3-Phase 12 kW Hybrid Inverter (48 V, 2 MPPT, WiFi Plug Included)
The SUN-12K-SG04LP3-AU is a 12 kW three phase hybrid inverter for bigger homes and small commercial sites on 3-phase power. It brings together your solar, 48 V battery and grid connection in one smart unit, with two MPPTs for flexible roof layouts and a WiFi plug for easy monitoring.
BSC Renewables can supply, install and commission this inverter as part of a complete solar-plus-battery system designed for Australian conditions.
At a Glance
This model features:
- 12 kW three-phase hybrid inverter ideal for large homes and small commercial site
- Works with 48 V low-voltage batteries (40–60 V), lead-acid or lithium-ion
- Max battery charge/discharge current: 240 A built for serious storage
- 2 MPPTs, up to 18 kW of PV input and 24 kW max PV access (DC oversizing)
- 100% unbalanced output each phase can supply up to 50% of rated power when required
- Supports diesel generator input and AC-coupling to some existing solar systems
- Up to 16 inverters in parallel, on-grid or off-grid
- IP65, wide temperature range, high efficiency (up to 97.6%), AS/NZS 4777.2 compliant with a 10-year warranty
Who Is This Inverter For?
The SUN-12K-SG04LP3-AU is a strong fit if you:
- Have a 3-phase home with big loads – ducted air-con, pool, spa, EV charger, big kitchen gear
- Run a home-based business or small commercial site (workshop, café, office, shed) on 3-phase power
- Want proper battery storage for bill savings and backup, not just a token battery
- Plan to grow over time – more panels, more storage, or even multiple inverters later
Key Benefits of Deye 12 kW three-phase hybrid inverter
1. Big Three-Phase Capacity (12 kW)
This model delivers 12,000 W of AC power across three phases, with the ability to run heavily unbalanced loads (up to 50% of rated power on a single phase).
What that means for you:
- Plenty of headroom when the house or business is “all on at once”
- A solid platform for backup circuits when paired with a suitably sized battery
- Less stress about overloading one phase the inverter is built to handle uneven demand
2. Serious 48 V Battery Performance
It offers 48 V low-voltage battery, 40–60 V range, with 240 A max charge and discharge current for the SUN-12K model.
What that means for you:
- Supports larger 48 V battery banks for real overnight coverage, not just a couple of hours
- Faster charging from solar on good days
- Stronger backup capability in an outage (when designed with an appropriate battery and backup load panel)
3. Two MPPTs and Plenty of Solar on the Roof
The SUN-12K-SG04LP3-AU supports:
- Max DC input power: 18,000 W
- Max PV access power: 24,000 W (DC oversizing)
- 2 MPPT trackers, with independent strings
- MPPT voltage range 200–650 V
What that means for you:
- Panels can be split over two main roof orientations (north/east, north/west, house + shed, etc.)
- Shaded or awkward sections can be isolated so they don’t drag down the rest
- There’s room to slightly oversize the array (within design rules), helping winter and cloudy-day performance
4. Smart Operation & Flexible Energy Management
Deye’s AU info highlights several key features for the 5–12 kW three-phase range:
- Six programmable time periods for battery charge/discharge
- AC-coupling to work alongside some existing solar systems
- Ability to store energy from a diesel generator in suitable designs
- Parallel operation up to 16 inverters, both on-grid and off-grid
What that means for you:
- Your system can be tuned to time-of-use tariffs charge mostly from solar and cheap periods, discharge in peak times
- You can keep a reserve in the battery for outages if your area has flaky supply
- There’s a clear upgrade path if your home or business grows and you need more capacity later
5. Built for Aussie Conditions
From Deye and Australian wholesalers:
- IP65 outdoor rating suited to external walls and meter areas
- Wide operating temperature range (–40 °C to +60 °C, with derating at higher temps)
- High conversion efficiency (up to 97.6%, MPPT efficiency up to 99.9%)
- AS/NZS 4777.2 compliant and listed by local suppliers with a 10-year warranty
What that means for you:
- Designed and approved for Australian conditions when installed by a licensed solar electrician
- A long-term backbone for your solar and battery system, not a short-term experiment
6. Monitoring & WiFi Plug
This model offers communication via WiFi, RS485 and CAN.
What that means for you:
- BSC Renewables can install it with the WiFi plug set up from day one
- You can check live solar production, battery state and grid import/export from your phone or laptop
- Remote data (where available) makes support and tuning easier over the life of the system
Ready to See if This Inverter Suits Your Property?
BSC Renewables designs and installs complete solar and battery systems using quality hardware like the SUN-12K-SG04LP3-AU.
Book a chat or site visit with the BSC Renewables team
We’ll look at your power bills, roof layout and future plans, then let you know whether this 12 kW three-phase hybrid inverter is the right choice – or if another model in the Deye range will suit you better.