Hybrid inverter Three-phase LV
SG05LP3 Three-Phase Hybrid · 14–20 kW
SUN-14/16/18/20K-SG05LP3-AU
14–20 kW
48 V low-voltage three-phase hybrid, 14–20 kW. 100% unbalanced output per phase, dual MPPT with up to 350 A battery current, and up to 10 units in parallel — the larger-frame LV three-phase hybrid for big residential and light-commercial sites.
CommercialResidential
- Rated AC power
- 14 / 15 / 16 / 18 / 20 kW
- Phase
- Three (230/400 V, 240/415 V)
- Battery
- 48 V (40–60 V), up to 350 A
- Max. PV input power
- 22.4–32 kW
- Unbalanced output
- 100% per phase
- Max. efficiency
- 97.6%
- Parallel
- Up to 10 units
- Warranty
- 10 years
Specs auto-extracted from the datasheet — confirm against the linked PDF before quoting.
Specifications
Battery input
- Battery type
- Lead-acid or Lithium-ion (self-adaption to BMS)
- Battery voltage range
- 40–60 V
- Max. charge / discharge current
- 260 / 280 / 300 / 330 / 350 A
- Number of battery inputs
- 2
PV input
- Max. PV access power
- 28000 / 30000 / 32000 / 36000 / 40000 W
- Max. PV input power
- 22400 / 24000 / 25600 / 28800 / 32000 W
- Max. PV input voltage
- 800 V
- Start-up voltage
- 160 V
- MPPT voltage range
- 160–650 V
- Rated PV input voltage
- 550 V
- Max. operating PV current
- 36+36 A
- Max. input short-circuit current
- 54+54 A
- No. of MPP trackers / strings
- 2 / (2+2)
AC output
- Rated AC input/output active power
- 14000 / 15000 / 16000 / 18000 / 20000 W
- Max. AC apparent power
- 14000 / 15000 / 16000 / 18000 / 20000 VA
- Rated AC input/output current
- 20.3 / 21.8 / 23.2 / 26.1 / 29 A
- Grid voltage / range
- 230/400 V · 240/415 V, 0.85Un–1.1Un
- Grid frequency / range
- 50 Hz (45–55 Hz)
- Grid connection
- 3L + N + PE
- Unbalanced output
- 100% per phase, max. output up to 50% rated power each
- Max. continuous passthrough (grid→load)
- 70 A
- Peak power (off-grid)
- 2× rated, 10 s
- Power factor adjustment range
- 0.8 leading to 0.8 lagging
- THDi
- <3%
Efficiency
- Max. efficiency
- 97.6%
- Euro efficiency
- 97.0%
- MPPT efficiency
- >99%
General
- Operating temperature
- −40 to +60 °C (derating >45 °C)
- Permissible humidity
- 0–100%
- Permissible altitude
- 3000 m
- Noise
- <60 dB
- Surge protection
- Type II (DC), Type II (AC)
- Protection degree
- IP65
- Topology
- Non-isolated
- Cooling
- Intelligent air cooling
- Dimensions (W×H×D)
- 456 × 750 × 268.5 mm
- Weight
- 51.9 kg
- Communication
- WiFi, RS485, CAN
- Grid standard
- AS/NZS 4777.2
- Warranty
- 10 years
Highlights
- 100% unbalanced output — each phase can independently supply up to 50% of rated power.
- 48 V low-voltage battery with transformer-isolation design and up to 350 A charge/discharge current across two battery inputs.
- Up to 10 units in parallel for on-grid and off-grid operation, with support for multiple batteries in parallel.
- AC-coupling to retrofit an existing solar system, plus support for storing energy from a diesel generator.
- Six charge/discharge time periods for time-of-use and VPP scheduling.
Figures are from the official Deye SUN-14/16/18/20K-SG05LP3-AU datasheet — confirm the exact variant against the linked datasheet before quoting or commissioning.
