Eastron | SKU: SDM120-MODBUS-MID

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

€41,00

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A professional 45A direct-connect DIN rail energy meter providing comprehensive electrical telemetry for modern building management.

• MID Certified: B+D certified for legal billing and sub-metering.
• Direct Connect: Handles up to 45A without external transformers.
• Multifunction: Measures kWh, W, V, A, PF, and Frequency.

Data Output Protocol

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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 RoHS

Specifications

Primary Communication Protocol

Modbus RTU (RS485), M-Bus, Pulse Output
Activation Method

Plug & Play
Environment Rating

Indoor
IP Rating

IP51
Operating Temperature

-25°C to 55°C
Power Consumption

< 2W / 10VA
Measurement Technology
- Sensing Method: Direct connection for simplified installation
- Measurement Type: Bi-directional measurement (Import/Export/Net)
Measurement Range
- Nominal Voltage (Un): 230V AC (Operational: 80% to 120% of Un)
- Current Range: Base current 5A; Max current 45A
- Frequency: 50Hz or 60Hz
Measurement Accuracy
- Active Energy: Class 1 (IEC62053-21) / Class B (EN50470-3)
- Reactive Energy: Class 2 (IEC62053-23)
- Voltage/Current Accuracy: 0.5% of range maximum
Measurement Resolution
- Display: Backlit LCD for clear parameter visibility
- Pulse Output: 1000 imp/kWh (Pulse 2) / Configurable (Pulse 1)
- Baud Rate: Up to 9600 bps (Modbus/M-Bus versions)
Interfaces (I/O)

Pulse Counter, Current Sensor Input
Monitoring Parameters

Energy (kWh), Reactive Energy (kVarh), Active Power (W), Reactive Power (var), Apparent Power (VA), Voltage (V), Current (A), Power Factor, Frequency

Document Library

SDM120 Datasheet

SDM120 User Manual

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

VAT Free Transaction Option

Secure Payment & Warranty

Delivery and Shipping