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Knowledge Base › Smart Meters

Official manufacturer GLOBAL verified Sept. 25, 2026

Identity

category smart_meters
manufacturer Omron
model KM50-E1-FLK
product_status active
region GLOBAL

Electrical

accuracy_active_power ±2.0% FS ±1 digit
KM50-E Smart Power Monitor / Specifications
accuracy_class Class 1 (IEC 62053-21) / Class B (EN 50470-3)
accuracy_current ±1.0% FS ±1 digit
KM50-E Smart Power Monitor / Specifications
accuracy_frequency_hz ±0.3 Hz ±1 digit
KM50-E Smart Power Monitor / Specifications
accuracy_power_factor ±5.0% FS ±1 digit
KM50-E Smart Power Monitor / Specifications
accuracy_voltage ±1.0% FS ±1 digit
KM50-E Smart Power Monitor / Specifications
baud_rate_kbps [1.2, 2.4, 4.8, 9.6, 19.2, 38.4]
KM50-E Smart Power Monitor / Specifications
bidirectional True
bidirectional_metering True
max_current_a 65.0
max_transmission_distance_m 500
KM50-E Smart Power Monitor / Specifications
measurement_type Current Transformer (CT)
official_product_url https://www.ia.omron.com/products/family/2714/specification.html
KM50-E Smart Power Monitor / Specifications — inventory record source_url
phase_count 1
phase_wiring_supported single-phase two-wire, single-phase three-wire, three-phase three-wire, three-phase four-wire
KM50-E Smart Power Monitor / Specifications
rated_frequency_hz 50/60
KM50-E Smart Power Monitor / Specifications
rated_input_current_a [5, 50, 100, 200, 400, 600]
KM50-E Smart Power Monitor / Specifications
rated_input_voltage 1P2W 100 to 480 VAC; 1P3W 100/200 VAC; 3P3W 100 to 480 VAC; 3P4W 58 to 277 VAC
KM50-E Smart Power Monitor / Specifications
supply_voltage_ac_v 100 to 240 VAC, 50/60 Hz
KM50-E Smart Power Monitor / Specifications
voltage_rating_v 230.0

Physical / mechanical

mounting DIN-rail
weight_kg 0.25
KM50-E Smart Power Monitor / Specifications

Environment

ip_rating Front panel IP66 (when mounted to a panel); rear case IP20; terminal section IP00
KM50-E Smart Power Monitor / Specifications
operating_temperature_max_c 55
KM50-E Smart Power Monitor / Specifications
operating_temperature_min_c -10
KM50-E Smart Power Monitor / Specifications

Interfaces & connectors

communication RS485 Modbus RTU
communications ['RS-485']
KM50-E Smart Power Monitor / Specifications
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': 'Communications - Communications method', 'quote': 'RS-485 (2-wire half-duplex)'}, {'port_role': 'CT', 'port_label_from_manual': 'Rated input current (primary current)', 'port_type': 'CT input', 'direction': 'input', 'electrical_domain': 'AC', 'document': 0, 'page': 'Ratings table - Rated input current', 'quote': '5 A, 50 A, 100 A, 200 A, 400 A, or 600 A (primary current)'}]
protocols ['Modbus RTU', 'CompoWay/F']
KM50-E Smart Power Monitor / Specifications

Documents

product_page KM50-E Smart Power Monitor / Lineup
product_page KM50-E Smart Power Monitor / Specifications

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

builder_completenesspartial
region_notesOMRON's English-language industrial-automation catalogue (ia.omron.com) is the source; OMRON is a Japanese manufacturer and uses the same designation worldwide.