Description
Sol-Ark | 18kW Hybrid Inverter 120/240VAC, 48VDC, NEMA 3R with 200A Passthrough
The Sol-Ark 18kW hybrid inverter delivers powerful, all-in-one energy conversion for residential and light commercial systems. Designed for grid-tied, off-grid, and backup applications, it combines high output capacity with robust 48V battery support and a 200A passthrough for seamless load handling. Its NEMA 3R enclosure allows reliable indoor or outdoor installation, making it a flexible solution for resilient energy systems.
KEY FEATURES
- 18kW output power for high-demand applications
- 120/240VAC split-phase operation for residential and commercial use
- 48VDC battery compatibility for efficient energy storage integration
- 200A passthrough for seamless load and grid interaction
- NEMA 3R enclosure suitable for indoor and outdoor installation
- Supports grid-tied, off-grid, and backup power modes
Specifications
| Category | Parameter | Details |
|---|---|---|
| PV Input Data | Max. usable PV power | 28,800 W |
| Max. AC-coupled input power | 19,200 W | |
| Rated MPPT operating voltage range | 150 – 425 V | |
| Startup voltage | 125 V | |
| Max. DC input voltage | 500 V | |
| Max. operating input current per MPPT | 36 A | |
| Max. short-circuit current per MPPT | 54 A | |
| Number of MPPTs | 3 | |
| PV strings per MPPT | 2 | |
| AC Output Data | Continuous output power | 18,000 W |
| Surge power (10 s) | 36,000 W | |
| Nominal AC voltage | 120/240 V; 208 V | |
| AC voltage range | 0.88 Un < U < 1.1 Un | |
| Grid frequency | 60 Hz / 55–65 Hz | |
| Continuous output current | 75 A | |
| Max. grid passthrough current | 200 A | |
| Max. efficiency | 97.6% | |
| Stackable | Yes, up to 12 units | |
| Battery Input Data (DC) | Nominal DC voltage | 48 V |
| Operating voltage range | 40 – 60 V | |
| Battery capacity range | 50 – 9,900 Ah | |
| Continuous battery current | 350 A | |
| Battery disconnecting means | 200 A per pole × 2 | |
| Charging controller | 3-stage with equalization | |
| Automatic generator start (AGS) | Integrated, 2-wire start | |
| BMS communication | CANBus, RS485 (MODBUS) | |
| General Data | Dimensions (H × W × D) | 863 × 464 × 282 mm |
| Weight | 62.4 kg / 137 lb | |
| Enclosure rating | IP65 / NEMA 3R | |
| Ambient temperature | -40°C to +60°C (derating above 45°C) | |
| Operating altitude | Up to 3000 m (9843 ft) | |
| Noise level | < 50 dB | |
| Communication & monitoring | Wi-Fi and LAN hardware included | |
| Standard warranty | 10 years | |
| Protection & Certifications | Certifications & listings | UL1741 3rd SB, UL1741 CRD-PCS, IEEE 1547-2018 |
| Grid interoperability | IEEE 2030.5, Hawaiian Electric SRD V2.0 | |
| Additional protections | UL1699B PVDC AFCI, UL1998 | |
| Canadian certification | CSA C22.2 No. 107 |
Manual & Downloads
