⚡ANMASystem BuildingAutomation, Network, Monitoring & Analytics
★PREMIUM

Knowledge Base › Microinverters

E-Star Energy HERF-500

Official manufacturer EU verified Sept. 23, 2026

Identity

brand E-Star Energy
category microinverters
manufacturer E-Star Energy
manufacturer_key estar
model HERF-500
model_key herf500
product_family HERF Microinverter (Single unit)
product_status active
region EU
series HERF

Electrical

ac_voltage_range 180-270
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
ac_voltage_v 230
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
cec_efficiency_percent 96.5
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
gateway_required True
HERF-300 HERF-400 HERF-500
grid_frequency_hz 50
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
grid_frequency_range_hz 45-55
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
max_dc_voltage_v 60
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
max_input_current_a 13.5
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
max_units_per_branch 11
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
mppt_voltage_max_v 48
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
mppt_voltage_min_v 16
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
number_of_mppt 1
number_of_pv_inputs 1
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
operating_voltage_max_v 60
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
operating_voltage_min_v 16
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
phase_count 1
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
power_factor 0.8 leading...0.8 lagging (adjustable)
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
rated_ac_power_va 490
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
rated_output_current_a 2.13
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
recommended_module_power_max_w 540+
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
recommended_module_power_min_w 300
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
required_gateway DCU
HERF-300 HERF-400 HERF-500
startup_voltage_v 22
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
thd_percent <3
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12

Physical / mechanical

height_mm 31.1
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
length_mm 165
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
weight_kg 2.35
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
width_mm 197
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12

Environment

ip_rating IP67
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12

Interfaces & connectors

communications ['Wireless 2.4 GHz']
HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12

Documents

datasheet HERF Series Microinverter datasheet (Single unit / 2 in 1 unit / 4 in 1 unit), 2022-08-12
product_page HERF-300 HERF-400 HERF-500

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

builder_completenesspartial
region_notes230 V / 50 Hz single-phase edition; E-Star publishes CE, EN and VDE-AR-N 4105 certificates for this power band on estarenergy.com.