Qcells Q.TRON BLK M-G2.H1+/AC 425

Name: Qcells Q.TRON BLK M-G2.H1+/AC 425
Brand: Qcells

Microinverter. 8 models, 405 W–440 W AC at 240 V.

UL 1741 SBCEC listed · Apr 21, 2025

Model

Rated AC power425 W
CEC weighted efficiency97.0%

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 8 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
Q.TRON BLK M-G2.H1+/AC 405	405 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 410	410 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 415	415 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 420	420 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 425	425 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 430	430 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 435	435 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB
Q.TRON BLK M-G2.H1+/AC 440	440 W	240 V	349 W	349 W	97.0%	31–40 V	Apr 21, 2025	SB

1 more listings are microinverters sold only inside AC modules — not shown here.

DC input (PV side)

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

CEC test DC voltages (min / nom / max)31 / 34 / 40 V
DC input at rated output (CEC test)361 W

Efficiency

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

CEC weighted efficiency97.0%
Night-time standby (tare)0.27 W
Power to start converting2.4 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 — UL, certificate Feb 29, 2024
UL 1741 SA (SA8–SA13)Yes — UL
Firmware tested (SA)MI10US0701
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 Apr 21, 2025)
CEC listedApr 21, 2025
Last CEC updateDec 22, 2025

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

Compare with similar 425 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
Qcells Q.TRON BLK M-G2.H1+/AC	405 W–440 W	97.0%	31–40 V	Yes	2025	0
Enphase Energy IQ8 Series	240 W–633 W	97.5%	25–95 V	44 of 45	2025	1,104
Enphase Energy IQ7 Series	190 W–384 W	97.5%	22–64 V	114 of 119	2022	471
Hoymiles HM-xxxNT	295 W–1.44 kW	96.5%	29–48 V	11 of 12	2023	3
Enphase Energy IQ9 Series	405 W–440 W	97.5%	28–45 V	Yes	2026	—

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

About Qcells

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerQcells
Listed in CEC asQcells North America
Parent companyHanwha
Websiteq-cells.com
Models on CEC lists1504

Other series

Q.MI.380C-G2Q.MI.xxxB-P2Q.MICRO.380C-G2Q.MICRO.xxxB-P2

Questions & answers

How efficient is the Qcells Q.TRON BLK M-G2.H1+/AC?

The California Energy Commission lists a weighted efficiency of 97.0% for Qcells Q.TRON BLK M-G2.H1+/AC models, measured at six power levels and three DC voltages.

What sizes does the Qcells Q.TRON BLK M-G2.H1+/AC come in?

The CEC list includes 8 models from 405 W to 440 W AC: Q.TRON BLK M-G2.H1+/AC 405, Q.TRON BLK M-G2.H1+/AC 410, Q.TRON BLK M-G2.H1+/AC 415, Q.TRON BLK M-G2.H1+/AC 420, Q.TRON BLK M-G2.H1+/AC 425, Q.TRON BLK M-G2.H1+/AC 430, Q.TRON BLK M-G2.H1+/AC 435, Q.TRON BLK M-G2.H1+/AC 440.

Is the Qcells Q.TRON BLK M-G2.H1+/AC certified to UL 1741 SB?

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

What is the Q.TRON BLK M-G2.H1+/AC 425’s DC input voltage range?

CEC tested it at 31–40 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.
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.