SolarEdge SE-WND-3Y400-MB-K2
Official manufacturer EU verified Sept. 23, 2026
Identity
| brand | SolarEdge |
| category | smart_meters |
| manufacturer | SolarEdge |
| manufacturer_key | solaredge |
| model | SE-WND-3Y400-MB-K2 |
| model_key | sewnd3y400mbk2 |
| product_family | SolarEdge Energy Meter |
| product_status | active |
| region | EU |
| series | Energy Meter with Modbus Connection |
| variant | — |
Electrical
| accuracy_class |
±1.0 % (1% - 100% of Rated CT Current, @25°C, PF 1)
disputed
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| bidirectional_metering | True |
| ethernet_port_count |
0
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| frequency_hz | 48 to 62 |
| grid_frequency_hz |
48-62
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| humidity_range_pct | 5 to 90, non-condensing |
| local_modbus_available |
True
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| measured_phases | Single phase (L/N/PE) and three phase (L1/L2/L3/N/PE) |
| measurement_type | Current Transformer (CT) |
| meter_type |
CT-operated wide-range energy meter with Modbus RS485 connection
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| modbus_default_device_id |
2
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| operating_voltage_v |
320-460 Vac line-to-line / 184-264 Vac line-to-neutral
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| phase_count |
1 or 3 (Single Phase L/N/PE; Three Phase L1/L2/L3/N/PE)
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| physical_interfaces |
['RS485']
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| power_consumption_w |
1.8 (typ.)
disputed
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| rated_voltage_v |
400 Vac line-to-line / 230 Vac line-to-neutral
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| response_time |
≤1 sec
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| response_time_s | <= 1 |
| rs485_line_termination |
120 Ω
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| supported_ct_ratios |
SECT-SPL-100A-A (100 A), SECT-SPL-250A-A (250 A), SECT-SPL-1000A-A (1000 A)
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| voltage_range_v | Nominal 400 Vac L-L / 230 Vac L-N; operating 320-460 Vac L-L, 184-264 Vac L-N |
Physical / mechanical
| dimensions_mm | 85 x 153 x 38 (H x W x D) |
| weight_kg | 0.31 |
Installation
| mounting | DIN rail / wall mount |
Environment
| operating_temperature_range_c | -40 to 75 |
Interfaces & connectors
| communication_protocol | Modbus over RS485; default Modbus device ID 2; 120 ohm line termination |
| documented_ports | [{'port_role': 'RS485', 'port_label_from_manual': 'Supported Communication Interfaces', 'port_type': 'terminal', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'COMMUNICATION', 'quote': 'Supported Communication Interfaces: RS485; RS485 line termination: 120 Ω'}, {'port_role': 'CT', 'port_label_from_manual': 'Current transformer inputs', 'port_type': 'terminal', 'direction': 'input', 'electrical_domain': 'communication', 'quantity': 3, 'document': 0, 'page': 'CURRENT TRANSFORMER MODELS', 'quote': 'SECT-SPL-100A-A (100 A), SECT-SPL-250A-A (250 A), SECT-SPL-1000A-A (1000 A)'}] |
| protocols |
['Modbus RTU']
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
| rs485 | True |
| wifi |
False
SolarEdge Energy Meter with Modbus Connection (SE-WND-3Y400-MB-K2) datasheet, UK edition
|
Protection
| protection_degree_ip | Indoor rated (outdoor only when installed in an outdoor enclosure); enclosure ABS / ABS-PC plastic UL 94V-0, IEC FV-0 |
Documents
Recorded conflicts
electrical.power_consumption_w Review required
1.8 (typ.) — stored value
1.8 typical — incoming package
Detected during import deep-enrich-pass2-2026-09-batch16
electrical.accuracy_class Review required
±1.0 % (1% - 100% of Rated CT Current, @25°C, PF 1) — stored value
+/- 1.0 % from 1% to 100% of rated CT current (at 25 °C, PF 1) — incoming package
Detected during import deep-enrich-pass2-2026-09-batch16
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | 400 V L-L / 230 V L-N, 48-62 Hz; the datasheet opened was SolarEdge's UK edition of the Energy Meter with Modbus Connection. It supports both single-phase (L/N/PE) and three-phase (L1/L2/L3/N/PE) connection. |
| withheld:direct_current_max_a | "not applicable - CT-operated meter" |
| withheld:rs485_port_count | 1 |