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Amensolar N3H-X12US 12kW Split Phase Hybrid Inverter
The Amensolar N3H-X12US is a 12kW split phase hybrid inverter designed for solar, battery storage, grid-tied, backup power, and generator-supported energy systems. Built for North American electrical configurations, this inverter supports 110/220V, 120/240V split phase, 208V, and 230V systems, making it suitable for residential and light commercial solar energy installations.
With 18kW maximum PV input, 4 independent MPPT trackers, 48V battery compatibility, and 200A maximum grid passthrough current, the N3H-X12US is built for flexible solar plus storage setups. It also supports multiple operating modes, including self-use, battery priority, peak shifting, generator function, AC coupling, and parallel connection for increased system power.
Solar PV Input
The Amensolar N3H-X12US supports up to 18kW of maximum DC input power, helping installers design solar systems with strong PV capacity. Its 4 MPPT trackers allow multiple solar input strings to operate independently, improving flexibility for different roof sections, panel orientations, or system layouts.
- Maximum DC input power: 18kW
- Number of MPPT trackers: 4
- MPPT voltage range: 120V to 430V
- Maximum DC input voltage: 500V
- Maximum input current per MPPT: 16A / 16A / 16A / 16A
- Maximum short circuit current per MPPT: 22A
Battery Storage Compatibility
This 12kW hybrid inverter is designed for 48V battery systems and supports both lithium and lead-acid battery types. The battery voltage range is 40V to 58V, with high charge and discharge current capacity for solar battery backup applications.
- Nominal battery voltage: 48V
- Battery voltage range: 40V to 58V
- Battery type: Lithium / Lead-acid
- Maximum charging current: 250A
- Maximum discharging current: 260A
- Charging controller: 3-stage with equalization
On-Grid AC Output
The N3H-X12US provides 12kVA nominal AC output to the grid with a maximum apparent power output of 13.2kVA. It supports 50/60Hz operation and includes a maximum grid passthrough current of 200A.
- Nominal output power to grid: 12kVA
- Maximum apparent power output to grid: 13.2kVA
- Nominal AC voltage: 110V to 120V / 220V to 240V split phase, 208V 2/3 phase, 230V 1 phase
- Nominal AC frequency: 50/60Hz
- Nominal AC current: 50A
- Maximum AC current: 55A
- Maximum grid passthrough current: 200A
- Output THDi: <3%
Backup Power Output
For backup power applications, this inverter provides 12kVA nominal apparent power and supports 120/240V backup output at 60Hz. With PV input available, the maximum apparent backup power listed by the supplier is 13.2kVA.
- Nominal apparent power: 12kVA
- Maximum apparent power without PV: 12kVA
- Maximum apparent power with PV: 13.2kVA
- Nominal backup output voltage: 120/240V
- Nominal backup output frequency: 60Hz
- Output power factor: 0.8 leading to 0.8 lagging
- Output THDu: <2%
Efficiency
The Amensolar N3H-X12US is designed for efficient solar conversion, battery charging, and battery-to-load operation. It reaches a listed 99.9% MPPT efficiency and up to 96.5% maximum PV-to-grid efficiency.
- MPPT efficiency: 99.9%
- Europe efficiency, PV: 96.2%
- Maximum PV-to-grid efficiency: 96.5%
- Maximum PV-to-battery charging efficiency: 95.8%
- Maximum battery-to-load efficiency: 94.6%
- Maximum grid-to-battery charging efficiency: 94.5%
- Self-consumption: <25W
Smart Monitoring and Communication
The N3H-X inverter series supports intelligent monitoring through the Solarman App, allowing users to view system data remotely. Monitoring data can include power generation, battery power, grid sales data, load power consumption, equipment information, and power station alarms.
- Communication with BMS / Meter / EMS: RS485, CAN
- Supported communication interface: RS485, 4G optional, Wi-Fi
- Remote monitoring: Solarman App
- Display: LCD
Protection and Safety Features
The Amensolar N3H-X12US includes multiple built-in protection functions for solar, battery, backup, and grid-connected operation. These features help support safer system performance when installed according to applicable electrical codes and manufacturer instructions.
- Ground detection
- Arc fault protection
- Island protection
- Insulation resistor detection
- Residual current monitoring unit
- Output over-current protection
- Backup output short protection
- Output over-voltage protection
- Output under-voltage protection
- Rapid shutdown system support
Certifications and Grid Standards
- Safety: UL1741, UL1741 SA & SB all options, UL1699B, CSA C22.2 No.107.1-01
- Rapid shutdown: RSD listed by supplier with NEC 690.5, 690.11, and 690.12 references
- EMC: FCC Part 15 Class B
- Grid connection standards: IEEE 1547, IEEE 2030.5, HECO Rule 14H, CA Rule 21 Phase I, II, III, CEC, CSIP, SRD2.0, SGIP, OGPe, NOM, California Prop 65
Key Features
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12kW hybrid inverter power for solar, battery, grid, backup, and generator-supported systems.
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Split phase output support for 110/220V, 120/240V split phase, 208V, and 230V applications.
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18kW max DC input power with 4 MPPT trackers for flexible solar array design.
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4 independent MPPTs with up to 16A max input current per MPPT.
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48V battery input compatible with lithium and lead-acid batteries.
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250A max charging current and 260A max discharging current.
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200A max grid passthrough current for supported backup and grid-connected applications.
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Backup output support with 12kVA nominal apparent power and up to 13.2kVA with PV.
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Multiple working modes, including self-use, peak shift, and battery priority.
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Generator function and AC coupling support for expanded system flexibility.
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Parallel connection support to increase system power when designed correctly.
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Solarman App monitoring for remote system data, power generation, consumption, battery, grid, load, and alarm information.
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RS485 and CAN communication, with optional Wi-Fi and 4G connectivity.
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Integrated PV switch and LCD display.
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IP65 / NEMA 3R enclosure for durable installation environments.
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UL, CSA, IEEE, FCC, HECO, and California Rule 21 related certifications and standards listed by the supplier.
Specifications
| Model |
N3H-X12US |
| Inverter Power |
12kW |
| Max DC Input Power |
18kW |
| Battery Nominal Voltage |
48V |
| Max Grid Passthrough Current |
200A |
| Operating Temperature |
-25°C to +60°C |
| Relative Humidity |
0% to 95% |
| Operating Altitude |
0 to 4,000m, derating above 2,000m |
| Ingress Protection |
IP65 / NEMA 3R |
| Cooling |
Air cooling |
| Noise Emission |
57 dB |
| Display |
LCD |
| Weight |
67 kg |
| Dimensions |
495 x 900 x 260 mm |
Conduit and Installation Data
- Backup conduit: 2 inches
- Grid conduit: 2 inches
- AC solar conduit: 2 inches
- PV input conduit: 2 inches
- Battery input conduit: 2 inches
- PV switch: Integrated
Supported System Functions
The Amensolar N3H-X12US can convert DC power from solar panels into AC power for home or commercial use. It can also integrate with battery storage systems to store excess energy for later use, such as nighttime operation or cloudy-day backup.
The inverter also supports smart grid connection and bi-directional power flow. Exporting excess power to the grid depends on local utility approval, net metering availability, and applicable regulations.
What Is Included
- Split phase hybrid inverter
- User manual
- Hanging rack
- Wi-Fi module
- Parallel cable
- Expansion screws and pan-head screws
- Split core CT
- Rapid shutdown system transmitter, optional according to supplier listing
Ideal Applications
- Residential solar plus battery backup systems
- 48V battery storage installations
- Grid-tied solar systems with backup capability
- Generator-supported hybrid energy systems
- Self-use, battery priority, and peak shifting energy setups
- Solar installations requiring 120/240V split phase support
Important Installation Note
This inverter should be installed by a qualified professional according to the manufacturer’s instructions, local electrical codes, utility requirements, and all applicable safety standards. Grid export, generator integration, battery compatibility, and parallel system design should be confirmed before installation.
Official Datasheet
