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Three-phase Multifunctional Power Meter (rail-mounted)

The LY - 300XE is a new-generation miniature rail-mounted power meter. It features LCD display and energy pulse output. With RS485 communication interface, it can exchange data with host computers, facilitating automated electricity management. It complies with relevant standards and is known for its small size, high precision, and reliable performance.

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Three-phase multifunctional power meter Rail-mounted power meter Power meter for household Three-phase power meter Electrical power measurement device Power meter for industrial

Product Advantage

Technical Parameters

Product Uses

Product Operate Guide

FAQ

High Precision: With an energy accuracy class of 1.0 level, it can accurately measure and record electrical parameters within the range of 0 - 999999.9KWh, ensuring reliable data acquisition.

Multiple Functions: It can measure parameters like U, I, P, Q, F, and conduct three-phase energy metering. The 7-segment LCD display shows various information in pages, providing comprehensive data monitoring.

Good Compatibility: Supporting Modbus - RTU and DLT645 - 2007 protocols, it can easily integrate with other devices in the power system, enhancing system connectivity.

Easy Installation: Adopting 35mm standard rail installation method, it simplifies the installation process. The compact design saves installation space.

Energy Accuracy Class

1.0 level

Energy Measurement Range

0 - 999999.9KWh

Rated Voltage

AC 3x 220/380V

Current Specifications

1.5(6)A、5(20)A、10(40)A、15(60)A、20(80)A

Operating Voltage

Normal: 0.9 - 1.1Un

Limit: 0.7 - 1.2Un

Reference Frequency

45 - 65Hz

Starting Current

0.004Ib

Power Consumption

≤5VA

Pulse Output

Pulse Width: 80 ± 20ms

Optocoupler Isolated Output

Digital Communication

RS485 Interface

Modbus RTU DLT645 - 2007 Protocol

Temperature Range

-10°C - +55°C

Relative Humidity

≤95% non-condensing

Overall Dimensions

126X97×76

Industrial Power Monitoring: In factories, it can monitor the power consumption of various production equipment in real-time, helping enterprises analyze energy usage and optimize production processes to reduce costs.

Building Power Management: For commercial buildings or residential complexes, it can measure and manage the electricity consumption of different floors or households, facilitating energy distribution and billing.

Power Grid Substations: It can be used in substations to collect and transmit power data of the grid, providing data support for power grid operation and maintenance.

1. Installation: Use the 35mm standard rail installation method. Insert the meter into the rail and ensure it is firmly fixed with the installation buckle.

2. Wiring: Connect the wires according to the wiring diagram provided in the manual. Tighten the screws to ensure good contact. For currents greater than 80A, an external /5A current transformer is required.

3. Operation: After installation and wiring, the meter will automatically start working. The display can be toggled through the buttons to view different electrical parameters.

4. For detailed operation, please refer to the attached PDF installation and use manual.

1. Q: What should I do if the meter display is abnormal?

A: First, check the wiring to ensure it is correct and the connections are tight. If the problem persists, contact our customer service. Provide details such as the model and the specific abnormal situation for further assistance.

2. Q: Can the communication protocol be customized?

A: The meter supports Modbus - RTU and DLT645 - 2007 protocols by default. At present, we do not provide custom communication protocol services. If you have special needs, please consult our technical staff.

3. Q: How to choose the appropriate current specification?

A: It depends on the actual current of the circuit to be measured. Generally, select a current specification slightly larger than the normal working current. If you are unsure, you can consult our salesperson for professional advice.