — 2+2+2 Strings / 36,000W Max Array — Three independent MPPT inputs in 2+2+2 string configuration accept up to 40A per channel across a 120–500V MPPT voltage range; 600V maximum open-circuit voltage; supports up to 36,000W maximum PV array access power (1.6× rated inverter power) for maximized energy harvest and DC oversizing
• 350A Fast Charging and Discharging — Dual Battery Inputs — Maximum charging, hybrid charging, and discharging current of 350A supports fast battery charge and discharge cycles; two independent battery inputs accommodate flexible battery bank configurations; self-adaptive BMS communication for lithium batteries; compatible with lead-acid, lithium, and user-defined battery types across 40–60V range
• Dedicated Generator Port — AC Coupling — Smart Load — Separate generator input port provides clean generator integration without compromising grid or PV input paths; AC coupling function supports integration of existing AC-coupled PV inverters; smart load output enables programmable load management to maximize self-consumption and battery life
• Up to 9 Units in Parallel — 162 kW Commercial/Industrial System — Supports 1–9 unit parallel configurations for scalable off-grid and hybrid systems up to 162 kW; dual activation function supports system wake-up from grid or PV source; time-slot function enables peak-valley energy management for time-of-use cost optimization
• 200A Grid Bypass — IP65 — UL1741SB / IEEE 1547 Certified — 200A maximum grid bypass current supports high-load grid-connected operation; IP65 enclosure rated for outdoor and demanding indoor installation environments; full UL1741SB, IEEE 1547-2018, CEC, SGIP, and CSIP certification for utility-interactive grid-tied applications
• 99.9% MPPT / 97.5% Max / 97% CEC Efficiency — Industry-leading efficiency across the operating range; 99.9% MPPT tracking efficiency minimizes solar harvest losses; 97% CEC weighted efficiency reflects real-world annual energy production performance
• Comprehensive Protection Suite — PV lightning protection, anti-islanding protection, leakage current detection, insulation resistor detection, output overcurrent/short circuit protection, PV reverse polarity protection; AC Type II / DC Type II surge protection; AC Type II / DC Type III overvoltage category

The HESP48180UH3 operates across -25°C to +60°C (derating above 45°C) with heat sink plus intelligent air cooling at less than 55 dB noise. Humidity rated 0–100%. RS485, CAN, USB, and dry contact communication interfaces are standard; optional Wi-Fi and 4G stick modules enable remote monitoring. Dimensions are 860 × 480 × 313 mm and the unit weighs 130.1 lbs. Five-year standard warranty.

Technical Specifications: