User-friendly LCD setting and intuitive
User-friendly LCD setting and intuitive LED design

InvertersModel VOLTRONIC-AXPERT-MAX-III-12KW
Discover the Axpert MAX III 12KW inverter by Voltronic Power with 230VAC, 24000VA surge power, and auto-sensing frequency for optimal performance.
In stock
User-friendly LCD setting and intuitive LED design
Grid support and built-in CT sensor
Built-in DC, AC breaker, PV DC switch
Easy access cable design with sliding door
Dual inputs and Dual outputs for smart energy management
Upgrade maximum PV power to 18000W
User Selectable Hybrid or Off-Grid mode inverter operation
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW is an Off-Grid Inverter with a maximum PV array power of 18000W (Max. 12000W per tracker), making it a dependable choice for off-grid, hybrid and backup power installations. It accepts an operating voltage range of 90-280 VAC in UPS mode (For Home Appliances). It operates at an efficiency of 93%. Its output waveform is Pure sine wave. The unit measures 176.3 x 432.4 x 687 and weighs 28.5. It is rated to operate across -10°C to 50°C, with a humidity tolerance of 5% to 95% Relative Humidity (Non-condensing). Monitoring and control are available over USB/RS232/RS485/Wifi/Dry-contact. The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW is certified to IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11 and 61000-3-12 and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Voltage of 230 VAC, No Load Power Consumption of <75W and DC Voltage of 12 VDC ± 5%, 100W.
Specifications last updated 23 July 2026
| Voltage | 230 VAC |
|---|---|
| Selectable Voltage Range | 90-280 VAC (For Home Appliances) |
| Frequency Range | 50 Hz/60 Hz (Auto sensing) |
| AC Voltage Regulation (Batt. Mode) | 230VAC ± 5% |
| Surge Power | 24000VA |
| Efficiency (Peak) | 93% |
| Transfer Time | 15 ms (For Personal Computers), 20 ms (For Home Appliances) |
| Waveform | Pure sine wave |
| No Load Power Consumption | <75W |
| DC Voltage | 12 VDC ± 5%, 100W |
| Battery Voltage | 48 VDC |
| Floating Charge Voltage | 54 VDC |
|---|---|
| Overcharge Protection | 66 VDC |
| Solar Charger type | MPPT |
| Maximum PV Array Power | 18000W (Max. 12000W per tracker) |
| MPP Range @ Operating Voltage | 90 ~ 450 VDC |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
| Maximum PV Input Current | 40A/27A (MAX 60A) |
| Maximum Solar Charge Current | 200A |
| Maximum AC Charge Current | 200A |
| Maximum Charge Current | 200A |
| Compliance Safety | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 |
| Dimension, D x W x H (mm) | 176.3 x 432.4 x 687 |
|---|---|
| Net Weight (kgs) | 28.5 |
| Communication Interface | USB/RS232/RS485/Wifi/Dry-contact |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) |
|---|---|
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -15°C to 60°C |
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW has a nominal voltage of 48 VDC and an operating voltage range of 90-280 VAC in UPS mode (For Home Appliances).
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW measures 176.3 x 432.4 x 687 and weighs 28.5.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW operates across -10°C to 50°C and a humidity range of 5% to 95% Relative Humidity (Non-condensing).
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW has an efficiency of 93%.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW supports a maximum PV array power of 18000W (Max. 12000W per tracker), a maximum solar charge current of 200A and a maximum PV array open-circuit voltage of 500 VDC.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW has a transfer time of 15 ms (For Personal Computers), 20 ms in UPS mode (For Home Appliances) and an output waveform of Pure sine wave.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW provides a voltage regulation of 230 VAC ± 5%.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW offers USB/RS232/RS485/Wifi/Dry-contact connectivity for monitoring and control.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW is certified to IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11 and 61000-3-12, meeting recognised international standards for safety and performance.
The Voltronic Off-Grid Solar Inverter Axpert MAX III 12KW is backed by a 2-year manufacturer warranty from Voltronic Power.