Enphase Energy M250-72-2LL-S22 72 Cell Compatible Microinverter

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Enphase Energy M250-72-2LL-S22 Summary
Grid-Tied - Microinverter

Enphase Energy M250-72-2LL-S22 72 Cell Compatible Microinverter

M250-72-2LL-S22 72 Cell Compatible Microinverter - MC4 Connector

The versatile Enphase M250 Microinverter performs in both residential and commercial solar PV installations and is compatible with both 60-cell and 72-cell modules. With its all-AC approach and integrated grounding, the M250 delivers increased energy harvest and reduces design and installation complexity.

  • Microinverter, 250W, 240/208VAC, 60Hz, 16-60VDC for 60 or 72 cell modules, MC Locking Connector in, 16" Engage Cable out
  • Connector Type: MC4 Inputs
  • Productive
    • Output power: 250W AC
    • 96.5% CEC efficiency
    • Recommended max input power: 300W
    • Designed for a wide range of modules
    • Maximizes energy production
    • Minimizes impact of shading, dust, and debris
  • Reliable
    • 4th-generation product
    • More than 1 million hours of testing and 3 million units shipped
    • Industry-leading warranty, up to 25 years
  • Simple
    • No GEC needed for microinverter
    • No DC design or string calculation required
    • Easy installation with Engage Cable

Also Known As:
M250 72 2LL S22

Input Data (DC)M250-72-2LL-S22, M250-72-2LL-S25
Recommended input power (STC)210 - 350+W
Compatibility60-cell and 72-cell PV modules
Maximum input DC voltage62 V
Peak power tracking voltage27 V - 48 V
Operating Range16 V - 60 V
Min./Max. start voltage22 V — 48 V
Max. DC short circuit current15 A
Max. input current9.8 A
Output Data (AC)@208 VAC@240 VAC
Peak output power250 W250 W
Rated (continous) output current240 W240 W
Nominal output current1.15 A1.0 A
Nominal voltage/range208V / 183V - 229V240V / 211V - 264V
Nominal frequency/range60.0 / 57-61 Hz
Extended frequency/range57-61 Hz
Power factor>0.95
Maximum units per 20 A branch circuit24 (three phase)16 (single phase)
Maximum output fault current850 mA rms for 6 cycles

CEC weighted efficiency96.5%
Peak inverter efficiency96.5%
Static MPPT efficiency99.4%
Night time power consumption65 mW max

Mechanical Data
Ambient temperature range-40ºC to +65ºC
Dimensions (WxHxD)171 mm x 173 mm x 30 mm (without mounting bracket)
Weight1.6 kg (3.4lbs)
CoolingNatural Convection — No Fans
Enclosure environmental ratingOutdoor — NEMA 6
Connector typeMC4: M250-60-2LL-S22 and M250-72-2LL-S22
Amphenol H4: M250-60-2LL-S25 and M250-72-2LL-S25

Integrated groundThe 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. Ground fault protection (GFP) is integrated into the
MonitoringEnlighten Manager and MyEnlighten monitoring options
Transformer designHigh frequency transformers, galvanically isolated
ComplianceUL 2703 recognized, UL1741/IEEE1547, FCC Part 15 Class B,
CAN/CSA-C22.2 NO. 0-M91, 0.4-04, and 107.1-01
This product is UL Listed as PV Rapid Shut Down Equipment and conforms
with NEC-2014 and NEC-2017 section 690.12 and C22.1-2015 Rule 64-218 Rapid
Shutdown of PV Systems, for AC and DC conductors, when installed according
manufacturer’s instructions.
Note: Specifications and pricing of the Enphase Energy M250-72-2LL-S22 72 Cell Compatible Microinverter subject to change without notice. Illustrations and descriptions of the Enphase Energy M250-72-2LL-S22 do not claim to be complete or exhaustive.
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Manufacturer Info
Enphase Energy
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