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Enphase M250-60-2LL-S22 Micro Inverter > 250 Watt MC4 4MM > ARRA

Enphase M250-60-2LL-S22 - 250 Watt 208 / 240 VAC Micro Inverter - MC4 Connectors

Our Price: $142.00
Warranty: 25 Years
Compliance: Buy American

Product Code: ENPHASE-M250-60-2LL-S22

Description Data Sheet

Enphase 250 Watt 208/240 VAC Micro Inverter

The M250 micro inverters from Enphase are designed to handle panels as large as 300 watts. They are compatible with 60-cell solar panels.

Model M250-60-2LL-S22
Series M250
Manufacturer Enphase Energy


Type Grid Tie - Micro Inverter
Ambient Temperature Range -40C to +65C
Operating Temperature Range -40C to +85C
Enclosure Outdoor - NEMA 6
Cooling Natural Convection - No fans
Connectors MC4
Dimensions (W x H x D) 6.7" x 6.8" x 1.18"
Weight 3.4 lbs
Shipping Method Ground

Input (DC)

Commonly used module pairings 210 W - 350 W
60-cell PV modules
Maximum input DC voltage 48 V
Peak Power Tracking Voltage 27 V - 39 V
Operating Range 16 V - 48 V
Min/Max Start Voltage 22 V / 48 V
Max DC shor t circuit current
15 A

Output (AC)

Peak Output Power 250 W
Nominal Voltage 208 V / 183-229 V @ 208 VAC
240 V / 211-264 V @ 240 VAC
Voltage Range 183 V - 229 V / 211 V - 264 V
Frequency 60 Hz (North America)
Maximum output fault current
850 mA rms for 6 cycles


Data Sheet Enphase M250 Microinverters
System Overview Enphase Micro Inverters
Warranty Enphase Energy


  • Optimized for higher-power modules
  • Maximizes energy production
  • Minimizes impact of shading, dust, and debris
  • No GEC needed for micro inverter
  • No DC design or string calculation required
  • Easy installation with Engage Cable
  • 4th-generation product
  • More than 1 million hours of testing and 3 million units shipped
  • Industry-leading warranty, up to 25 years

Detailed Description

The Enphase M250 Microinverter 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 micro inverter. This 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.

Frequently Asked Questions
  • Will the Enphase M250 work with my solar panel?

    The Enphase M250 is compatible with most 60-cell solar panels with an output between 210 and 300 Watts. If you aren't sure if your panels are compatible, please give us a call at 888-899-3509 ext. 1.

  • How many drops of Engage cable do I need?

    Each drop has a special M250 connector right in the middle, so you will need one drop for each M250 in your array. Be sure to add an extra drop for each row after the first to allow the cable reach up to the next row. Also note that you can have a maximum of 17 240VAC or 25 208VAC M250s on one string. If you need any help sizing your Enphase solar system, please give us a call at 888-899-3509 ext. 1.

  • How are the Engage cable drops cut?

    Drops are cut at the halfway point between two connectors, allowing about 20" of cable between the last connector and the end of the cable for portrait layout and 33.5" for landscape layout.

  • Do I need 208 or 240 VAC Engage cable?

    208 VAC is usually for commercial projects, while 240 VAC is for residential.

  • I want a micro inverter. Should I get an M215 or an M250?

    The Enphase M215 micro inverter is physically slightly smaller and can handle 60 cell panels up to 260 Watts. The Enphase M250 is larger and can handle 60 cell panels up to 300 watts.

Average Customer Review: 5 of 5 Total Reviews: 1 Write a review.

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  0 of 0 people found the following review helpful
Micro Inverter installation July 3, 2015
Reviewer: James Lake from Escondido, CA United States  
The Enphase Micro Inverters were easy to install on the Roof Trac Rails. The Enphase Cabling and the PV Panel leads snapped in securely.  The Micro Inverters are seamlessly providing performance information to the Enphase Envoy.

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