Deye 1–4 kW Single-Phase Solar Inverter

Every model here is a single-phase solar inverter built for a house, a shop or a small workshop on a 220/230 V supply. The range runs from 1 kW to 4 kW across ten steps, and all ten sit in the same 6.35 kg case, so sizing up costs nothing in wall space. They begin generating at 80 V, which means the array is working on weak morning light instead of waiting for full sun.

True of every rating

• The same body at every rating: 6.35 kg, 280 x 310 x 184 mm, so the bracket and the wall space never change when you size up.
• Starts generating from 80 V, so the panels earn from first light rather than mid-morning.
• One MPPT tracker, taking up to 550 V and 20 A from the array.
• Sealed to IP65 and cooled by air alone at 35 dB or less, so it can hang on an outside wall with no fan to hear or clean.

Choose your rating

1 kW single-phase solar inverter for a cabin, kiosk or small shop

The smallest step in the range, rated 1 kW and taking up to 1,300 W of panels, which is roughly two or three modern modules. Output tops out at 5 A, so it feeds an ordinary lighting and socket circuit without any switchboard work. Maximum efficiency is 97.3%, and the panel string is designed around a nominal 360 V.

Rated AC power: 1 kW · Max PV input power: 1,300 W · Max AC output current: 5 A · Max efficiency: 97.3%

Model code: SUN-1K-G04P1-EU-AM1

1.5 kW single-phase solar inverter for a small flat or holiday home

Rated 1.5 kW with room for 2,000 W of panels, this step suits a small flat or a weekend house where the daytime load is a fridge, a few fans and lighting. Maximum AC current is 7.5 A and apparent power 1,650 VA. Efficiency peaks at 97.3%, the same as the smaller unit, and the string is built around a nominal 360 V.

Rated AC power: 1.5 kW · Max PV input power: 2,000 W · Max AC output current: 7.5 A · Max apparent power: 1,650 VA

Model code: SUN-1.5K-G04P1-EU-AM1

2 kW single-phase solar inverter to cover a home's daytime base load

At 2 kW rated output and 2,600 W of panel capacity, this is the point where a household starts covering its own daytime running costs rather than just trimming them. It gives 10 A on the AC side and 2,200 VA of apparent power. Peak efficiency is 97.3% and the string sits around a nominal 360 V, so one row of panels does the job.

Rated AC power: 2 kW · Max PV input power: 2,600 W · Max AC output current: 10 A · Max apparent power: 2,200 VA

Model code: SUN-2K-G04P1-EU-AM1

2.2 kW single-phase solar inverter for a 2.9 kW rooftop array

Rated 2.2 kW and accepting 2,900 W of panels, this step exists for arrays that overshoot the 2 kW unit by a module or two. Maximum AC current is 11 A and apparent power 2,420 VA. Efficiency stays at 97.3% like the rest of the lower half of the range, and the string runs at a nominal 360 V.

Rated AC power: 2.2 kW · Max PV input power: 2,900 W · Max AC output current: 11 A · Max apparent power: 2,420 VA

Model code: SUN-2.2K-G04P1-EU-AM1

2.5 kW single-phase solar inverter for a three-bedroom house roof

This rating handles 3,300 W of panels against 2.5 kW of rated output, a comfortable ratio for a roof that loses sun late in the afternoon. Maximum AC current is 12.5 A and apparent power 2,750 VA. It keeps the 97.3% peak efficiency and the 360 V nominal string used by the smaller units in the family.

Rated AC power: 2.5 kW · Max PV input power: 3,300 W · Max AC output current: 12.5 A · Max apparent power: 2,750 VA

Model code: SUN-2.5K-G04P1-EU-AM1

2.7 kW single-phase solar inverter for a 3.5 kW panel array

The last of the 97.3% efficiency group, rated 2.7 kW and taking 3,500 W of panels. AC output reaches 13.5 A with 2,970 VA of apparent power. Take this over the 2.5 kW step when the array plan lands just past 3.3 kW of modules and you would rather not clip the peak on bright, cool days.

Rated AC power: 2.7 kW · Max PV input power: 3,500 W · Max AC output current: 13.5 A · Max apparent power: 2,970 VA

Model code: SUN-2.7K-G04P1-EU-AM1

3 kW single-phase solar inverter, the common size for a family home

The most-asked-for rating in the range, good for 3,900 W of panels against 3 kW of output. This is also where peak efficiency steps up to 97.5% from the 97.3% of the smaller units, so a little more of what the roof makes reaches the meter. Maximum AC current is 15 A and apparent power 3,300 VA, with the string still around a nominal 360 V.

Rated AC power: 3 kW · Max PV input power: 3,900 W · Max AC output current: 15 A · Max efficiency: 97.5%

Model code: SUN-3K-G04P1-EU-AM1

3.3 kW single-phase solar inverter with a 420 V nominal panel string

Rated 3.3 kW with 4,300 W of panel capacity and 97.5% peak efficiency. This is the first step whose string is designed around a nominal 420 V rather than 360 V, so it wants a longer run of panels in series than the smaller units and your layout has to allow for that. Maximum AC current is 16.5 A, apparent power 3,630 VA.

Rated AC power: 3.3 kW · Max PV input power: 4,300 W · Max AC output current: 16.5 A · Rated PV input voltage: 420 V

Model code: SUN-3.3K-G04P1-EU-AM1

3.6 kW single-phase solar inverter for a villa roof, 4.7 kW of panels

Rated 3.6 kW and accepting 4,700 W of panels, this suits a full villa roof where the array is deliberately oversized to hold output up through the middle of the day. Maximum AC current is 18 A and apparent power 3,960 VA. Peak efficiency is 97.5% and the panel string is built around a nominal 420 V.

Rated AC power: 3.6 kW · Max PV input power: 4,700 W · Max AC output current: 18 A · Max apparent power: 3,960 VA

Model code: SUN-3.6K-G04P1-EU-AM1

4 kW single-phase solar inverter, the top step before three-phase

The largest single-phase model, rated 4 kW with 5,200 W of panel capacity and 20 A of AC output, which is about the practical ceiling before a utility asks for a three-phase connection instead. Apparent power is 4,400 VA and peak efficiency 97.5%. It shares the 6.35 kg case with the 1 kW unit, so the install is no heavier than the smallest one here.

Rated AC power: 4 kW · Max PV input power: 5,200 W · Max AC output current: 20 A · Max apparent power: 4,400 VA

Model code: SUN-4K-G04P1-EU-AM1