SDM 72 DM MID Three-Phase Energy Meter Modbus

The SDM 72 DM MID is a compact, DIN rail-mounted three-phase energy meter designed for accurate measurement of active and reactive energy in commercial and industrial applications. With direct connection up to 100A and Modbus RTU communication, it enables seamless integration into energy management systems. MID certified (Module B + D) for billing purposes.

Advantages

High accuracy Class 1 (active) and Class 2 (reactive) ensures reliable billing data. The backlit LCD display provides clear readout of all measured parameters. Two configurable S0 pulse outputs allow for remote monitoring. Modbus RTU interface facilitates easy data logging and system integration.

Suitable for

• Sub-metering in commercial buildings
• Industrial energy monitoring
• Solar PV system monitoring
• Building management systems (BMS)
• Cost allocation and billing applications

Key specifications

• Measurement: Three-phase (3-wire or 4-wire)
• Connection: Direct up to 100A
• Voltage: 3x230/400V AC, 50/60 Hz
• Accuracy: Class 1 (IEC 62053-21) / Class B (EN 50470-3) active; Class 2 (IEC 62053-23) reactive
• Communication: Modbus RTU (RS485)
• Pulse output: 2x S0 (configurable)
• Display: Backlit LCD
• Mounting: DIN rail (EN 60715), 4 modules (72mm)
• Operating temperature: -25°C to +55°C
• IP rating: IP51 (front), IP20 (terminals)
• MID certified: Yes (Module B + D)

Recommendations

For optimal performance, use with a compatible Modbus master device and ensure proper wiring according to the installation manual. The meter supports both 3-phase 4-wire and 3-phase 3-wire configurations.