Sale! Axpert MKS II 5K View larger

Mecer Axpert MKS II 5KW 48V 4000W MPPT

MUS-SOL-I-AX-5NB

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Rated Power5000VA / 5000W 
Maximum PV Array Power4500W
MPPT Range @ Operating Voltage120VDC~430VDC
Maximum PV Array Open Circuit Voltage450VDC
Maximum Solar Charge Current80A
Maximum AC Charge Current80A
Maximum Charge Current80A
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The Mecer MKS is equipped with an MPPT solar charge controller to maximize and regulate DC power from the solar array for charging the battery bank. Transformerless design provides reliable power conversion in compact size. The pure sine wave output enables easy start ups for motor-type loads such as refrigerators, motors, pumps, compressors and laser printers as well as electronic loads like TVs, Computers, power tool and battery chargers.

 

Axpert MKS II 5K

 

 Rated Power5000VA / 5000W 
Maximum PV Array Power4500W
MPPT Range @ Operating Voltage120VDC~430VDC
Maximum PV Array Open Circuit Voltage450VDC
Maximum Solar Charge Current80A
Maximum AC Charge Current80A
Maximum Charge Current80A

 

 

Main Features

 

  • Pure sinewave inverter
  • Output power factor 1
  • Built-in battery equilization function to extend battery life cycle
  • Built-in MPPT solar charge controller
  • Selectable input voltage range for home appliances and personal computers
  • Selectable charging current based on applications
  • Configurable AC/Solar input priority via LCD setting
  • Compatible with mains voltage or generator power
  • Parallel operation with up to 9 units

 2 -year manufacturers carry in warranty.

Questions



questions Iqbal on 28/09/2020
Question: 

Hello, In answers at one place it is mentioned its not hybrid. But at other place its mentioned yes. Can this take power from solar or grid and store in batteries. For example if I want to install solar panels after few months. Can i still benefit from load shedding and this system will work like UPS without Solar panel ?

Answer: 

Hi Iqbal, yes this will do everything you describe above. That is what it is designed to do.

questions Lok liang on 04/09/2020
Question: 

Can this be used in clothing stores and do they go on automatically when it is load shedding?

Answer: 

Hi Lok, yes and yes!

questions Johan on 04/09/2020
Question: 

Can I use the Axpert MKS 11 5Kw without batteries like a grid tie system, only with PV panels? How many panels to start with and how many can I add later to make it work at full capacity?

Answer: 

Hi Johan. You can although it's not designed to do that specifically, you'd be better off with the VMIII which handles that better or a proper hybrid inverter for this purpose. You need a minimum of 4 72-cell panels for reliable operation and can fit around 16 panels max (depending on the panel size).

questions Jacques on 21/08/2020
Question: 

Hi, what is the impulse withstand voltage of this inverter, and can you please provide me with the standards that the inverter is tested in accordance with?

Answer: 

Hi Jacques, surge capacity is 2 x rated power for 5 seconds. Not sure what you mean by the second part, but they do have certificates of conformity in terms of EC Council Directive 2014/30/EU
Electromagnetic Compatibility

questions Theo Basson on 11/08/2020
Question: 

How loud is the Axpert MKS II 5000W/5000VA fan, can it be put in an common room in a house without noise interference coming from the inverter?

Answer: 

Hi Theo, they don't publish dB levels on these inverters, but the fan noise is pretty loud, I certainly wouldn't want it in my lounge!

questions Schalk on 05/08/2020
Question: 

Does this unit come with the monitoring software and cabling included? If not what do I need to monitor and apply settings to the inverter.

Answer: 

Hi Schalk, it comes with PC software and a USB connection wich you can use for this purpose.


It does not come with internet connectivity and monitoring. For this you would need to look at something like the aftermarket ICC.


You can see it here: https://www.solar-shop.co.za/control-and-monitoring/377-inverter-control-center-kit.html

questions Tinus on 29/07/2020
Question: 

Im looking at buying the Axpert MKS II 5KW inverter. 1. Can this unit automatically switch to grid when my pv is not feeding enough power to db? if this is the case will it then run hybrid solar and use grid power for the remaining requirements? 2. also can i put this unit in the house or is it better outside? im planning to add batteries only at a later stage, i will run off the pv during the day and grid at night.

Answer: 

Hi Tinus


1. Yes & yes


2. This inverter does not have an outdoor rating

questions Schalk on 29/07/2020
Question: 

Hi I recently installed a Solis Grid tie inverter with CT clamp to block feedback to the grid. It still keep tripping my prepaid meter after a large appliance switches off. My question: Can you absolutely guarantee that this inverter will not revers feed even 1 Watt of power back to the grid at any time. I need a device that will absolutely block all power from feeding back to the Grid/Prepaid meter.

Answer: 

Hi Schalk, this inverter is a battery inverter, not a grid-tie inverter and is thus not capable of back feeding the grid.

questions kobus on 28/07/2020
Question: 

Hi If I have 8 x 200ah batteries connected (2 sets of 4). How many 330W solar panels do I require to charge the batteries.

Answer: 

Hi Kobus. To charge the batteries you will need to produce 12 x 200Ah x 8Ah *1.15 (for charging inefficiency) = 22kWh (Units) of electricity (roughly).


For most parts of SA you can use a factor of around 4 to 5 sun hours per day for your solar production, so ON AN AVERAGE SOLAR PRODUCTION DAY, you would need a minimum of 22kWh.


If you divide 22kWh by say, 4 sun hours you get 5,5kW. This us the solar array size you will need. Divide by 330W and you will need around 17 panels to generate enough kWh's to fill you batteries up from completely empty. However, bearing in mind that you should only discharge lead acid batteries to 50%, you could well get away with half that number of panels. It will depend on your application.

questions Trevor on 16/01/2020
Question: 

Hi. What happens when the load on a 5000W inverter is exceeded (for example you're drawing 2000W from the PV and 3000W from AC in and further load is added (not surge))? Regards.

Answer: 

Hi Trevor, in terms of this specific inverter, it shuts down completely. Overloading should be avoided.

questions Ronnie Mulder on 25/11/2019
Question: 

Can Li-ion batteries be connected to the Mercer directly with extra peripherals? I intend using 2x5kW Mercer inverters in parallel with 4kW PV and 2x2.4kWh Li-ion batteries.

Answer: 

Hi Ronnie, yes they can. However, if you wan the invertwer to actually read what is going on in the battery software, you will need the aftermarket ICC module:


https://www.solar-shop.co.za/control-and-monitoring/212-inverter-control-center-module.html

questions Lourens Maree on 10/10/2019
Question: 

Good day will it be possible to install 16 x 335 Canadian panels with two strings of 8 on the Axpert MKS II 5K. Also, keep in mind that my pannels will follow the sun from East to West during the day. Regards Lourens

Answer: 

Hi Lourens, yes you can do this with no problem. There will be slight clipping of the production curve under sunny conditions but better performance under less optimal conditions.

questions John McGladdery on 08/09/2019
Question: 

Will the AXpert MKS II 5K system work off just 2 x 330W Canadian panels I have into 4x 120Ah batteries? I aim to add 2 more panels later. Thanks, John

Answer: 

Hi John, no that won't be enough to get the MPPT started. You would need a minimum of 4 for consistent operation.

questions Jay on 15/07/2019
Question: 

What capacity lithium battery and how many solar panels and can one add on to the system?

Answer: 

Hi Jay, you can add around 6kW of panels and 15kWh of storage per inverter

questions Peet on 17/06/2019
Question: 

Is it possible for this inverter to push power back into the grid? Thank you Peet

Answer: 

Hi Peet, no it isn't.

questions Robert on 11/04/2019
Question: 

I have 5000 Watts model. When in 'Line Mode' (utility supplied power) , is the inverter still limiting the max output to 5000 Watts ?

Answer: 

Hi Robert. Yes, it is.

questions Michael Du Preez on 24/02/2019
Question: 

Will I need to get the Inverter Control Centre that performs communication between the battery and inverter software with this unit if I am to use a pylontech battery with it. I am intending on using the unit without PV for now, just grid charging?

Answer: 

Hi Michael. The Pylontech batteries can be safely used with the Axpert inverter without the ICC, BUT, the Axpert doesn't have the ability to communicate with the Pylontech BMS. Therefore it just "guesses" the battery state of charge based on the voltage on the battery terminals, which is not very accurate. The ICC, besides giving you remote monitoring, also reads the Pylon BMS and then instructs the Axpert to act in accordance with the actual Pylon SOC.

questions Gert Wilhelmus Marais on 19/02/2019
Question: 

Does the Axpert MKS II 5K come with grit tie limiting function? Working with prepaid meter system.

Answer: 

Hi Gert. The Axpert isn't a grid tie inverter and can't export power, so works fine with a prepaid meter. 

questions Danie Fourie on 12/12/2018
Question: 

Can you use this inverter without batteries (as a grid-tie inverter)? Utilising the grid power if solar provided power is not sufficient?

Answer: 

Hi Danie, It's not grid tied in the sense that it won't feed power back to the grid, but it will supplement the solar power with grid power when necessary. Check out this link to see it in action:


https://www.solar-shop.co.za/content/11-axpert-voltronics-power-use 

questions Jaco on 29/10/2018
Question: 

Does the Axpert MKS II 5K come Parallel Installation ready (for installing two units), and if not can we get the "kit" with a price for it from you? I was unable to find it on your website.

Answer: 

Hi Jaco. These inverters come with the parallel card already installed. 

questions Jaco on 29/10/2018
Question: 

Last question: apart from the price what is the difference between the Axpert MKS II 5K and the Axpert MKS 5K?

Answer: 

Hi Jaco. The difference here is that the MKS II has a much larger MPPT operating voltage. This means that you can connect multiple panels in series and simply connect them to the input of the machine, rather than having to parallel panels as you do with the regular MKS. This results in a much simpler installation process and considerable savings on connectors, combiner boxes, etc. 

  

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