Advanced Measurement
- Import/export active and reactive energy
- Four-quadrant reactive energy, apparent energy and THD
- Comprehensive demand and energy registers
← Energy Meter Solution
Commercial & industrial metering
LR301
Three-Phase Four-Wire Smart Meter
A three-phase smart meter for commercial and industrial energy management, combining four-quadrant measurement, load control and advanced data recording.
Key Features
Built for accurate, connected metering.
01
Class 1.0 active energy accuracy
02
Four-quadrant energy and demand measurement
03
Internal breaker for flexible load control
04
Neutral-current and imbalance detection
05
Multi-tariff and extensive load-profile support
06
IEC 62056 DLMS and IEC 62055-41 STS support
Core Capabilities
More than measurement.
Tariff, Records & Control
- Multi-tariff calendar with season, week and day tables
- Up to 90 days of 15-minute load-profile data
- Bi-stable relay, over-current and power-limitation control
Communication & Security
- IEC 62056-21 optical local communication
- Plug-and-play RF, PLC or cellular communication
- AES-128 / GMAC authentication and encryption
Technical Specifications
Essential parameters.
Key values are summarized below. Download the complete datasheet for detailed functions, dimensions and wiring information.
- Reference voltage
- 3×230/400 V
- Operating range
- 70%-120% Un
- Basic current
- 5 A or 10 A
- Maximum current
- 60 A / 80 A / 100 A
- Accuracy
- Class 1.0 kWh; Class 2.0 kvarh
- Frequency
- 50 Hz ±2%
- Pulse constant
- 800 imp/kWh
- Operating temperature
- -25°C to +55°C
- Protection
- IP54; Class II
- Design lifetime
- ≥15 years
Complete Documentation
LR301 Product Datasheet
Technical details, main functionalities, installation dimensions and connection diagram.