VCX SDM120M Single-Phase Bidirectional Energy Meter with Modbus RTU (MID)

The VCX SDM120M is a high-precision single-phase energy meter designed for bidirectional measurement of active and reactive energy. With Modbus RTU (RS485) communication and MID certification (Module B+D), it is ideal for sub-metering, billing, and energy monitoring applications in residential, commercial, and industrial environments.

Advantages

Bidirectional measurement (import/export) for net metering; MID certified for billing accuracy; Modbus RTU integration for remote data logging; compact DIN rail mount (1 module) saves space; LCD backlit display for easy reading; S0 pulse output for additional metering.

Suitable for

• Energy monitoring and management systems
• Sub-metering in multi-tenant buildings
• Solar PV net metering installations
• Industrial and commercial energy audits
• Billing applications requiring MID compliance

Key specifications

• Meter Type: Single-phase Energy Meter
• Measurement: Active Energy (kWh), Reactive Energy (kVarh)
• Communication: Modbus RTU (RS485)
• Bidirectional: Yes (Import & Export)
• MID Certification: Yes (Module B+D)
• Nominal Voltage: 230V AC
• Max Current: 45A (direct connect)
• Frequency: 50/60 Hz
• Accuracy Class: Class 1 (Active Energy)
• Display: LCD with Backlight
• Pulse Output: S0 (configurable)
• Mounting: DIN Rail (1 module)
• Operating Temperature: -25°C to +55°C
• Protection Rating: IP51 (front)
• Measured Parameters: Voltage, Current, Active Power, Power Factor
• Starting Current: 20mA
• Power Consumption: < 2W
• Data Storage: Non-volatile memory

Recommendations

For optimal performance, use with a compatible Modbus RTU master device and ensure proper installation by a qualified electrician. The meter is suitable for indoor use only.