SAJ HS3-6K-T2-W/G-PX
Description
Furniture-grade single-column integration with internal busbars.
SAJ HS3-5K-T2-W/G-PX is a 5 kW three-phase All-in-One modular hybrid inverter unit delivering 10 kWp solar intake across dual 20 A MPPT channels, engineered to stack cable-free atop BU3 battery bricks in a slim 17 cm column.
20 A High-Current Dual MPPTs (Isc 25 A), 100% compatible with modern 600W+ high-power bifacial panels with zero DC current clipping.
Cable-Free Modular Tower Stacking
Interlocks mechanically and electrically with battery bricks directly beneath the chassis, eliminating exposed high-voltage DC conduit.
10,000 Wp Solar PV Input (200% Oversizing)
Double solar intake ensures rapid battery charging and domestic self-consumption even on overcast winter days.
Ultra-Slim 17 cm Column Depth
Furniture-grade vertical column hugs residential garage and utility room walls closely.
More product details
Traditional hybrid installations require wall-mounting an inverter, floor-standing a battery, and running multiple high-voltage DC conduits and communication cables between them. The HS3 integrates everything into a single vertical column.
- Internal push-in busbars pass high-voltage power and communication directly between inverter and battery modules.
- Eliminates exposed high-voltage DC wiring on garage and utility room walls, maximizing residential safety.
- Ultra-slim 17 cm profile preserves floor space in narrow domestic garages and utility corridors.
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4 models
Rated AC power
5 kW
6 kW
8 kW
10 kW
Phase
3L+N+PE
3L+N+PE
3L+N+PE
3L+N+PE
MPPT trackers
2
2
2
2
Max. efficiency
98.0 %
98.0 %
98.0 %
98.0 %
Battery voltage
380-500 V
380-500 V
380-500 V
380-500 V
Ingress protection
IP65
IP65
IP65
IP65
Weight
34 kg, inverter only
34 kg, inverter only
34 kg, inverter only
34 kg, inverter only
Dimensions
450*695*170 mm (H*W*D), inverter only
450*695*170 mm (H*W*D), inverter only
450*695*170 mm (H*W*D), inverter only
450*695*170 mm (H*W*D), inverter only
20 A high-current tracking with 200% solar oversizing.
Modern large-format solar panels produce operating currents exceeding 14 A. The HS3 features dual 20 A MPPT channels (Isc 25 A) to capture 100% of solar generation across 10 kWp arrays. Dual 20 A MPPT channels optimize multi-pitch residential stringing without current clipping. Wide MPPT window (180–900 V) optimizes harvest across extreme seasonal temperature swings. IP65 cast-aluminum casing certified for clean indoor or sheltered outdoor installations (-40 to +60 °C).
BU3 is the listed battery.
One to eight BU3-5.0-TV2-PRO modules on the 380-500 V port. Discharge at this rating is 15.8 A.
Backup at 5 kW.
Continuous backup matches the AC rating, with a 7.5 kVA peak for 60 seconds when the grid drops.
Technical data
Furniture-grade energy management combining high-capacity solar harvesting with cable-free battery integration.
20 A dual MPPT intake in a slim, modular All-in-One three-phase tower.
Designed as the top power stage for SAJ's flagship HS3 modular column, the HS3-5K-T2-W/G-PX features high-current 20 A MPPT inputs built for modern large-format solar panels. It stacks directly onto BU3-5.0-TV2-PRO battery modules, completely eliminating external cables, conduit runs, and wall-mounting clutter.
- Continuous 3-Phase Power
- 5,000 VA
- 200% Solar DC Intake
- 10,000 Wp
- High String Current
- 20 A / MPPT
- External DC Conduits
- Zero
Inverter
- Series
- HS3
- Kw
- 5
- Phase
- 3
- AC output power
- 5 kW
- Max apparent power
- 5.5 kVA
- Backup power
- 5 kW
- Peak backup power
- 7.5 kVA (60 s)
- Rated output current
- 7.2 A @230Vac
- Max output current
- 8.0 A
- Max efficiency
- 98.0 %
- Euro efficiency
- 97.6 %
- Topology
- Non-isolated
- Phases
- 3L+N+PE
Solar Input
- MPPT trackers
- 2
- Max a mppt
- 20
- Max PV input power
- 10 kWp
- Max PV input voltage
- 1000 V
- MPPT voltage range
- 180-900 V
- Start voltage
- 180 V
- Max Isc per MPPT
- 25 A
Battery
- Bat module
- BU3-5.0-TV2-PRO
- Bat kwh
- 5-40
- Bat modules
- 1-8
- Battery type
- LiFePO4
- Battery voltage range
- 380-500 V
- Max battery charge current
- 30 A
- Max battery discharge current
- 15.8 A
Physical
- Dimensions
- 450*695*170 mm (H*W*D), inverter only
- Weight
- 34 kg, inverter only
- Heating
- Yes
- IP rating
- IP65
- Operating temperature
- -30 to +50
- Communication
- Wi-Fi/Ethernet/4G(Optional)
Project fit
Where this model fits.
Scenarios that show which projects the SAJ HS3-5K-T2-W/G-PX belongs in, what to verify before quoting, and when another model is the better pick.
Project scenario
Modern Single-Family Residences (6–10 kWp PV) Seeking Clean Aesthetic Integration
Homeowners who reject industrial-looking wall clutter and demand a sleek, furniture-grade energy storage tower in their garage or utility corridor.
Stacks inverter and batteries into a single clean 17 cm deep column, with zero visible DC wiring.
What Linker confirms with you
- Confirm this model against the adjacent rating in the same family
Documents
SAJ HS3 Three Phase All-in-One datasheet (UK, EN) SAJ HS3 5-12K T2 Three-Phase Battery Storage Datasheet EN SAJ HS3 (3K-12K) T2 Three-Phase ESS User Manual (EN, EU)Product questions
What battery modules are compatible with the HS3-5K-T2-W/G-PX?
Exclusively compatible with SAJ BU3-5.0-TV2-PRO battery modules. The HS3 series is an integrated All-in-One architecture. The inverter unit stacks directly onto SAJ BU3-5.0-TV2-PRO (5.0 kWh) battery modules using internal busbar connectors. It cannot be paired with standalone B2-HV1 or B2-HV5 batteries.
How many battery modules can be stacked in a single HS3 column?
Stacks from 1 to 5 modules (5.0 kWh up to 25.0 kWh). You can stack between 1 and 5 BU3 battery bricks beneath the inverter unit, scaling storage from 5.0 kWh up to 25.0 kWh while maintaining the same 17 cm ultra-slim floor footprint.
System components
Recommended components
SAJ BU3-5.0-TV2-PRO battery modules (up to 8, 5.0–40.0 kWh)
Item number: DLK-SAJ-BU350TV2PRO
SAJ's HS3 datasheet scalability row: 'BU3-5.0-TV2-PRO, up to 8 battery modules.' HS3 does not take the BU2 (SAJ's own Configuration Instructions confirm the HS2-only BU2 pairing separately).
Chint DTSU666 three-phase meter
Item number: DLK-CHINT-DTSU666
Same DTSU666 model SAJ specifies in its own accessories catalogue; HS3 is a three-phase unit.
Optional components
SAJ ATS1-T63-A automatic transfer switch (three-phase, 63A)
Item number: DLK-SAJ-ATS1T63A
ATS1's own datasheet compatible-inverter row lists HS3-5/6/8/10/12K-T2-W/4G-EX by name.
