Delta solar inverters reviews

Based on 116 ratings Aus Ranking

  • 5 star 52
  • 4 star 54
  • 3 star 2
  • 2 star 4
  • 1 star 4

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About Delta, Solar Inverters

Delta solar inverters review

Delta Customer Service: 1300 335 823

Delta Energy Systems is a a subsiduary of multi-billion dollar global company Delta Electronics Group. It makes all sorts of industrial, medical and consumer electronics as well as solar inverters.

The company commenced operation in 1971 and has been producing solar inverters since 1999. For the residential market, Delta's H series (Home Series) is the current line, available in capacities from 2.5kW to 5kW. The company also offers the E5 that can be paired with its Bx6.0 battery.

Back in the day, when I worked as a control engineer in a nuclear power station, we used Delta power supplies for reactor control systems. In my experience, they know how to make reliable electronics!

One of the strengths of Delta inverters is that they can get jolly hot (65 degrees celsius) without derating. So they are a good pick in the hotter parts of Australia.

Delta Inverter Warranty Notes

A 5 year warranty is offered on Delta Home Series solar inverters (and its Hybrid E5).

The company's Australian office is located in Notting Hill, Victoria, so local warranty support should not be a problem. However, the first point of contact for warranty issues should be the business that installed your Delta solar inverter, as they bear the responsibility for warranty work.

In the scenario the installer/company is no longer around or otherwise uncontactable, Delta advise that Australian should contact their warranty department on the number listed above.

Delta will then email the customer a warranty claim form, which needs to be filled in and returned. Delta will then arrange for the repair/replacement of the inverter.

Delta Solar Inverter Reviews

Constant downtime requiring manual resetting. Would strongly NOT recommend
Bought From: United Energy Solutions
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Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Sky Power Energy Show additional information
The WiFi connectivity is a great feature. The app is not the most user friendly, but it provides the info I need. I believe a new version is on the horizon. The Delta M6A inverter is silent - no fans, which was a plus for me.
Bought From: Advanced Solar Technology (North)
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Bought From: SEA Solutions Australia Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Waltlec Show additional information
We had an issue with the inverter after about 3 months where we could not read the output in the Delta app
The first call was to Advanced Solar technology however we were urged to contact Delta directly?
We called Delta and they promptly gave us the fix over the phone (probably 15 minutes) and the app now reads the inverter as previously.

We are concerned that Advanced Sloar should have known the fix and this would have saved the call to Delta.
Advanced solar stated that to fix the problem they would need to come out and charge a minimum hour rate?
There is no after sales service unless you pay
Bought From: Advanced Solar Technology (North)
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Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Sunwise Energy Show additional information
No problems with the invertor, my problem is trying to understand the delta app, example: 35.840 Watt Hours produced today = how many Kilowatts.
Bought From: Solar Spirit
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Bought From: Advanced Solar Technology (North) Show additional information
Errors and trip-out in first few weeks but sorted by Solaire Connect
Bought From: Solaire Connect
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Bought From: Arkana Energy Group Show additional information
Bought From: Electric Cool Geraldton Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Your Choice Solar Show additional information
wish they would improve their app, but not really a big deal as we use PowerPal
Bought From: Advanced Solar Technology (North)
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Very unobtrusive and quiet unit.
Bought From: Advanced Solar Technology (North)
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Bought From: Advanced Solar Technology (North) Show additional information
Bought From: GT Solar Show additional information
Bought From: United Solar Energy Show additional information
Great thing is going through Advanced solar technology. You get a 10year warranty instead of 5.
Bought From: Advanced Solar Technology (North)
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Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
Great to have wifi compatible inverter’s where I can see updated info from wherever I am
Bought From: United Solar Energy
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Bought From: United Solar Energy Show additional information
Bought From: Advanced Solar Technology (North) Show additional information
On a day when the electricity provider had a maintenance day the inverter could not even power itself therefore we had no electricity that day!
Bought From: United Solar Energy
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The delta inverter died in December. Delta sent out a replacement but when wired, it proved faulty too. Delta sent out inverter 3. Yep, faulty as well. Inverter 4 arrives in March- finally one that works. Meanwhile we score a large power bill. We ask Delta for assistance- didn’t want to know us. 3 faulty products and no consideration for the expense incurred due to their sub standard product . Not happy. Solar installers were great- product shoddy.
Bought From: Solaris Solar Energy
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Very impressed we can download information using the built in Wifi system.
Bought From: Proven Energy
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The inverter has worked 100% since installation.
Bought From: Advanced Solar Technology (North)
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Bought From: Oz Solar World Show additional information
Bought From: United Solar Energy Show additional information
Bought From: United Solar Energy Show additional information
I have 2 inverters & one is not working at all & the other one i cannot program with my phone to find out how much power it is creating. I had these installed in the beginning of December & still i have not had this repaired.
Bought From: United Solar
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Bought From: KillaWatts Show additional information
Bought From: Marriott Pacific Electrical Show additional information
Bought From: Supercharged Solar Show additional information
Bought From: Green Wiring Show additional information
Bought From: Supercharged Energy Show additional information
Bought From: ShineHub Show additional information

Delta has 20 solar inverters in our database

Model DC Voltage AC Power Efficiency
DDP-260AB-1 A5926096.00
DDP-260AB-2 A5926095.00
DDP-260AB-2 B5926095.00
EOE45010272 (Solivia 2.5APG3)540 Max249096.00
EOE46010259 (Solivia 3.0APG3)540 Max300096.00
EOE46010260 (Solivia 3.3APG3)540 Max 3300 96.00
EOE46010301 (Solivia 5.0APG3)150-540 498095.60
RPI H3A_02X600V3000VA97.50
RPI H3A_12X600V3000VA97.50
RPI H4A_02X600V4000VA97.50
RPI H4A_12X600V4000VA97.50
RPI H5A 020600V5000VA97.50
RPI H5A_02X600V4000VA97.50
RPI H5A_12X600V5000VA97.50
RPI-H3550300097.00
RPI-M15A10001500098.30
RPI-M20A1000 2000098.30
RPI-M301000V30000VA98.20
SOLIVIA15EUG4TL/EOE4801036210001500098.00
SOLIVIA20EUG4TL/EOE480103641000Vdc2000098.00
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