EG4 18kPV – 12kW Hybrid Inverter / 18kW PV Input (120/240V Split-Phase)
The EG4 18kPV is a 48V split-phase hybrid inverter/charger built for grid-tie, off-grid, and backup applications. It delivers up to 12kW AC output (240V) with 3 MPPTs, fast transfer for backup loads, and a rugged NEMA 4X outdoor-rated enclosure.
Key Specifications
• Model – EG4 18kPV Hybrid Inverter
• Inverter Type – Hybrid (Grid-tie / Off-grid / Backup-UPS)
• Battery Voltage – 48 VDC (nominal)
• Battery Voltage Range – 40–60 VDC (Lithium); 40–60 VDC (Lead-acid)
• Compatible Battery Types – Lead-acid / Lithium
• Max Charge/Discharge Current – 250 A
• Recommended Battery Capacity – >200 Ah per inverter
• AC Nominal Voltage (Input & Output) – 120/240 VAC or 120/208 VAC (L1/L2/N required)
• Frequency – 50/60 Hz
• Max Continuous AC Output Power – 12,000W @ 240V; 10,400W @ 208V
• Max Output Current – 50 A
• Operating Voltage Range – 180–270 VAC
• Power Factor – 0.99 (full load)
• Reactive Power Adjust Range – -0.8 to +0.8 (leading adjustable)
• THD (Full Load) – <5%
• Max AC Input Power – 12,000W
• Max AC Input Current – 50 A @ 240 VAC
• Max AC Bypass – 200 A
• Transfer Time – 20 ms (default) / 10 ms (configurable); Parallel: 20 ms
• Backup/UPS Switching Time – 10 ms
• Backup/UPS Rated Output Current (240/208V) – 50 A
• Generator AC Bypass (Backup/UPS) – 90 A
• Max Continuous Line Wattage (Grid Output) – 6,000W
• Max Continuous Line Wattage (Backup/UPS) – 8,000W
• Surge Power (with PV) – 14,700W (10 min); 15,500W (5 min)
• Surge Power (without PV) – 13,500W (10 min)
• PV MPPTs – 3
• Inputs per MPPT – 2 (MPPT1) / 1 (MPPT2) / 1 (MPPT3)
• Max Usable PV Input Current – 25A (MPPT1) / 15A (MPPT2) / 15A (MPPT3)
• Max PV Short-Circuit Current – 31A (MPPT1) / 19A (MPPT2) / 19A (MPPT3)
• DC Input Voltage Range – 100–600 VDC
• Unit Startup Voltage – 100 VDC
• MPPT Operating Voltage Range – 140–500 VDC
• Nominal MPPT Voltage – 360 VDC
• Max Utilized Solar Power – 18,000W
• Recommended Maximum Solar Input – 21,000W
• Max Units in Parallel – 10
• Communication Interface – RS485 / Wi-Fi / CAN
• Outdoor Rating – NEMA 4X
• Dimensions (H × W × D) – 34.3 × 20.5 × 11.2 in (870 × 520 × 285 mm)
• Weight – 121 lbs (55 kg)
• Operating Temperature Range – -13°F to 140°F (-25°C to 60°C)
• Storage Temperature Range – -13°F to 140°F (-25°C to 60°C)
• Relative Humidity – 0–100%
• Max Operating Altitude – <2000 m (<6561 ft)
• Noise Emission – <68 dB @ 3 ft
• Lock Rotor Amps (LRA) – 180 A
• Safety Features – PV Arc Fault, PV Ground Fault, PV Reverse Polarity, pole-sensitive leakage current monitoring, surge protection device, integrated PV disconnect
• Certifications/Compliance – UL 1741 SA/SB, NEC 2020 RSD/AFCI/GFDI references, CSA (C22.2), IEEE 1547, Hawaii Rule 14H, California Rule 21 (Phase I/II/III), FCC Part 15 Class B
• Warranty – 10-year standard warranty
