Description
Sungrow SH125CX 125 kW Three-Phase Hybrid Inverter
The Sungrow SH125CX is a 125 kW three-phase hybrid inverter for commercial and industrial PV installations with DC-coupled energy storage.
It includes 10 MPPTs, supports up to 250 kWp of PV input power and has a maximum efficiency of 98.6%. Features include AFCI 3.0+, PID Zero, IP66 protection and backup transfer within 10 ms under Sungrow-specified conditions.
Scope of Supply
Sold per inverter. PowerKeeper battery modules, accessory kits and all other required equipment are sold separately.
Main Features
125 kW Three-Phase
Rated output power for commercial and industrial projects.
10 MPPTs
Ten independent trackers with two PV strings per MPPT.
Up to 250 kWp PV
Maximum PV input power subject to Sungrow design limits.
DC-Coupled Storage
Integration with compatible PowerKeeper battery modules and accessories.
Backup ≤10 ms, AFCI and IP66
Backup and protective features specified by the manufacturer.
PV Input
- Maximum PV input voltage: 1,100 V.
- Minimum / startup voltage: 180 / 200 V.
- Rated input voltage: 600 V.
- MPPT voltage range: 180–1,000 V.
- 10 MPPTs with 2 strings per MPPT.
- Maximum input current: 40 A × 10 MPPTs.
- Maximum short-circuit current: 50 A × 10 MPPTs.
- Maximum current per DC connector: 30 A.
- DC connector: MC4, maximum cable cross-section 6 mm².
Refer to the manufacturer manual for the full-load MPPT range.
Battery and Storage
- Battery type: lithium-ion.
- Battery voltage range: 129–880 V.
- Maximum charge / discharge current: 200 / 200 A.
- Maximum charge / discharge power: 125 / 125 kW.
- Battery communication: CAN.
- Minimum battery voltage for black start: 270 V.
- Available charge and discharge current and power depend on the battery and system configuration.
The inverter can be integrated into Sungrow PowerKeeper; batteries and accessories are sold separately.
AC Output and Backup
- Rated AC power: 125 kW.
- Three-phase connection: 3 / N / PE, 220 / 380 V or 230 / 400 V.
- Rated frequency: 50 / 60 Hz.
- Rated backup power: 125 kW.
- Backup switchover: ≤10 ms.
- Maximum backup overload: 1.5 times rated power for 10 seconds.
- Up to 100% unbalanced three-phase output, subject to system conditions.
Available backup power depends on battery status and system configuration.
Protections and Functions
- AFCI 3.0+ with detection distance up to 600 m.
- Individual PV string protection and PV ground fault protection.
- PV and battery reverse polarity protection.
- Surge protection: DC type I+II and AC type II.
- Grid, PV string current and ground fault monitoring.
- PID Zero anti-PID technology.
- Time-of-use, dynamic pricing and virtual power plant functions, subject to configuration and service availability.
General Data and Communications
- Dimensions: 1,095 × 795 × 360 mm.
- Weight: ≤128 kg.
- Installation: wall-mounted.
- Protection: IP66; C5 corrosion resistance.
- Cooling: smart forced-air ventilation.
- Ambient operating temperature: -30 °C to +60 °C.
- Maximum operating altitude: 3,000 m.
- Typical noise: ≤65 dB(A).
- LED indicators and setup via Bluetooth and app.
- Logger communication: RS485.
- Logger to iSolarCloud: WLAN, Ethernet or optional 4G.
- Digital inputs / outputs: 2 DI / 3 DO.
Related PowerKeeper Components
Select components according to the project design. The Slave IEC Kit is used when required, and the SH50/80CX is an alternative inverter option.
Technical Documentation
