Solar inverter 3F, 12kW, 2MPPT, SG12RT SUNGROW / 05-7781 / Inverter, accumulator

Product ID: 05-7781

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1081.20€/pcs

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1590.25€

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Updated 18.12.2025 11:42

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Specifications
Description
Documentation
Reviews

Input (DC)

Recommended max. PV input power: 18kWp
Max. PV input voltage: 1100V
Min. PV input voltage / Start-up input voltage: 180V / 180V
Rated input voltage: 600V
MPP voltage range: 160V-1000V
No. of independent MPP inputs: 2
No. of PV strings per MPPT: 2/1
Max. PV input current: 37.5 A (25 A / 12.5 A)
Max. DC short-circuit current: 48 A (32 A / 16 A)
Max. current for input connect: 30A

Output (AC)

Rated AC output power: 12 000W
Max. AC output apparent power: 13 200VA
Rated AC output apparent power: 13 200VA
Max. AC output current: 20A
Rated AC output current (at 230V): 17.4A
AC voltage range: 180-276V / 311V-478V
Rated grid frequency: 50 Hz / 60 Hz
Grid frequency range: 45 – 55 Hz / 55 – 65 Hz
Harmonic (THD): <3 % (at rated power)
Power factor at Rated power / Adjustable power factor: >0.99/0.8 leading – 0.8 lagging
Feed-in phases / Connection phases: 3 / 3-PE

Efficiency

Max. efficiency: 98.5%
European efficiency: 97.90%

General Data

Dimensions [WxHxD]: 370x480x195 mm
Weight: 18 kg
Mounting method: Wall-mounting bracket
Topology: Transformerless
Degree of protection: IP65 - moisture protected
Night power consumption: < 6 W
Corrosion: C5
Operating ambient temperature range: -25 ℃ to 60 ℃
Allowable relative humidity range (non-condensing): 0% – 100%
Cooling method: Natural cooling
Max. operating altitude: 4000 m
Display: LED
Communication: WLAN / Ethernet / RS485 / DI / DO
DC connection type: MC4 (Max. 6 mm² )
AC connection type: Plug and play

HIGH YIELD

Lower startup & wider MPPT voltage
Compatible with bifacial modules
Built-in PID recovery function

SAFE AND DURABLE

Quick arc fault circuit interrupter
Build-in Type II DC & AC SPD
High anti-corrosion rating C5

SMART MANAGEMENT

Smart IV curve scanning
24 / 7 Live monitoring
Remote firmware updates

EASY AND USER FRIENDLY

18 kg compact design
Unique push-in connectors
Fast and easy commissioning via App

Product data sheet

425.84 KB

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