Illustration

String inverterSungrow

Sungrow SG60CX-US

Name: Sungrow SG60CX-US
Brand: Sungrow

String inverter. 2 models, 36 kW–60 kW AC at 480 V.

UL 1741 SBCEC listed · Dec 21, 2020Rapid shutdown

Model

Rated AC power60 kW
CEC weighted efficiency98.0%
Max DC input1,000 V

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 2 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
SG36CX-US	36 kW	480 V	36 kW	36 kW	98.0%	550–850 V	Dec 21, 2020	SB
SG60CX-US	60 kW	480 V	60.2 kW	60.2 kW	98.0%	550–850 V	Dec 21, 2020	SB

DC input (PV side)

Sungrow datasheet · CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

Max DC input voltage1,000 V
MPPT operating range200–1,000 V
CEC test DC voltages (min / nom / max)550 / 710 / 850 V
Strings per MPPT2
Max short-circuit current45 A
DC input at rated output (CEC test)61.4 kW

AC output (grid side)

CEC Grid Support Inverter List (Oct 7, 2026) · Sungrow datasheet

Rated AC power60 kW
CEC-measured continuous output60.2 kW
Grid voltage480 V
Phase3-phase 480 V
AC voltage range422–528 V

Efficiency

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

CEC weighted efficiency98.0%
Night-time standby (tare)3.38 W
Power to start converting112.5 W

CEC weighted efficiency is measured by an accredited lab at six power levels and three DC voltages — the number to compare between inverters.

Grid & smart-inverter certification

CEC Grid Support Inverter List (Oct 7, 2026) · Sungrow datasheet

UL 1741 SB (3rd ed.)Yes — CSA Group, certificate Oct 14, 2022
UL 1741 SA (SA8–SA13)Yes — CSA Group
Firmware tested (SA)MDSP_AGATE-S_V11_V01_A
Volt-VAr with reactive power priority (SA13)Yes
Freq-Watt / Volt-Watt (SA14–15)Yes
Disable permit service / limit active power (SA17–18)Yes
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Dec 21, 2020)
CEC listedDec 21, 2020
Last CEC updateSep 23, 2024
Standards listed on the datasheetUL 1741, UL 1741 SA, IEEE 1547, UL 1998, FCC Part 15, CA Rule 21, NEC 690.12 (rapid shutdown)

UL 1741 SB is required for new interconnections in California (Rule 21) since 2026.

Safety & protection

Sungrow datasheet

Rapid shutdown (NEC 690.12)Yes (NEC 690.12, datasheet)
Arc-fault protection (UL 1699B)Yes (datasheet)

Monitoring & communication

Sungrow datasheet

InterfacesWi-Fi, Ethernet, RS485, Modbus, SunSpec, Bluetooth

Size, weight & environment

Sungrow datasheet

Weight119 lb (54 kg)
CoolingFan-cooled
Operating temperature−30 to +60 °C

Panel compatibility & string sizing

Sungrow datasheet · NLR PVWatts v8 · CEC PV Module List · Cali-Graf calculation

CityColdest air, °CHottest cell, °C

SG60CX-US: max DC 1,000 V · MPPT 200–1,000 V (datasheet)

Most-permitted panels in Southern California

Panel	Power	Voc cold	Vmp hot	Panels per string	Installed together
Qcells Q.PEAK DUO BLK ML-G10.C+ 410	410 W	48.1 V	30.6 V	7–20	—
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 V	30.6 V	7–20	—
LONGi LR5-54HABB-400M	400 W	39.3 V	25.3 V	8–25	—
JA Solar JAM54S31-405/MR	405 W	39.4 V	25.5 V	8–25	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 V	27 V	8–24	—
Silfab Solar SIL-440QD	440 W	41.1 V	28 V	8–24	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 V	28 V	8–24	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 V	28 V	8–24	—
REC Group REC460AA Pure-RX	460 W	68.8 V	47.1 V	5–14	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 V	25.3 V	8–25	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 V	28 V	8–24	—
Tesla TSP-420	420 W	43.4 V	27.7 V	8–23	—

Voltage check only, from CEC panel data and NLR weather for the city. Final design must follow the inverter manual and NEC 690.7.

Compare with similar 60 kW inverters

CEC Grid Support Inverter List (Oct 7, 2026) · building permits

Inverter	Power	CEC weighted eff.	DC test window	UL 1741 SB	Latest CEC	SoCal permits
Sungrow SGxxCX-US	36 kW–60 kW	98.0%	550–850 V	Yes	2020	0
SolarEdge SExKUS	9 kW–330 kW	99.0%	100–1,400 V	16 of 19	2025	14
CPS (Chint Power Systems) CPS SCAxxKTL-DO/US-480	36 kW–60 kW	98.5%	400–850 V	Yes	2023	3
Solis (Ginlong Technologies) Solis-xxK-5G-US	75 kW–100 kW	98.5%	550–850 V	No	2020	3
SMA STP xx-US-80	27.5 kW–70 kW	97.5%	300–850 V	Yes	2026	—

Same type and grid voltage, power range covering this model; same fields from the same sources.

Documents

manufacturer documents

PDF
SG36/60CX-US Datasheet
Datasheet · Sungrow · Sep 2024

Questions & answers

How efficient is the Sungrow SGxxCX-US?

The California Energy Commission lists a weighted efficiency of 98.0% for Sungrow SGxxCX-US models, measured at six power levels and three DC voltages.

What sizes does the Sungrow SGxxCX-US come in?

The CEC list includes 2 models from 36 kW to 60 kW AC: SG36CX-US, SG60CX-US.

Is the Sungrow SGxxCX-US certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.

What is the SG60CX-US’s DC input voltage range?

Max DC input voltage is 1,000 V per the datasheet. MPPT operating range 200–1,000 V. CEC tested it at 550–850 V DC.

Sources

California Energy Commission — Grid Support Inverter List (solar and battery inverters), data as of Oct 7, 2026. Manufacturer-reported, confirmed by CEC against certificates and test reports.
Sungrow — datasheet SG36/60CX-US Datasheet.
Sungrow — document library on the manufacturer’s website (links above).
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
California Energy Commission — PV Module List (module electrical data for the compatibility check).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).