Omron KM-N3-FLK
Official manufacturer GLOBAL verified Sept. 25, 2026
Identity
| brand | Omron |
| category | smart_meters |
| manufacturer | Omron |
| manufacturer_key | omron |
| model | KM-N3-FLK |
| model_key | kmn3flk |
| product_family | Smart Power Monitor |
| product_status | active |
| region | GLOBAL |
| series | KM-N3 |
Electrical
| accuracy_class | Class 1 (IEC 62053-21) / Class B (EN 50470-3) |
| active_energy_accuracy_class |
IEC 62053-22 class 0.5S
KM-N3-FLK Power Monitor / Specifications
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| active_power_accuracy_percent |
0.5
KM-N3-FLK Power Monitor / Specifications
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| baud_rate_kbps |
[1.2, 2.4, 4.8, 9.6, 19.2, 38.4]
KM-N3-FLK Power Monitor / Specifications
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| bidirectional_metering | True |
| connectable_ct |
general-purpose CT with 1 A or 5 A rated secondary
KM-N3-FLK Power Monitor / Specifications
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| display |
LCD indications and operation buttons
KM-N3-FLK Power Monitor / Specifications
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| measurement_type | Current Transformer (CT) |
| official_product_url |
https://www.ia.omron.com/products/family/3649/specification.html
KM-N3-FLK Power Monitor / Specifications — inventory record source_url
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| operating_altitude_m_max |
2000
KM-N3-FLK Power Monitor / Specifications
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| phase_count | 3 |
| phase_wiring_supported |
single-phase two-wire, single-phase three-wire, three-phase three-wire, three-phase four-wire
KM-N3-FLK Power Monitor / Specifications
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| power_consumption_va |
7
KM-N3-FLK Power Monitor / Specifications
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| rated_frequency_hz |
50/60
KM-N3-FLK Power Monitor / Specifications
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| rated_input_voltage |
1P2W 100-277 VAC; 1P3W 100-240 VAC (L-N) / 200-480 VAC (L-L); 3P3W 173-277 VAC (L-L); 3P4W 100-277 VAC (L-N) / 173-480 VAC (L-L)
KM-N3-FLK Power Monitor / Specifications
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| reactive_energy_accuracy_class |
IEC 62053-23 class 2
KM-N3-FLK Power Monitor / Specifications
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| reactive_power_accuracy_percent |
2
KM-N3-FLK Power Monitor / Specifications
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| sampling_cycle_ms |
[80, 66.7]
KM-N3-FLK Power Monitor / Specifications
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| supply_voltage_ac_v |
100 to 240 VAC (50/60 Hz)
KM-N3-FLK Power Monitor / Specifications
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Physical / mechanical
| depth_mm |
64
KM-N3-FLK Power Monitor / Specifications
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| height_mm |
96
KM-N3-FLK Power Monitor / Specifications
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| weight_kg |
0.35
KM-N3-FLK Power Monitor / Specifications
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| width_mm |
96
KM-N3-FLK Power Monitor / Specifications
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Installation
| mounting |
on-panel installation
KM-N3-FLK Power Monitor / Specifications
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Environment
| operating_temperature_max_c |
55
KM-N3-FLK Power Monitor / Specifications
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| operating_temperature_min_c |
-25
KM-N3-FLK Power Monitor / Specifications
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| storage_temperature_max_c |
85
KM-N3-FLK Power Monitor / Specifications
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| storage_temperature_min_c |
-25
KM-N3-FLK Power Monitor / Specifications
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Interfaces & connectors
| communications |
['RS-485']
KM-N3-FLK Power Monitor / Specifications
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| documented_ports | [{'port_role': 'RS485', 'port_label_from_manual': 'RS-485 (2-wire half-duplex)', 'port_type': 'RS-485', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Performance table - Communications method', 'quote': 'Communications method: RS-485 (2-wire half-duplex)'}, {'port_role': 'CT', 'port_label_from_manual': 'Connectable CTs', 'port_type': 'CT input', 'direction': 'input', 'electrical_domain': 'AC', 'document': 0, 'page': 'Ratings table - Connectable CTs', 'quote': 'Connectable CTs: General-purpose CT with 1 A or 5 A rated secondary'}] |
| protocols |
['Modbus RTU', 'CompoWay/F']
KM-N3-FLK Power Monitor / Specifications
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Documents
product_page
KM-N3-FLK Power Monitor / Lineup
product_page
KM-N3-FLK Power Monitor / Specifications
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | OMRON's English-language industrial-automation catalogue (ia.omron.com) describes this as a global power monitor; the manufacturer is Japanese and the same designation is used worldwide. |