Hoymiles HM-300, User Manual, Page: 22 / 27

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Single-phase Microinverter User Manual
8.3 Efficiency, Safety and Protection
Model HM-300 HM-350 HM-400
Peak microinverter efficiency 96.70%
CEC weighted efficiency 96.50%
Nominal MPPT efficiency 99.80%
Night time power consumption (mW) < 50
8.4 Mechanical Data
Model HM-300 HM-350 HM-400
Ambient temperature range (°C) -40 to +65
Storage temperature range (°C) -40 to +85
Dimensions (W × H × D mm) 182 × 164 × 29.5
Weight (kg) 1.98
Enclosure rating Outdoor NEMA 6 (IP67)
Cooling Natural convection (no fans)
Pollution degree PD3
8.5 Features
Model HM-300 HM-350 HM-400
Topology High-Frequency Transformers
Communication 2.4 GHz Proprietary RF (Nordic)
Monitoring
Hoymiles Monitoring System
(Hoymiles DTU is required)
Warranty 12 years standard, 25 years optional
Compliance
VDE-AR-N 4105:2018, EN 50549-1:2019, VFR2019,
AS 4777.2:2015, IEC/EN 62109-1/-2, IEC/EN 61000-3-2/-3, IEC/EN-
61000-6-1/-2/-3/-4
*Note: Voltage and frequency ranges can be extended beyond nominal if required by the utility.