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Input Power (DC)
Enphase Model Number M250-60-2LL-S22/S23/S24
STC Rating 210-300 W
Maximum DC Input 48 V
Peak Power Tracking Voltage 27-39 V
Operating Range 16-48 V
Min/Max Start Voltage 22-48 V
Max DC Short Circuit Current 15 A
Max Input Current 9.8 A


Output Power (AC) @208 VAC @240 VAC
Peak output power 250 W 250 W
Rated (continuous) output power 240 W 240 W
Nominal voltage/range 183-229 V 211-264 V
Power factor >0.95 >0.95

M250 Inverter Efficiency
CEC: 240 VAC: 96.5%, 208 VAC: 96.0%
Peak inverter efficiency 96.5%
Static MPPT efficiency 99.4 %
Night time power consumption 65 mW max

Enphase M250 Microinverter for Grid-Tie Solar Systems

SKU M250-60-2LL

Enphase Energy M250 Microinverter

    One inverter per solar panel can improve overall power output!

    microinverterDesigned for today's high-voltage solar modules, Enphase Microinverters deliver greater energy harvest, faster installation and more reliable production—backed by the industry-leading warranty.

  • Generate power in low-light conditions with patented burst mode
  • Reduce the impact of module mismatch, shade or soiling
  • Maximize design and layout flexibility with ease and allow for ongoing system expansion
  • Increase safety and reduce fire risk with an AC system architecture
  • Gain installation efficiency with single-bolt mounting bracket
  • NEMA 6 rated enclosure ensures a long lifetime of outdoor use
  • Deliver reliability with confidence backed by 25-year industry-leading warranty

Enphase M250 Microinverter Features

The fourth-generation Enphase Microinverter, the M250, maximizes the energy production of 60-cell solar modules up to 300W and includes Integrated (DC Isolated) Ground.

The Enphase® M250 Microinverter is a grid-tie inverter that delivers increased energy harvest and reduces design and installation complexity with its all-AC approach. With the M250, the DC circuit is isolated and insulated from ground, so no Ground Electrode Conductor (GEC) is required for the microinverter. Not requiring a GEC further simplifies installation, enhances safety, and saves on labor and materials costs.

The Enphase M250 integrates seamlessly with the Engage® Cable, the Envoy® Communications Gateway™, and Enlighten®, Enphase’s monitoring and analysis software.

We asked for reviews from our staff: "We have found that do-it-yourself solar installers are surprised by how easy these are to install. Then they find the system performance is top-notch...especially on partially shaded roofs!"

m250 systemProductive
- Optimized for higher-power modules
- Maximizes energy production
- Minimizes impact of shading, dust, and debris

- No GEC needed for microinverter
- No DC design or string calculation required
- Easy installation with Engage Cable

- Enphase's 4th-generation product
- More than 1 million hours of testing and 3 million units shipped
- Industry-leading warranty, up to 25 years

CSA listed per UL 1741/IEEE1547

Enclosure environmental rating: Outdoor - NEMA 6

Other Enphase M250 Inverter Details

Compatible with 60-cell PV modules.

Power line

Integrated ground
The DC circuit meets the requirements for ungrounded PV arrays in NEC 690.35. Equipment ground is provided in the Engage Cable. No additional GEC or ground is required.

Free lifetime monitoring via Enlighten software

Compliance UL1741/IEEE1547, FCC Part 15 Class B, CAN/CSA-C22.2 NO. 0-M91,
0.4-04, and 107.1-01

solar system cost Complete systems with Enphase M250 inverters available!

Solar Electric Supply not only supplies the latest Enphase products at a discount price, we also have a low solar system cost for systems designed specifically for microinverters.

Systems include inverters, roof or ground mount, solar panel cables, disconnects and breakers. We support our customers in the US with friendly knowledgeable staff that is here to help with your microinverter solar system questions.

Contact us for wholesale pricing, solar module system design or reviews for the Enphase M250 Microinverter.