Voltronic Power Axpert VM III TRI 4.5K

InvertersModel VOLTRONIC-AXPERT-VM-III-TRI-4.5K

Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K

A 4500VA/4500W inverter-charger on a 24 VDC bank, taking 6500W of PV through a 120A MPPT charger and holding 9000VA surges in an 11.8 kg wall chassis.

  • Voltage: 230 VAC
  • Voltage Range: 90-280 VAC
  • Frequency Range: 50/60 Hz (Auto sensing)
AED 3,800incl. VAT

In stock

  • Delivered within 3 business days, door to door, to every market we serve.
  • Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
  • 2-year warranty
Full SpecificationsDownload datasheet (PDF)

Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K features

  • 4500VA/4500W with a 9000VA surge

    Rated 4500VA/4500W and regulated to 230VAC ± 5% at 50Hz or 60Hz, with 9000VA of surge headroom for motor starts.

  • 6500W of PV on a 120A MPPT charger

    The MPPT tracker works from 60 - 450 VDC to a 500 VDC open circuit, accepting 40A and 6500W of array at up to 120A of solar charging.

  • 24 VDC bank, 60A default charge current

    Charges a 24 VDC bank at a 60A default current and up to 120A from AC, floating at 27Vdc, starting from 23.0Vdc and stopping at 33 VDC.

  • 10 ms transfer across 90-280 VAC

    Accepts a sinusoidal 230Vac utility or generator feed from 90-280 VAC to 300Vac, transferring in 10 ms at over 95% line-mode efficiency.

  • Disconnects at 280Vac±7V and 65±1Hz

    Drops the line at 280Vac±7V or 65±1Hz and returns at 270Vac±7V or 63±1Hz, with 40±1Hz and 42±1Hz on the low side and a circuit breaker on short circuits.

  • 11.8 kg in a 336 x 435.5 x 131 mm case

    An 11.8 kg chassis measuring 336 x 435.5 x 131 mm, rated -10°C to 50°C and 5% to 95% relative humidity, non-condensing.

About the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K is an Off-Grid Inverter with a rated power of 4500 VA/4500W, making it a dependable choice for off-grid, hybrid and backup power installations. It accepts an operating voltage range of 170-280 VAC in UPS mode (For Personal Computers). It operates at an efficiency of >95% (Rated R load. Its output waveform is Sinusoidal (utility or generator). The unit measures 131 x 336 x 435.5 and weighs 11.8. 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 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K 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 PV Voltage Accuracy of 2V, High Loss Frequency of 65±1Hz and High Loss Return Frequency of 63±1Hz.

Specifications last updated 23 July 2026

Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K full specifications

Electrical(47)

Default Charging Current60A
PV Voltage Accuracy2V
Rated Power4500VA/4500W
Efficiency (Line Mode)>95% (Rated R load
High Loss Frequency65±1Hz
High Loss Return Frequency63±1Hz
High Loss Return Voltage270Vac±7V
High Loss Voltage280Vac±7V
Input Voltage WaveformSinusoidal (utility or generator)
Low Loss Frequency40±1Hz
Low Loss Return Frequency42±1Hz
Low Loss Return Voltage100Vac±7V (Appliances)
Max AC Input Voltage300Vac
Nominal DC Input Voltage24Vdc
Nominal Input Frequency50Hz/60Hz (Auto detection)
Nominal Input Voltage230Vac
Output Frequency50Hz or 60Hz
Peak Efficiency90%
Battery28.2
Cold Start Voltage23.0Vdc
Floating Charging Voltage27Vdc
OutputTemperature of internal converter
Output Short Circuit ProtectionCircuit Breaker
Output Voltage Regulation230Vac± 5%
Output Voltage WaveformPure Sine Wave
Safety CertificationCE
Voltage230 VAC
Selectable Voltage Range170-280 VAC (For Personal Computers)
Frequency Range50 Hz/60 Hz (Auto sensing)
AC Voltage Regulation (Batt. Mode)230VAC ± 5%
Surge Power9000VA
Efficiency (Peak)93%
Transfer Time10 ms (For Personal Computers)
WaveformPure sine wave
Battery Voltage24 VDC
Floating Charge Voltage27 VDC
Overcharge Protection33 VDC
Solar Charger typeMPPT
Maximum PV Array Power6500W
MPP Range @ Operating Voltage60 – 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
Maximum PV Input Current40A
Maximum Solar Charge Current120A
Maximum AC Charge Current120A
Maximum Charge Current120A
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact
Compliance SafetyIEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12

Mechanical(2)

Dimension, D x W x H (mm)131 x 336 x 435.5
Net Weight (kgs)11.8

Environmental(4)

Operating Temperature Range-10°C to 50°C
Storage temperature-15°C~ 60°C
Humidity5% to 95% Relative Humidity (Non-condensing)
Operating Temperature-10°C to 50°C

Certifications(10)

  • IEC 62109
  • IEC 61683
  • EN 61000-6-2
  • IEC 61000-6-2
  • EN 61000-6-4
  • IEC 61000-6-4
  • EN 61000-3-11
  • IEC 61000-3-11
  • EN 61000-3-12
  • IEC 61000-3-12

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What is the rated power of the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K has a rated power of 4500 VA/4500W and a surge capability of 9000 VA.

What voltage does the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K operate on?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K has a nominal voltage of 24 VDC and an operating voltage range of 170-280 VAC in UPS mode (For Personal Computers).

What are the physical dimensions and weight of the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K measures 131 x 336 x 435.5 and weighs 11.8.

What is the operating temperature range of the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K operates across -10°C to 50°C and a humidity range of 5% to 95% Relative Humidity (Non-condensing).

What is the efficiency of the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K has an efficiency of >95% (Rated R load.

What solar input can the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K handle?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K supports a maximum PV array power of 6500W, a maximum solar charge current of 120A and a maximum PV array open-circuit voltage of 500 VDC.

What transfer time and output waveform does the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K provide?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K has a transfer time of 10 ms in UPS mode (For Personal Computers) and an output waveform of Sinusoidal (utility or generator).

How does the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K regulate voltage?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K provides a voltage regulation of 230 VAC± 5%.

What communication options does the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K offer?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K offers USB/RS232/RS485/WiFi/Dry-contact connectivity for monitoring and control.

What certifications does the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K have?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K 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.

What warranty coverage is available for the Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K?

The Voltronic 4.5 kW Off-Grid Solar Inverter Axpert VM III TRI 4.5K is backed by a 2-year manufacturer warranty from Voltronic Power.

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