ANMA System Building

Identity

brand	Hoymiles
category	microinverters
manufacturer	Hoymiles
manufacturer_key	hoymiles
model	HMS-1800-4T-NA
model_key	hms18004tna
product_family	Hoymiles HMS series
product_status	active
region	NA
series	HMS-4T-NA (4-in-1 single-phase microinverter, North America)

Electrical

ac_phase_count	1 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
communication_method	Sub-1G Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
cooling	Natural convection-No fans Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
dimensions_w_h_d_in	13.03 x 8.58 x 1.60 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
grid_frequency_hz	60 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
grid_frequency_range_hz	55-65 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
grid_voltage_range_v	240/211-264 and 208/183-228 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
max_ac_current_a	[6.92, 7.98] Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
max_ac_current_axis	[240 V nominal, 208 V nominal] Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
max_dc_voltage_v	65 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
max_input_current_per_input_a	15 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
max_short_circuit_current_per_input_a	25 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
maximum_units_per_branch	{'10 AWG @ 240 V': 3, '10 AWG @ 208 V': 3} Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
monitoring_platform	S-Miles Cloud Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
mppt_voltage_max_v	60 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
mppt_voltage_min_v	16 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
night_power_consumption_mw	< 50 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
nominal_grid_voltage_v	[240, 208] Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
nominal_mppt_efficiency_pct	99.8 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
number_of_mppt	4 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
number_of_pv_inputs	4 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
peak_ac_power_va	1800 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
peak_efficiency_pct	96.5 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
phase_count	1
power_factor	> 0.99 default, 0.8 leading … 0.8 lagging (adjustable) Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
pv_rapid_shutdown	Listed on the datasheet as a compliance item for all three models in the table Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
rated_ac_power_note	The NA datasheet prints 'Peak output power (VA)' = 1800 and 'Maximum continuous output power (VA)' = 1660; the continuous figure is recorded as the rated AC power. Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
rated_ac_power_w	1660 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
recommended_module_power_max_w	600 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
recommended_module_power_min_w	360 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
startup_voltage_v	22 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
strings_per_mppt_distribution	[1, 1, 1, 1] Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
topology	Galvanically Isolated HF Transformer Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
total_harmonic_distortion_pct	< 3 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)
weight_lb	12.26 Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)

Environment

operating_ambient_temperature_f

-40 to +149

Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)

Interfaces & connectors

documented_ports

[{'port_role': 'PV_IN', 'port_label_from_manual': 'PV input 1 (MPPT 1)', 'port_type': 'PV DC input', 'direction': 'input', 'electrical_domain': 'DC', 'document': 0, 'page': 'Input Data (DC)', 'quote': 'Number of MPPTs: 4; Number of inputs per MPPT: 1; Maximum input current (A): 4 x 15', 'quantity': 1, 'max_voltage_v': 65, 'max_current_a': 15}, {'port_role': 'PV_IN', 'port_label_from_manual': 'PV input 2 (MPPT 2)', 'port_type': 'PV DC input', 'direction': 'input', 'electrical_domain': 'DC', 'document': 0, 'page': 'Input Data (DC)', 'quote': 'Number of MPPTs: 4; Number of inputs per MPPT: 1; Maximum input current (A): 4 x 15', 'quantity': 1, 'max_voltage_v': 65, 'max_current_a': 15}, {'port_role': 'PV_IN', 'port_label_from_manual': 'PV input 3 (MPPT 3)', 'port_type': 'PV DC input', 'direction': 'input', 'electrical_domain': 'DC', 'document': 0, 'page': 'Input Data (DC)', 'quote': 'Number of MPPTs: 4; Number of inputs per MPPT: 1; Maximum input current (A): 4 x 15', 'quantity': 1, 'max_voltage_v': 65, 'max_current_a': 15}, {'port_role': 'PV_IN', 'port_label_from_manual': 'PV input 4 (MPPT 4)', 'port_type': 'PV DC input', 'direction': 'input', 'electrical_domain': 'DC', 'document': 0, 'page': 'Input Data (DC)', 'quote': 'Number of MPPTs: 4; Number of inputs per MPPT: 1; Maximum input current (A): 4 x 15', 'quantity': 1, 'max_voltage_v': 65, 'max_current_a': 15}, {'port_role': 'AC_OUT', 'port_label_from_manual': 'AC output (10 AWG branch)', 'port_type': 'AC trunk connector', 'direction': 'output', 'electrical_domain': 'AC', 'document': 0, 'page': 'Output Data (AC)', 'quote': 'Maximum units per 10 AWG branch: 3 at 240 V, 3 at 208 V', 'quantity': 1}]

Protection

ingress_protection

Outdoor-NEMA 6 (IP67)

Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)

Documents

datasheet Microinverter Datasheet — HMS-1600-4T-NA / HMS-1800-4T-NA / HMS-2000-4T-NA (North America)

Additional documented parameters

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

builder_completeness	partial
region_notes	Hoymiles publishes a separate North America datasheet for the -NA designation with 240 V / 208 V 60 Hz settings and imperial mechanical data. ANMA already holds HMS-2000-4T-NA from the same table.

Hoymiles HMS-1800-4T-NA