Deye SUN-12K-SG04LP3-EU
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Technical specifications
The Deye SUN-12K-SG04LP3-EU hybrid inverter is a three-phase, low-voltage (48V) inverter that enables increased energy independence and optimizes the direction of energy flow between various sources and consumers. Its compact design and high power density result in a favorable DC/AC ratio of 1.3, which translates into investment savings. Additionally, the inverter supports three-phase unbalanced output, broadening its range of application scenarios.
Downloads
- Other
- Certyfikat-zgodnosci-Deye-SUN-512K-SG04LP3-EU.pdf
File size: 617 KB
- Deye-SUN-5k-6k-8k-10k-12K-SG04-LP3-USER-MANUAL.pdf
File size: 7 MB
- KARTA-KATALOGOWA-EN.pdf
File size: 337 KB
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Variants

Product description
The Deye SUN-12K-SG04LP3-EU hybrid inverter is a three-phase, low-voltage (48V) inverter that enables increased energy independence and optimizes the direction of energy flow between various sources and consumers. Its compact design and high power density result in a favorable DC/AC ratio of 1.3, which translates into investment savings. Additionally, the inverter supports three-phase unbalanced output, broadening its range of application scenarios.
Advantages of the Deye SUN-12K-SG04LP3-EU three-phase hybrid inverter:
Full unbalanced power for each phase, reaching maximum output up to 50% of rated power.
Integration of both AC and DC power to upgrade existing solar systems.
Supports simultaneous operation of up to 16 units on-grid and off-grid; supports parallel connection of multiple batteries.
Max. charging/discharging current: 240 A
48 V low-voltage battery with transformer isolation.
6 periods for battery charging/discharging.
Diesel generator energy storage support.
Technical specifications of the Deye SUN-12K-SG04LP3-EU three-phase hybrid inverter:
Battery type: Lead-acid or lithium-ion
Battery voltage range (V): 40~60
Max. charging current (A): 240
Max. discharging current (A): 240
External temperature sensor: Yes
Charging curve: 3 stages / equalization
Max. DC input power (W): 15600
PV nominal input voltage (V): 550 (160~800)
Start-up voltage (V): 160
MPPT range (V): 200-650
DC voltage range at full load (V): 350-650
PV input current (A): 26+13
Max. PV ISC (A): 34+17
Number of MPPT / strings per MPPT: 2/2+1
AC Output Data
Rated AC output & UPS power (W): 12000
Max. AC output power (W): 13200
Rated AC output current (A): 18.2
Max. AC current (A): 20
Max. continuous AC passthrough current (A): 45
Peak power (off-grid): 2x rated power for 10s
Power factor: 0.8 leading to 0.8 lagging
Output frequency & voltage: 50/60Hz; 3L/N/PE 220/380, 230/400Vac
Grid type: Three-phase
Max. efficiency: 97.60%
Output overvoltage protection: DC Type II / AC Type III
Operating temperature range (°C): -45~60℃, >45℃ derating
Noise (dB): < 45 dB
Communication with BMS: RS485; CAN
Weight (kg): 33.6
Dimensions (mm): 422 W x 699.3 H x 279 D
Protection rating: IP65
Mounting style: Wall-mounted
Warranty: 5 years