FoxESS Smart Meter DDSU666 (single-phase)
Official manufacturer global (EN datasheet) перевірено 22 вересня 2026 р.
Identity
| category | smart_meters |
| ean | — |
| manufacturer | FoxESS |
| market_version | — |
| model | Smart Meter DDSU666 (single-phase) |
| mpn | DDSU666 |
| product_family | FoxESS Smart Meter (DDSU666 single-phase / DTSU666 three-phase) |
| product_status | active |
| region | global (EN datasheet) |
| release_year | — |
| sku | — |
Electrical
| ct_ratio | — |
| electrical_ratings | {'rated_voltage_vac': '176 ~ 288', 'rated_current_a': '0 ~ 80', 'accuracy_class': 'Class 1', 'power_consumption_w': '<=0.8', 'frequency_accuracy_hz': '+/-0.01'} |
| export_limitation_support | — |
| max_current_a | 80 |
| measurement_type | direct |
| modbus_rtu | true (RS485, 9600 baud; Modbus addresses configured per KH/KA manual) |
| modbus_tcp | False |
| phase_type | single-phase (1P2W) |
| rs485 | True |
| sources | [{'url': 'https://www.fox-ess.com/download/upfiles/EN-Smart-Meter-Datasheet-V1.1-20241128.pdf', 'title': 'FoxESS Smart Meter Datasheet (single-phase/three-phase)', 'doc_type': 'datasheet', 'publisher': 'FoxESS', 'revision': 'V1.1 2024/11/28', 'doc_date': '2024-11', 'language': 'en', 'accessed': '2026-09-01', 'confidence': 'officially-verified'}, {'url': 'https://www.fox-ess.com/Public/Uploads/uploadfile/files/Download/EN-KHKA-User-Manua-AU-20251021.pdf', 'title': 'KH/KA Series User Manual (AU)', 'doc_type': 'manual', 'publisher': 'FoxESS', 'revision': '2025-10-21', 'doc_date': '2025-10', 'language': 'en', 'region': 'AU', 'accessed': '2026-09-01', 'confidence': 'officially-verified'}] |
| supported_inverter_brands_models | FoxESS KH/KA series ('Compatible Meter type: DDSU666 (CHINT)', KH/KA user manual); sold by FoxESS as its Smart Meter |
Physical / mechanical
| cable_gland_sizes | — |
| depth_mm | 66 |
| din_rail_type | DIN35 rail |
| enclosure_material | — |
| height_mm | 85 |
| housing_color | — |
| mounting_hole_spacing_mm | — |
| mounting_type | ['DIN-rail'] |
| rack_units | — |
| screw_sizes | — |
| shipping_weight_kg | — |
| torque_specs | — |
| weight_kg |
1.2
FoxESS Smart Meter Datasheet (single-phase / three-phase) V1.1 — DDSU666 column 'Weight 1.2 kg'
|
| width_mm |
36
FoxESS Smart Meter Datasheet (single-phase / three-phase) V1.1 — DDSU666 column 'Dimensions 36*85*66 mm'
|
Installation
| direct_sunlight_restriction | — |
| indoor_outdoor | indoor (distribution enclosure); no IP rating stated in the datasheet |
| max_installation_altitude_m | — |
| mounting_orientation | DIN35 rail mounting inside a distribution board |
| surface_requirements | 35 mm DIN rail |
| ventilation_requirements | — |
Environment
| cooling_method | natural convection |
| ip_rating | — |
| max_altitude_m | — |
| noise_level_db | — |
| operating_temperature_c |
-25 ~ +55
FoxESS Smart Meter Datasheet (single-phase / three-phase) V1.1 — 'Operating Temperature -25 ~ +55'
|
| relative_humidity | 5 ~ 95 % (Non-condensing) |
| storage_temperature_c | -40 ~ +70 |
Interfaces & connectors
| can | — |
| ethernet | — |
| modbus_rtu | yes (RS485, 9600 bps) |
| protocol_notes | Datasheet communication row: 'RS485' at 9600 bps |
| rs485 | yes |
| usb | — |
| wifi | — |
Controls & display
| buttons | — |
| display_type | LCD display |
| leds | — |
| local_display | True |
| touchscreen | False |
Документи
Додаткові задокументовані параметри
Записано дослівно з джерела; поля схеми для них поки немає.
| Frequency accuracy | +/-0.01 Hz |
| Power consumption | <=0.8 W |
| Rated voltage | 176 ~ 288 Vac |
| withheld:product_status | "active" |