Description
WAGO 879-3040 Energy Meter
Accurate 3-Phase Energy Monitoring with MID Certification
The WAGO 879-3040 Energy Meter (MID26) is designed for precise transformer-operated energy measurement in commercial and industrial installations. Suitable for 1A or 5A current transformer connections, it operates on 3×230/400V, 50Hz systems and provides reliable monitoring of energy consumption and supply.
MID approval makes it suitable for billing and cost allocation applications, ensuring compliance where certified measurement is required.
Compact 35mm Space-Saving Design
At just 35mm wide (2PU CT version), this energy meter is ideal for installations where control cabinet space is limited. Its slim profile allows higher device density without compromising performance.
Push-in CAGE CLAMP® technology with integrated lever ensures:
- Fast, tool-free conductor termination
- Secure and vibration-resistant connections
- Reduced installation time
Advanced Communication & Integration
Built for modern energy management systems, the meter includes:
- Modbus® interface
- M-Bus interface
- 2 x S0 pulse outputs
This allows seamless integration into BMS, EMS and monitoring platforms, enabling real-time data acquisition and remote analysis.
Full Energy Transparency at a Glance
The illuminated full-format display provides clear visibility of:
- Active energy (import/export)
- Reactive energy
- Voltage (all phases)
- Current (all phases)
- Power values
- Mains frequency
- Four-tariff energy measurement
All key parameters can be viewed instantly, supporting fast diagnostics and performance monitoring.
Intuitive Configuration & Smart Setup
Configuration is simple and flexible thanks to:
- Touch-sensitive front controls
- Bluetooth® connectivity
- Dedicated configuration app
This enables quick commissioning and parameter adjustment without complex programming procedures.
Technical Overview
- Model: 879-3040 (MID26)
- Transformer connection: 1A / 5A
- System: 3×230/400V
- Frequency: 50Hz
- Width: 35mm (2PU CT)
- Interfaces: Modbus®, M-Bus
- Outputs: 2 x S0 pulse
- Tariff capability: 4 tariffs
- MID approved for billing applications
