Knowledge Base › External MPPT Controllers
Western CO. WRM10
Official manufacturer GLOBAL verified Sept. 25, 2026
Identity
| category | external_mppt_controllers |
| manufacturer | Western CO. |
| model | WRM10 |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| battery_voltage_min_v |
10
Brochure WRM10
|
| battery_voltage_nominal_v | 12/24/36/48V Auto |
| battery_voltage_supported |
12 V
Brochure WRM10
|
| communication_interfaces | Bluetooth (Western Monitor app); Wi-Fi/4G cloud monitoring via W-Cloud app |
| efficiency_pct | 93.8-94.3 |
| max_charge_current_a | 30.0 |
| max_dc_voltage_v | 100.0 |
| max_efficiency_pct | 98.0 |
| max_efficiency_percent |
94.3
Brochure WRM10
|
| max_pv_open_circuit_voltage_v | 100.0 |
| max_pv_power_w | 150 |
| max_pv_voltage_v |
60
Brochure WRM10
|
| official_product_url |
https://www.western.it/en/products/wrm10/
Western CO. WRM10 product page — inventory record source_url
|
| rated_charge_current_a | 10 |
| relative_humidity_pct | 100 |
| self_consumption_w | 0.6 |
| warranty_years | 5 |
| weight_g | 500 |
Environment
| ip_rating | IP43 |
| operating_temperature_max_c |
50
Brochure WRM10
|
| operating_temperature_min_c |
-20
Brochure WRM10
|
| operating_temperature_range_c | -20 to 50 |
Interfaces & connectors
| bluetooth |
True
Western CO. WRM10 product page
|
| can |
False
Western CO. WRM10 product page
|
| communication | RS485 (Modbus) |
| communications |
['Bluetooth', 'Wi-Fi']
Western CO. WRM10 product page
|
| ethernet |
False
Western CO. WRM10 product page
|
| rs485 |
False
Western CO. WRM10 product page
|
| wifi |
True
Western CO. WRM10 product page
|
Protection
| protection_degree_ip | IP67 |
Certifications
| certifications | EN/IEC 62109-1, CEI EN 61000-6-1, CEI EN 61000-6-3 |
Documents
datasheet
Brochure WRM10
product_page
Western CO. WRM10 product page
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | Italian manufacturer; single CE specification. |