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Eastron  |  SKU: SDM120-MODBUS-MID

Eastron SDM120 Series | 45A Direct Connect Single Phase Energy Meter

Price incl. 19% VAT
Regular price €51,00
Price excl. VAT
€42,86
Shipping calculated at checkout. Shipping policy

The Eastron SDM120 is a 45 A direct-connect single-phase DIN rail energy meter.

  • MID certified: B+D for billing and sub-metering
  • Direct connect: up to 45 A without external CTs
  • Measures: kWh, W, V, A, PF and frequency

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Tracked delivery to Cyprus, all EU member states, the United Kingdom and Switzerland via ACS Courier, Cyprus Post or FedEx. Orders ship from our warehouse in Nicosia, Cyprus, typically within 1–3 business days. See our Shipping Policy for delivery times.

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Description

The Eastron SDM120 Series is a compact yet powerful Single Phase Energy Meter designed for direct connection in circuits up to 45A. Occupying only a single DIN module (17.5mm), this series is the ideal solution for space-constrained electrical panels where high-precision sub-metering is required. Each meter features a clear, backlit LCD for local data visualization and is MID B+D Certified, making it fully compliant for electricity billing applications across Europe. Whether you are monitoring individual apartments, EV charging points, or industrial machinery, the SDM120 provides Class 1 accuracy and reliable long-term performance.

Advanced Energy Analytics

Bi-Directional Measurement Perfect for solar PV applications, the meter accurately tracks both imported energy and exported energy (Net kWh).
Standard Interface Support Equipped with two pulse outputs and optional RS485 Modbus or M-Bus interfaces for seamless BMS and IoT integration.

Professional Metering Scenarios

• Smart Homes: Cost-effective energy monitoring for individual circuits or whole-home consumption.
• EV Infrastructure: MID certified billing for public and private electric vehicle charging stations.
• Commercial Sub-metering: Efficient load management and tenant energy allocation for retail and office units.

Communication Versions

• SDM120-Pulse: Dual pulse outputs (Import/Export) for simple data logging.
• SDM120-Modbus: RS485 Modbus RTU for integration with PLC and SCADA systems.
• SDM120-Mbus: EN13757-3 compliant for connection to utility data networks.

What is in the Box?

• 1 x Eastron SDM120 Series Energy Meter
• 1 x Installation & Configuration Guide

Product Certifications

MID Certified CE IP51

Specifications

  • Primary Communication Protocol
    RS485 / Modbus RTU, M-Bus, Pulse Output
  • Interfaces (I/O)
    Pulse Counter, Current Sensor Input
  • Activation Method
    Plug & Play
  • Monitoring Parameters
    Energy (kWh), Reactive Energy (kVarh), Active Power (W), Reactive Power (var), Apparent Power (VA), Voltage (V), Current (A), Power Factor, Frequency
  • Measurement Range

    Nominal voltage (Un): 230 V AC

    Operating voltage: 85–276 V AC

    Basic current (Ib): 5 A

    Maximum current (Imax): 45 A

    Starting current: 0.4% Ib

    Frequency: 50/60 Hz

    Maximum reading: 99999.9 kWh

  • Measurement Accuracy

    Active energy: Class 1 (IEC 62053-21) / Class B (EN 50470-3)

    Reactive energy: Class 2 (IEC 62053-23)

    Voltage: ±0.5%

    Current: ±0.5%

    Frequency: ±0.2%

    Power factor: ±1%

    Active/reactive/apparent power: ±1%

  • Power Source
    Self-powered (from measured line)
  • Power Input
    Self-powered from measured AC supply (230 V AC nominal)
  • Power Consumption
    ≤ 2 W / 10 VA
  • Dimensions
    119 × 17.5 × 62 mm (1 DIN module)
  • Mounting Options
    DIN-Rail Mount
  • IP Rating
    IP51
  • Environment Rating
    Indoor
  • Operating Temperature
    -25°C to +55°C
  • Certifications
    CE, MID
  • Warranty
    2 Years

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