
© 2022 Hoymiles Power Electronics Inc. All rights reserved.
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Single-phase Microinverter User Manual
3. About Product
3.1 About Single Unit
“Daisy-Chain Single Unit Microinverter” with wide DC input operating voltage range (16 V–60 V) and low
start-up voltage (22 V only).
The Hoymiles Single Unit Microinverter HM-300/HM-350/HM-400 is a reliable solution for PV systems with an
uneven number of panels, and offers high CEC weighted efficiency – 96.50% (peak efficiency 96.70%) in 2015.
3.2 Highlights
• Maximum output power up to 300 W/350 W/400 W. Adapted to 60-cell & 72-cell PV panels.
•
Peak efficiency 96.70%. CEC weighted efficiency 96.50%.
•
Static MPPT efficiency 99.80%. Dynamic MPPT efficiency 99.76% in overcast weather.
• Power factor (adjustable) 0.8 leading…0.8 lagging.
• External antenna for stronger communication with DTU.
• High reliability: NEMA 6 (IP67) enclosure. 6000 V surge protection.
3.3 Terminals Introduction
Object
Description
A
AC Connector (Male)
B
AC Connector (Female)
C
DC Connectors
3.4 Dimension (mm)