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MicroinverterEnphase Energy

Enphase Energy XACM-IQ7-LR6-60PB-305M

Microinverter. 4 models, 300 W–305 W AC at 208 V / 240 V.

UL 1741 SBCEC listed · Mar 11, 2020

Model

Rated AC power305 W
CEC weighted efficiency97.0%

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 4 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
XACM-IQ7-LR6-60PB-300M	300 W	208 V	240 W	240 W	97.0%	27–37 V	Mar 11, 2020	SB
XACM-IQ7-LR6-60PB-300M	300 W	240 V	240 W	240 W	97.0%	27–37 V	Mar 11, 2020	SB
XACM-IQ7-LR6-60PB-305M	305 W	208 V	240 W	240 W	97.0%	27–37 V	Mar 11, 2020	SB
XACM-IQ7-LR6-60PB-305M	305 W	240 V	240 W	240 W	97.0%	27–37 V	Mar 11, 2020	SB

4 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)27 / 32 / 37 V
DC input at rated output (CEC test)247 W

Efficiency

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

CEC weighted efficiency97.0%
Night-time standby (tare)0.03 W
Power to start converting1.8 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 Jun 8, 2022
UL 1741 SA (SA8–SA13)Yes — UL
Firmware tested (SA)V04.27.04, V04.28.07, V04.30.22 and 3 more
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 May 11, 2020)
CEC listedMar 11, 2020
Last CEC updateOct 3, 2022

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

Compare with similar 305 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
Enphase Energy XACM-IQ7-LR6-60PB-xxxM	300 W–305 W	97.0%	27–37 V	Yes	2020	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 Enphase Energy

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerEnphase Energy
Listed in CEC asEnphase Energy, Inc.
Websiteenphase.com
Models on CEC lists223

Other series

IQ8 Series · 1104 permitsIQ7 Series · 471 permitsIQ8-3P Series · 1 permitsIQ9 SeriesIQ9-3P Series

Questions & answers

How efficient is the Enphase Energy XACM-IQ7-LR6-60PB-xxxM?

The California Energy Commission lists a weighted efficiency of 97.0% for Enphase Energy XACM-IQ7-LR6-60PB-xxxM models, measured at six power levels and three DC voltages.

What sizes does the Enphase Energy XACM-IQ7-LR6-60PB-xxxM come in?

The CEC list includes 4 models from 300 W to 305 W AC: XACM-IQ7-LR6-60PB-300M, XACM-IQ7-LR6-60PB-300M, XACM-IQ7-LR6-60PB-305M, XACM-IQ7-LR6-60PB-305M.

Is the Enphase Energy XACM-IQ7-LR6-60PB-xxxM certified to UL 1741 SB?

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

What is the XACM-IQ7-LR6-60PB-305M’s DC input voltage range?

CEC tested it at 27–37 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.