The product supports multiple input priority modes including UTL, SOL, SBU and SUB, adapting to various power supply scenarios and user needs. Rigorous quality testing and field application have verified its superior durability and stable performance. Widely popular in Asia, Africa and Latin America markets, the inverter has earned high recognition and frequent repeat purchases from global customers, standing out as a trustworthy core device for solar power systems.
(Custom configurations available upon request.)
| Model | NKH-1200 | NKH-3600 | NKH-6000 | NKH-12K | |
| Rated power | 1200W | 3600W | 6000W | 12000W | |
| Communication Input | Voltage | 230/240V AC | 230/240V AC | 230/240V AC | 230/240V AC |
| Selectable Voltage Range UPS/INV | 170-264V AC 90-280VAC | 170-280VAC 120-280VAC | 170-280VAC 90-280VAC | 170-280VAC 90-280VAC | |
| Frequency Range | 50/60HZ (Auto sensing) | 50/60HZ (Auto sensing) | 50/60HZ (Auto sensing) | 50/60HZ (Auto sensing) | |
| Communication Output | AC Voltage Regulation(batt.Mode) | 208/220/230/240VAC | 208/220/230/240VAC | 208/220/230/240VAC | 220/230/240VAC |
| Surge Power | 2.4KW | 7.2KW | 12KW | 24KW | |
| Efficiency(peak)PV-INV | 95% | 95% | 95% | 95% | |
| Efficiency(peak)Battery-INV | 94% | 94% | 94% | 94% | |
| Transfer Time | 10ms | 10ms | 10ms | 10ms | |
| Overload Capacity | 1mins@102%-110%Load ,10s@110%-130%Load, 3s@130%-150%Load, 2s150%Load | 1mins@102%-110%Load, 10s@110%-130%Load, 3s@130%-150%Load, 2s150%Load | 1mins@102%-110%Load, 10s@110%-130%Load, 3s@130%-150%Load, 2s150%Load | 1mins@102%-125%Load, 10s@>125%Load | |
| Battery & AC charge | Battery Voltage | 12VDC | 24VDC | 48VDC | 48VDC |
| Floating Charge Voltage | 13.5VDC | 27VDC | 54VDC | 54VDC | |
| Overcharge Protection | 15.75VDC | 32VDC | 64VDC | 61VDC | |
| Maximum Charge Current | 60A | 100A | 120A | 160A | |
| PV Charge | Maximum PV array Power | 1000W | 5000W | 9000W | 15000W |
| MPPT Range Operating Voltage | 20-100VDC | 40-430VDC | 60-450VDC | 60-450VDC | |
| Maximum PV Array Open Circuit Voltage | 125VDC | 450VDC | 500VDC | 500VDC | |
| Maximum Charge Current | 60A | 100A | 120A | 160A | |
| Maximum Efficiency | 99% | 99% | 99% | 99% | |
| AC+PV Charge | Maximum Charge Current | 120A | 100A | 120A | 160A |
| Operating Environment | Humidity | 5-95% Relative Humidity (Non-condensing) | |||
| Operating Temp | 0-55 degree | ||||
| Storage Temp | -15-60 degree | ||||
| Physical | Communication Interface | USB/RS232/RS485 | |||
| Dimension(L*W*H)mm | 260*103*342 | 312*122*436 | 343*122*427 | 389*129*503 | |
| Package Size(L*W*H)mm | 355*198*435 | 395*215*505 | 425*195*495 | 470*225*565 | |
| N.W(KG) | 4.1 | 7.5 | 9.2 | 15 | |
| Note: Our company has the right of changing this user manual without information | |||||