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Sungrow SG110CX-P2 Three-Phase String Inverter

Sungrow Power Supply Co., Ltd. · Model SG110CX-P2 · New Energy: EV, Solar & Energy Storage

Verified 12 Sept 2026

110 kW commercial string inverter with 9 MPPTs and 98.6% peak efficiency

The SG110CX-P2 is a three-phase multi-MPPT string inverter rated at 110 kW AC output with nine MPPTs and a 1100 V DC maximum input voltage. Sungrow rates maximum efficiency at 98.6% and China efficiency at 98.0%, with IP66 enclosure protection and smart air cooling. The unit is transformerless, supports bifacial modules and includes built-in PID recovery.

Highlights

110 kW rated AC output and up to 121 kVA maximum apparent power
9 MPPTs with 2 strings per MPPT for flexible commercial array design
98.6% maximum efficiency and 98.0% China efficiency
1100 V DC maximum input voltage with 180-1000 V MPPT range
IP66 enclosure, C5 anti-corrosion and Type II DC/AC surge protection
Compatible with bifacial modules and fitted with built-in PID recovery

Technical parameters

Electrical

Maximum PV input voltage	1100 V
Rated PV input voltage	640 V
MPPT voltage range	180 - 1000 V
Number of MPPTs	9
Max input current	270 A (9 x 30 A)
Max DC short-circuit current	360 A (9 x 40 A)
Rated output power	110 kW
Max output power	121 kW
Max output apparent power	121 kVA
Max output current	183.3 A
Rated grid voltage	3 / N / PE, 230 / 400 V
Grid voltage range	320 - 480 V
Rated grid frequency	50 Hz / 60 Hz
Power factor	> 0.99 at rated power

Efficiency

Maximum efficiency	98.6%
China efficiency	98.0%
Total current waveform distortion	< 3% at rated power

Mechanical

Dimensions (W x H x D)	1020 x 795 x 360 mm
Weight	82 kg
Ingress protection	IP66
Cooling method	Smart air cooling
Isolation	Transformerless

Performance

Operating temperature range	-30 to +60 C
Max operating altitude	4000 m (derating above 3000 m)
Night-time self-consumption	<= 4 W
Surge protection	DC Type II / AC Type II
Communication	RS485 / 4G (optional)

Applications

Commercial and industrial rooftop PV plants
Ground-mount distributed PV projects up to 110 kW per unit
Solar carports and warehouse rooftop arrays
Bifacial module installations requiring multi-MPPT tracking
PV plants with DC 2-in-1 string combining
Retrofit and expansion projects on constrained AC cable runs

Manufacturer

Sungrow Power Supply Co., Ltd., Hefei, Anhui · https://www.sungrowpower.com

Sungrow Power Supply Co., Ltd. is a Hefei-based power electronics manufacturer founded in 1997 that produces PV string inverters, central inverters, energy storage systems and floating PV solutions. Its registered headquarters address is No.1699 Xiyou Rd, High-tech Industry Development Zone, Hefei, Anhui Province. The company supports customers through regional service offices in Europe, the Middle East, the Americas, Australia and Asia.

Sources

https://www.sungrowpower.com/in/en/products/string-inverter/b-sg110cx
https://info-support.sungrowpower.com/dev-unzip/20220520114504989/SG110CX-P2-CN/A_Technical_Data.html