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Eastron  |  SKU: SDM120CT-MODBUS-MID

Eastron SDM120CT Series | Single Phase CT Operated Energy Meter

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

The Eastron SDM120CT is a DIN rail single-phase energy meter for use with 1 A or 5 A CTs.

  • MID certified: Class 1 accuracy for billing
  • Compact: 1-module DIN rail housing
  • Bi-directional: measures import and export energy

VAT & Business Purchases

Prices include VAT at the rate of your EU delivery country, so the price shown is the price you pay. EU businesses with a valid VAT number can buy VAT-free: enter your company name and VAT number at checkout and VAT is removed under the intra-community reverse-charge rules. Orders delivered within Cyprus always include Cyprus VAT.

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  • Warranty & Support: Consumer purchases are covered by the 2-year legal guarantee of conformity, and manufacturer warranty terms apply per brand. Our engineering team at shopioT provides technical support.

Delivery and Shipping

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.

EU business? Enter your company name and a valid EU VAT number at checkout to remove VAT (reverse charge).

Description

The Eastron SDM120CT Series is an advanced, multi-parameter energy monitoring solution engineered for precision and versatility. Measuring only 17.5mm wide (1 DIN module), this meter is Current Transformer (CT) operated, supporting both 1A and 5A inputs for maximum installation flexibility. It provides comprehensive data on essential electrical parameters including kWh, kVarh, Watts, Voltage, Amps, and Power Factor. Fully MID B+D Certified in the UK, the SDM120CT is a reliable choice for legal billing, sub-metering, and energy management in residential, commercial, and industrial electrical panels.

Industrial Grade Sub-Metering

Multi-Parameter Telemetry Real-time tracking of Active/Reactive energy, Apparent power, Demand, and Frequency for deep electrical network insights.
Standardized Backhaul Equipped with dual pulse outputs as standard, with options for RS485 Modbus RTU or M-Bus for seamless BMS integration.

Professional Metering Scenarios

• Solar PV Systems: Measure both imported and exported energy for accurate renewable energy accounting.
• EV Charging Stations: Reliable sub-metering for electric vehicle chargers to manage billing and load balancing.
• Tenant Billing: Class 1 accurate metering for apartments and office spaces to ensure fair cost distribution.

Available Communication Options

• SDM120CT-Pulse: Dual pulse outputs for remote energy pulse counting.
• SDM120CT-Modbus: RS485 RTU interface for automation and industrial control systems.
• SDM120CT-Mbus: EN13757-3 compliant communication for utility data networks.

What is in the Box?

• 1 x Eastron SDM120CT Series Energy Meter
• 1 x Quick Start Guide

Product Certifications

MID Certified CE IP51

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

    Sensing: external current transformer (CT) operated

  • Measurement Range

    Nominal voltage (Un): 120 V or 230 V AC

    Operating voltage: 80–120% of Un

    CT secondary input: 1 A / 5 A (40 mA / 100 mA / 100 mV variants)

    CT primary: 5–9999 A (configurable)

    Frequency: 50/60 Hz

    Maximum reading: 999999 kWh

  • Measurement Accuracy

    Active energy: Class 1 / Class B

    Reactive energy: Class 2

    Voltage: 0.5%

    Current: 0.5%

    Frequency: 0.2% of mid-frequency

    Power factor: 1% of unity (0.01)

    Active/apparent power: ±1% of range maximum

    Reactive power: ±1% of range maximum

  • Power Source
    Self-powered (from measured line)
  • Power Input
    Self-powered from measured AC supply (120 V or 230 V AC)
  • Power Consumption
    ≤ 2 W / 10 VA
  • Dimensions
    118 × 18 × 64 mm (H × W × D)
  • Mounting Options
    DIN-Rail Mount
  • IP Rating
    IP51
  • Environment Rating
    Indoor
  • Operating Temperature
    -25°C to +55°C
  • Certifications
    CE, MID
  • Warranty
    2 Years

Document Library

SDM120CT Datasheet

SDM120CT User Manual

Payment & Security

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