Cali-Graf in Southern California

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9.9 × 7.1 × 1.4 in

MicroinverterZhejiang Hyxi Technology

Zhejiang Hyxi Technology HYX-M800-S-NA

Microinverter. 14 models, 360 W–1.92 kW AC at 208 V / 240 V.

UL 1741 SBCEC listed · May 13, 2024Rapid shutdown

Model

Rated AC power720 W
CEC weighted efficiency96.0%
Max DC input65 V
Warranty25 years

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 14 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
HYX-M400-S-NA	360 W	208 V	366 W	366 W	95.5%	35–50 V	Jul 11, 2024	SB
HYX-M400-S-NA	360 W	240 V	367 W	367 W	95.5%	35–50 V	Jul 11, 2024	SB
HYX-M500-S-NA	475 W	208 V	478 W	478 W	95.5%	35–50 V	Jul 11, 2024	SB
HYX-M500-S-NA	475 W	240 V	479 W	479 W	96.0%	35–50 V	Jul 11, 2024	SB
HYX-M600-S-NA	548 W	208 V	548 W	548 W	96.0%	35–50 V	May 13, 2024	SB
HYX-M600-S-NA	548 W	240 V	549 W	549 W	96.0%	35–50 V	May 13, 2024	SB
HYX-M800-S-NA	720 W	208 V	721 W	721 W	96.0%	35–50 V	May 13, 2024	SB
HYX-M800-S-NA	720 W	240 V	723 W	723 W	96.0%	35–50 V	May 13, 2024	SB
HYX-M1000-S-NA	960 W	208 V	962 W	962 W	96.0%	35–50 V	May 13, 2024	SB
HYX-M1000-S-NA	960 W	240 V	958 W	958 W	96.5%	35–50 V	May 13, 2024	SB
HYX-M1800-S-NA	1.66 kW	208 V	1.66 kW	1.66 kW	96.0%	35–50 V	Jun 11, 2024	SB
HYX-M1800-S-NA	1.66 kW	240 V	1.66 kW	—	94.5%	35–50 V	Jun 11, 2024	SB
HYX-M2000-S-NA	1.92 kW	208 V	1.91 kW	1.91 kW	97.0%	35–50 V	Jun 11, 2024	SB
HYX-M2000-S-NA	1.92 kW	240 V	1.91 kW	1.91 kW	96.0%	35–50 V	Jun 11, 2024	SB

DC input (PV side)

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

Max DC input voltage65 V
CEC test DC voltages (min / nom / max)35 / 42 / 50 V
Start-up voltage20 V
Max input current16 A
DC input at rated output (CEC test)753 W

AC output (grid side)

Zhejiang Hyxi Technology datasheet · CEC Grid Support Inverter List (Oct 7, 2026)

Rated AC power720 W
Max apparent power800 VA
CEC-measured continuous output723 W
Grid voltage208 V / 240 V
Phase208 V (1-phase of 3-phase service), split-phase 120/240 V
Frequency60 Hz
Max continuous output current3 A

Efficiency

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

CEC weighted efficiency96.0%
Peak efficiency96.7%
Night-time standby (tare)0.4 W
Power to start converting1.3 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)

UL 1741 SB (3rd ed.)Yes — CSA Group, certificate Apr 30, 2024
UL 1741 SA (SA8–SA13)No
Volt-VAr with reactive power priority (SA13)No
Freq-Watt / Volt-Watt (SA14–15)No
Disable permit service / limit active power (SA17–18)No
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Mar 21, 2025)
CEC listedMay 13, 2024
Last CEC updateMar 21, 2025

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

Safety & protection

Zhejiang Hyxi Technology datasheet

Rapid shutdown (NEC 690.12)Yes (NEC 690.12, datasheet)

Monitoring & communication

Zhejiang Hyxi Technology datasheet

InterfacesWi-Fi

Size, weight & environment

Zhejiang Hyxi Technology datasheet

Dimensions (W × H × D)9.9 × 7.1 × 1.4 in
Weight6.6 lb (3 kg)
Enclosure ratingIP67, NEMA6, NEMA 6
CoolingNatural convection (no fans)

Warranty

Zhejiang Hyxi Technology datasheet

Standard warranty25 years

Panel compatibility & string sizing

NLR SAM inverter library · NLR PVWatts v8 · CEC PV Module List · Cali-Graf calculation

CityColdest air, °CHottest cell, °C

HYX-M800-S-NA: max DC 50 V · MPPT 35–50 V (CEC test window)

Most-permitted panels in Southern California

Panel	Power	Voc cold / Vmp hot	Check	DC/AC	Installed together
Qcells Q.PEAK DUO BLK ML-G10.C+ 410	410 W	48.1 / 30.6 V	⚠ Below MPPT at peak heat	0.57	—
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 / 30.6 V	⚠ Below MPPT at peak heat	0.57	—
LONGi LR5-54HABB-400M	400 W	39.3 / 25.3 V	⚠ Below MPPT at peak heat	0.55	—
JA Solar JAM54S31-405/MR	405 W	39.4 / 25.5 V	⚠ Below MPPT at peak heat	0.56	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 / 27 V	⚠ Below MPPT at peak heat	0.61	—
Silfab Solar SIL-440QD	440 W	41.1 / 28 V	⚠ Below MPPT at peak heat	0.61	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	0.59	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	0.59	—
REC Group REC460AA Pure-RX	460 W	68.8 / 47.1 V	✗ Cold Voc above max input	0.64	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 / 25.3 V	⚠ Below MPPT at peak heat	0.57	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	0.59	—
Tesla TSP-420	420 W	43.4 / 27.7 V	⚠ Below MPPT at peak heat	0.58	—

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 720 W 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
Zhejiang Hyxi Technology HYX-Mxxx-S-NA	360 W–1.92 kW	96.0%	35–50 V	Yes	2024	0
Enphase Energy IQ8 Series	240 W–633 W	97.5%	25–95 V	44 of 45	2025	1,104
Hoymiles HM-xxxNT	295 W–1.44 kW	96.5%	29–48 V	11 of 12	2023	3
Power Center Dxxx-M2	696 W–696 W	96.5%	33–48 V	Yes	2022	2
FOXESS M1-xxxx-NA	600 W–1.2 kW	95.5%	35–50 V	Yes	2026	—

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

About Zhejiang Hyxi Technology

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerZhejiang Hyxi Technology
Listed in CEC asZhejiang Hyxi Technology Co., Ltd
Websitehyxipower.com
Models on CEC lists45

Other series

HYX-Mxxx-SHYX-Mxxx-SWHYX-Mxxx-SW-NA

Questions & answers

How efficient is the Zhejiang Hyxi Technology HYX-Mxxx-S-NA?

The California Energy Commission lists a weighted efficiency of 94.5–97.0% for Zhejiang Hyxi Technology HYX-Mxxx-S-NA models, measured at six power levels and three DC voltages. The datasheet states a peak efficiency of 96.7%.

What sizes does the Zhejiang Hyxi Technology HYX-Mxxx-S-NA come in?

The CEC list includes 14 models from 360 W to 1.92 kW AC: HYX-M400-S-NA, HYX-M400-S-NA, HYX-M500-S-NA, HYX-M500-S-NA, HYX-M600-S-NA, HYX-M600-S-NA, HYX-M800-S-NA, HYX-M800-S-NA….

Is the Zhejiang Hyxi Technology HYX-Mxxx-S-NA certified to UL 1741 SB?

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

What is the HYX-M800-S-NA’s DC input voltage range?

Max DC input voltage is 65 V per the datasheet. CEC tested it at 35–50 V DC.

What warranty does it have?

25 years standard (manufacturer datasheet).

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.
Zhejiang Hyxi Technology — manufacturer datasheet “MICRO INVERTER HYX-M600/800/1000-S/SW-NA”.
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).