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KOSTAL Solar Electric GmbH PLENTICORE G3 17.5

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Official manufacturer EU verified Sept. 23, 2026

KOSTAL Solar Electric GmbH PLENTICORE G3 17.5
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Identity

category inverters
manufacturer KOSTAL Solar Electric GmbH
model PLENTICORE G3 17.5
region EU

Electrical

backup_max_current_per_phase_a 32.0
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
backup_output True
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
backup_power_per_phase_w 6660
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
backup_rated_power_w 20000
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
battery_supported True
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
battery_voltage_class HV
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
battery_voltage_max_v 820
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
battery_voltage_min_v 95
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
digital_inputs Ripple control receiver or external battery control, CEI, OVP evaluation
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
digital_outputs 4
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
generator_input False
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
grid_frequency_hz 50
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
has_internal_pv_input True
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
max_ac_output_current_a 32.0
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
max_ac_power_w 17500
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
max_charge_current_a 30
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
max_charge_power_w 21000
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
max_discharge_current_a 30
PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
max_input_current_per_mppt_a [30, 30, 30]
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
max_pv_power_wp 26500
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
max_pv_voltage_v 1000
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
max_short_circuit_current_per_mppt_a [42.0, 42.0, 42.0]
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
mppt_voltage_max_v 800
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
mppt_voltage_min_v 198
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
nominal_grid_voltage_v 400
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
number_of_mppt 3
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
number_of_pv_inputs 3
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
phase_count 3
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
rated_ac_current_a 25.3
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
rated_ac_power_w 17500
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
smart_load True
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
startup_voltage_v 95
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
strings_per_mppt_distribution [1, 1, 1]
PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)

Interfaces & connectors

communications ['Ethernet LAN (RJ45) x2', 'Wi-Fi 2.4 GHz (IEEE 802.11 b/g/n)', 'Modbus RTU (energy meter)', 'Integrated webserver']
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
documented_ports [{'port_role': 'MPPT1', 'port_label_from_manual': 'DC1', 'port_type': 'PV string input (push-in spring terminal)', 'direction': 'input', 'electrical_domain': 'DC', 'quantity': 1, 'max_current_a': 30, 'max_short_circuit_current_a': 42.0, 'document': 2, 'page': 'Technical data > DC input', 'quote': 'Max. input current (Idc,max) DC1/DC2 input: 17, 17, 17, 17, 17, 17, 30, 30, 30'}, {'port_role': 'MPPT2', 'port_label_from_manual': 'DC2', 'port_type': 'PV string input (push-in spring terminal)', 'direction': 'input', 'electrical_domain': 'DC', 'quantity': 1, 'max_current_a': 30, 'max_short_circuit_current_a': 42.0, 'document': 2, 'page': 'Technical data > DC input', 'quote': 'Max. input current (Idc,max) DC1/DC2 input: 17, 17, 17, 17, 17, 17, 30, 30, 30'}, {'port_role': 'MPPT3', 'port_label_from_manual': 'DC3', 'port_type': 'PV string input, switchable to battery input', 'direction': 'input', 'electrical_domain': 'DC', 'quantity': 1, 'max_current_a': 30, 'max_short_circuit_current_a': 42.0, 'document': 2, 'page': 'Technical data > DC input', 'quote': 'Max. input current (Idc,max) DC3 input: 17, 17, 17, 30, 30, 30, 30, 30, 30'}, {'port_role': 'BATTERY', 'port_label_from_manual': 'DC3 (battery input)', 'port_type': 'High-voltage battery DC input', 'direction': 'bidirectional', 'electrical_domain': 'DC', 'quantity': 1, 'voltage_min_v': 95, 'voltage_max_v': 820, 'max_current_a': 30, 'document': 1, 'page': 'DC 3 battery input', 'quote': 'Min. Working voltage for battery input (UDCworkbatmin): V 95 / Max. Working voltage for battery input (UDCworkbatmax): V 820 ; Max. charging/discharging current at battery input: S A 17/17 | M A 30/30 | L A 30/30'}, {'port_role': 'GRID', 'port_label_from_manual': 'AC grid connection', 'port_type': '3N~ AC terminal', 'direction': 'bidirectional', 'electrical_domain': 'AC', 'quantity': 1, 'document': 0, 'page': 'Output side (AC)', 'quote': 'Grid connection: 3N~, 230/400V, 50Hz'}, {'port_role': 'BACKUP_LOAD', 'port_label_from_manual': 'Backup power operation (with KOSTAL BackUp Switch / automatic backup box)', 'port_type': '3N~ AC backup output', 'direction': 'output', 'electrical_domain': 'AC', 'quantity': 1, 'document': 1, 'page': 'Backup operation', 'quote': 'Backup power operation: 3N~, 230/400V, 51Hz ; Max. output current per phase: S A 11.2 | M A 20 | L A 32'}, {'port_role': 'ETHERNET', 'port_label_from_manual': 'Ethernet LAN (RJ45)', 'port_type': 'RJ45', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 2, 'document': 2, 'page': 'Technical data > Interfaces', 'quote': 'Ethernet LAN (RJ45)/Wi-Fi (2.4 GHz [IEEE 802.11 b/g/n]): 2 / yes'}, {'port_role': 'WIFI', 'port_label_from_manual': 'Wi-Fi (2.4 GHz [IEEE 802.11 b/g/n])', 'port_type': 'Wireless', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 2, 'page': 'Technical data > Interfaces', 'quote': 'Ethernet LAN (RJ45)/Wi-Fi (2.4 GHz [IEEE 802.11 b/g/n]): 2 / yes'}, {'port_role': 'DIGITAL_IN', 'port_label_from_manual': 'Digital inputs', 'port_type': 'Digital input', 'direction': 'input', 'electrical_domain': 'communication', 'document': 2, 'page': 'Technical data > Interfaces', 'quote': 'Digital inputs: Ripple control receiver or external battery control, CEI, OVP evaluation'}, {'port_role': 'DIGITAL_OUT', 'port_label_from_manual': 'Digital outputs', 'port_type': 'Switched output 24 V / 100 mA', 'direction': 'output', 'electrical_domain': 'communication', 'quantity': 4, 'document': 2, 'page': 'Technical data > Interfaces', 'quote': 'Digital outputs: 4 (24 V, 100 mA)'}, {'port_role': 'METER', 'port_label_from_manual': 'Energy meter connection for collecting energy data (Modbus RTU)', 'port_type': 'Modbus RTU (RS485)', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 2, 'page': 'Technical data > Interfaces', 'quote': 'Energy meter connection for collecting energy data (Modbus RTU): Yes'}]
meter_interface True
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
protocols ['Modbus RTU']
PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)

Documents

datasheet PLENTICORE G3 Technical Specification with battery (DOC03307617, 07/2026)
datasheet PLENTICORE Hybrid inverter - G3 4.0-20 kW Data sheet (DOC03090475, 09/2025)
manual PLENTICORE G3 Hybrid inverter Operating manual - Technical information > Technical data (HTML)
product_page PLENTICORE - Kostal Solar Electric

Additional documented parameters

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

builder_completenesscomplete
region_notesKOSTAL publishes this datasheet for the European market: grid connection is printed as 3N~, 230/400 V, 50 Hz only, and the released-countries list is a separate European document. No other regional specification was found.
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