
Voltronic Axpert MKS-ZERO LV 1000-12 Off-Grid Solar Inverter
- Voltage Range:95-140 VAC
- THDi:≤ 10%

The Axpert MKS Zero LV Axpert MKS-ZERO LV 3000-48 is an off-grid solar inverter rated Axpert MKS-ZERO LV 3000-48.
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The Axpert MKS Zero LV Axpert MKS-ZERO LV 3000-48 is an off-grid solar inverter rated Axpert MKS-ZERO LV 3000-48. Every figure on this page is read from the manufacturer's manual for the Axpert MKS Zero LV series.
Specifications last updated 18 August 2026
| Voltage Range | 95-140 VAC |
|---|---|
| THDi | ≤ 10% |
| AC Voltage Regulation (Line & Batt. Mode) | 120VAC ± 5% |
| Frequency Range (Synchronized Range) | 46-54 Hz or 56-64 Hz |
| Harmonic Distortion | ≤3% THD (Linear Load); ≤ 5% THD (Non-linear Load) |
| Transfer Time | Oms |
| Line Mode | > 90% |
| ECO Mode | 98% |
| MPPT Range @ Operating Voltage | 15~115V |
| Maximum PV Array Open Circuit Voltage | 30~115V |
| Maxmum Solar Charge Current | 80A |
| Maximum AC Charge Current | 60A |
| Communication Interface | RS232 |
| Rated Power | 3000VA/3000W |
| Floating Charge Voltage | 13.5 VDC |
| Maximum PV Array Power | 4000 W |
| Solar Charger Type | MPPT |
| Humidity | 5% to 95% |
|---|---|
| Operating Temperature | -10°C to 50°C |








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Read: How to Monitor Voltronic Inverters and UPS via WiFi →The Axpert MKS-ZERO LV 3000-48 is rated 3000VA/3000W. That is the continuous figure and it is the one to size your load against; no separate surge rating is published for this unit.
The Axpert MKS-ZERO LV 3000-48 takes up to 4000 W of PV array. The string has to stay below 30~115V open-circuit — that ceiling is reached on a cold bright morning, not at noon. The tracker works over 95-140 VAC, so wire the modules to land inside that window.
Peak efficiency is > 90%. Whatever is not converted leaves as heat, so the Axpert MKS-ZERO LV 3000-48 needs clear air around it and a mounting spot that is not the hottest wall in the building.