Inverters

NS VMIII 4kW Twin Solar Inverter

₨ 120,000PKR · price may vary

Model: WNS-05
Specifications: 11

Voltage range60VDC ~ 450VDC
Rated power4000VA / 4000W
AC Voltage Regulation230VAC ± 10%
Battery voltage24 VDC
Frequency Range50 Hz/60 Hz (Auto sensing)
View all 11 specifications ↓

Specifications

Summary
Voltage range	60VDC ~ 450VDC
HARDWARE FEATURES
Rated power	4000VA / 4000W
General Specification
AC Voltage Regulation	230VAC ± 10%
Battery voltage	24 VDC
Frequency Range	50 Hz/60 Hz (Auto sensing)
Maximum PV Input Power	27A
Operating Temperature	-10°C to 50°C
Type	Twin Solar Inverter
Weight	9 Kg
Input Voltage	230 VAC
Dimension	115 x 300 x 435 mm

What these specifications mean

NS VMIII 4kW Twin Solar Inverter is listed with 11 published specifications from Ns Solar, including voltage range of 60VDC ~ 450VDC, rated power of 4000VA / 4000W, AC voltage regulation of 230VAC ± 10% and battery voltage of 24 VDC. Those figures are what decide whether this unit fits your system, so read them against the equipment it will connect to before comparing price.

For an inverter, the figures that matter most are surge or peak rating, which covers the brief inrush of motors and compressors, maximum PV input and the number of MPPT trackers, which set how many panel strings you can connect, the MPPT voltage window, which decides how many panels go in a string and peak and weighted (European/CEC) efficiency, typically 96–98.5%. It is the component that decides what a solar system can do: how much power you can draw at once, whether you can export to the grid, whether the system keeps running in a blackout, and how well the panels and battery are managed day to day.

An inverter converts the direct current (DC) produced by solar panels and stored in batteries into the alternating current (AC) that household appliances, pumps and the utility grid actually use.

Choosing an inverter: the checks that matter

The checks below apply to any inverter. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.

Size the inverter against the loads you need to run simultaneously, not against the total wattage of every appliance in the building — a 5 kW inverter comfortably runs a fridge, fans, lights and a couple of ACs, but not all of them plus a water pump starting at the same time.
Keep the panel array between roughly 1.0 and 1.3 times the inverter's rating. Slight oversizing (a higher DC-to-AC ratio) captures more energy on cloudy mornings and winter days; going far beyond it wastes generation through clipping.
Check the surge rating if you run motors — deep-well pumps, compressors and older air conditioners can draw two to three times their running current for a few seconds at start-up.
Choose a hybrid inverter if a battery is in your plan now or later; retrofitting storage onto a pure grid-tie inverter usually means buying a second unit or an AC-coupled battery system.

What people get wrong

Overlooking the IP rating. An outdoor installation needs at least IP65; indoor-rated units mounted outside fail early.
Buying on peak-watt price alone. A cheap inverter with a narrow MPPT window forces awkward string layouts and can strand a portion of the array.
Ignoring the ambient temperature rating. Inverters derate in heat, so a unit rated 5 kW at 25 °C may deliver noticeably less on a hot roof-adjacent wall at 45 °C.

Price and availability

NS VMIII 4kW Twin Solar Inverter is listed at ₨ 120,000 (PKR). Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.

SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in your country: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports Ns Solar locally before ordering.

NS VMIII 4kW Twin Solar Inverter — frequently asked questions

How much does NS VMIII 4kW Twin Solar Inverter cost?

NS VMIII 4kW Twin Solar Inverter is listed at ₨ 120,000 (PKR). The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.

What are the specifications of NS VMIII 4kW Twin Solar Inverter?

We hold 11 published specifications for this inverter, including voltage range 60VDC ~ 450VDC, rated power 4000VA / 4000W, AC voltage regulation 230VAC ± 10%, battery voltage 24 VDC and frequency range 50 Hz/60 Hz (Auto sensing). The full table is on this page, listed under model WNS-05.

Who makes NS VMIII 4kW Twin Solar Inverter?

NS VMIII 4kW Twin Solar Inverter is a Ns Solar product, listed under inverters with model reference WNS-05. The Ns Solar brand page lists the rest of its range so you can compare across the catalogue.

Is NS VMIII 4kW Twin Solar Inverter right for my system?

That depends on what it has to connect to. For an inverter, check topology — on-grid, off-grid, hybrid or micro, continuous AC output in kW, which caps the load you can run at once and surge or peak rating, which covers the brief inrush of motors and compressors against the rest of your equipment before price enters the decision. Look at the warranty term and what it covers. Five years is the common baseline, ten is offered by stronger brands, and extensions are often cheaper bought with the unit than later.

Where can I buy NS VMIII 4kW Twin Solar Inverter?

SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer — buying in-channel is what keeps the manufacturer's warranty valid.

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