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Eastron SEM3-M Modbus Energiezähler

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131.97 €
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Eastron SEM3-M Modbus Energiezähler

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131.97 € 131.97 EUR 131.97 €

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SKU
 EAS-SEM3-M

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The Eastron SEM3-M is a compact DIN-rail energy meter designed for the precise measurement of all relevant grid parameters in three-phase and single-phase networks. It measures voltage, current, active, reactive, and apparent power, power factor, as well as imported and exported energy (kWh, kVArh)—including 4-quadrant measurement and THD analysis. Flexible configuration as a 3-phase meter or three independent single-phase meters. Data transmission via RS485 Modbus RTU. Included in the scope of delivery: three ESCT-RJ10-3 split-core current transformers for tool-free retrofitting via RJ12 connectors—compatible with conductors up to 10 mm, rated currents 5–80 A, accuracy class 0.5 according to IEC 60044-1.
Equipment
sensors electricity
Communication
connectivity Modbus
Power supply
power supply mains voltage
Certifications
enclosure protection class IP20
Others
Brand Eastron
DataSheet_Eastron-SEM3-M_EN.pdf
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What are the primary applications for this energy meter?

This meter is designed for energy monitoring in applications such as PV energy management, smart buildings, and industrial equipment.
What level of accuracy does the meter provide for active energy measurements?

The meter is classified as Class B for active energy, which corresponds to an accuracy of ± 1%.
What types of electrical systems can this device monitor?

It is designed for 3-phase AC systems (both 3P and 3P+N) and supports measurements for either one 3-phase load or three individual 1-phase loads.
What are the physical dimensions and mounting requirements?

The device measures 19x68.5x94.5 mm and is designed for standard 35mm DIN rail mounting.
In what temperature conditions can the meter operate?

The unit is built for durability in various environments, with an operating temperature range of -40 °C to +70°C.
Does this model support wireless data transmission?

No, this specific model is optimized for wired industrial networking and features an RS485 port only; it does not include Wi-Fi connectivity.
What is the maximum distance for the RS485 communication line?

The RS485 interface supports half-duplex transmission over a maximum distance of 1000 meters.
What is the response time for data requests over Modbus RTU?

The meter provides high-speed communication with a response time of less than 50 milliseconds.
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