S111
S111 Three-Phase Multi-Functional Smart Meter
Reliable, high-accuracy monitoring of power and energy consumption for industrial applications.

Three-phase and single-phase power measurement

Wide voltage range up to 720 VAC

High accuracy with Rogowski coil current sensors (100A, 1000A, 3000A)

Compact design for DIN rail mounting

Easy installation with plug-and-play RJ12 connectors

Modbus/RTU interface for seamless integration

Optimize compressor efficiency and reduce energy costs

Real-time measurement for precise energy monitoring
The S111 Three-Phase Multi-Functional Smart Meter ensures accurate and reliable power and energy monitoring in industrial environments. Traditional power meters often rely on estimations, but the S111 takes a different approach by measuring voltage and current on all three phases in real time. This results in highly precise readings and more reliable data.
This level of precision allows businesses to monitor and optimize their power consumption more effectively, reducing waste and improving overall energy efficiency.
Seamless Integration
The S111 connects effortlessly to existing industrial networks via Modbus/RTU, ensuring compatibility with a wide range of monitoring and control systems. This ensures compatibility with a wide range of industrial monitoring and control systems, enabling real-time tracking and analysis of power usage.
The device is particularly well-suited for industries that rely on consistent and efficient energy management, such as manufacturing, HVAC, and renewable energy applications.
Compact and Durable Design
Built for easy installation, the S111 fits neatly onto DIN rails in control cabinets, saving space while maintaining robust performance. The inclusion of Rogowski coil technology simplifies the current measurement process, ensuring high accuracy without requiring complex wiring setups. Additionally, the device’s robust construction and IP20 protection class guarantee long-term reliability even in demanding industrial conditions.
Check out the Applications tab to see how the S111 can enhance your industrial power management!
The S111 Smart Meter is a versatile solution for energy monitoring across multiple industries:
- Compressor Monitoring: Measures power consumption to assess compressor efficiency and optimize energy use. With real-time power usage data, operators can quickly spot inefficiencies and adjust processes to improve performance and lower costs.
- Industrial Power Management: Enables real-time energy monitoring to reduce costs and improve operational efficiency. By analyzing power consumption patterns, businesses can implement targeted energy-saving measures that lead to significant cost reductions and increased sustainability.
- HVAC and Building Automation: Ensures precise power measurement in heating, ventilation, and air conditioning systems. This is crucial for maintaining optimal indoor climate conditions while minimizing energy waste, resulting in improved comfort and reduced electricity expenses.
- Renewable Energy Systems: Provides accurate power tracking for solar and wind energy applications. The S111’s ability to monitor voltage and current in real-time makes it an essential tool for optimizing energy production and distribution in renewable energy installations.
- Manufacturing and Process Control: Helps maintain consistent power supply and prevent system inefficiencies. Reliable power monitoring ensures that manufacturing processes remain stable, preventing costly downtimes and production disruptions.
Signal / Interface & Supply | |
Electrical Data | |
Power supply | 18 – 36 VDC, 3.5 VA |
Input Signals | |
Phase voltage | L1, L2, L3, N, max 720 VAC |
Current sensor | 3 x Rogowsky coils, integrated type, RJ12 |
Output Signals | |
Interface | Modbus/RTU RS 485 |
General data | |
Miscellaneous | |
Protection class | IP20 |
Dimensions | 95 x 73 x 66 mm |
Display | 1.77” color (TFT screen display) |
Weight | 0.260 kg |
Operating conditions | |
Operating temperature | -25°C ... +60°C |
Personal advice
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