Knowledge Base › External MPPT Controllers
Steca Solarix MPPT 5020
Official manufacturer GLOBAL verified Sept. 23, 2026
Identity
| category | external_mppt_controllers |
| manufacturer | Steca |
| model | Solarix MPPT 5020 |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| battery_voltage_nominal_v | 12/24/36/48V Auto |
| battery_voltage_supported |
12 / 24 / 48 V
disputed
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| boost_charge_voltage_v |
[14.4, 28.8, 57.6]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| charge_current_a |
50
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| end_of_charge_voltage_v |
[14.1, 28.2, 56.4]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| equalisation_charge_voltage_v |
[15, 30, 60]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| low_voltage_disconnect_v |
[11.5, 23, 46]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| low_voltage_reconnect_v |
[12.5, 25, 50]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| max_charge_current_a | 30.0 |
| max_dc_voltage_v | 100.0 |
| max_efficiency_pct | 98.0 |
| max_pv_current_a |
50
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| max_pv_open_circuit_voltage_v | 100.0 |
| max_pv_power_w |
[750, 1500, 3000]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| max_pv_voltage_v |
150
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| pv_open_circuit_voltage_min_v |
[17, 34, 68]
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| terminal_capacity_mm2 |
35
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
Physical / mechanical
| depth_mm |
85
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| dimensions_mm |
250 x 230 x 85
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| length_mm |
250
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| weight_kg |
3.14
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| width_mm |
230
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
Environment
| ip_rating |
IP 20
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| operating_temperature_max_c |
55
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
| operating_temperature_min_c |
0
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
Interfaces & connectors
| communication | RS485 (Modbus) |
| communications |
Open Steca RS-232 interface
Steca Solarix MPPT 3020 / 5020 product page (technical data table)
|
Documents
user_manual
Manual Solarix MPPT 3020 5020 (EN)
Recorded conflicts
electrical.battery_voltage_supported Review required
12 / 24 / 48 V — stored value
[12, 24, 48] — System voltage 12 / 24 / 48 V
Detected during import deep-enrich-2026-09-batch17
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | Steca is a German brand now published by Kontron Solar; the technical data table is not market-specific and the manuals are multilingual (DE/EN/ES/FR/FIN). |