Reliable and accurate current measurement is the backbone of any effective energy and power management system, and Split-Core Current Transformers (CTs) play a crucial role in making this possible—especially in retrofit and brownfield environments. ENERSIS Split-Core CTs are engineered to deliver precise, dependable measurements without disrupting existing electrical infrastructure. Designed for live installations, these CTs eliminate the need to disconnect cables or shut down equipment, making them a practical and cost-effective solution for modern energy monitoring requirements across industrial, commercial and utility applications.
Non-intrusive split-core design allows fast and safe installation on live conductors, minimizing downtime and operational risk
Ideal for retrofit and brownfield projects, enabling energy monitoring upgrades without modifying existing switchboards
Suitable for both LV and MV panels, ensuring flexibility across a wide range of electrical systems
Wide current range options, typically from 100A up to 4000A, with customizable outputs including Modbus, mV, mA, 1A or 5A to suit different metering needs
High accuracy performance supports reliable energy monitoring, power analysis and maximum demand control
Fully compatible with most power meters and Energy Monitoring Systems (EMS) for seamless system integration
Supports ISO 50001 energy management requirements, enabling precise measurement and data-driven energy optimization
Well-suited for temporary load studies, energy audits, and permanent installations, offering long-term measurement stability
With their versatility, precision and ease of installation, ENERSIS Split-Core Current Transformers are a smart choice for engineers and facility managers looking to enhance visibility into energy usage without operational disruption. Whether you are implementing a full Energy Monitoring System, conducting load studies or improving demand management strategies, these CTs provide a reliable measurement foundation.
Contact ENERSIS today to find the right Split-Core CT solution for your energy monitoring project and take control of your power performance with confidence.
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Rogowski Coils are a highly versatile and modern solution for current measurement, especially in applications where traditional current transformers are difficult or impossible to install. Designed with flexibility and ease of use in mind, Rogowski coils are lightweight, non-intrusive sensors that can be wrapped around large, irregular or tightly packed conductors without interrupting the electrical system. This makes them particularly suitable for temporary measurements, high-current environments and fast-deployment energy monitoring tasks in industrial and commercial settings.
Flexible wrap-around coil design allows easy installation around busbars, cables and irregular conductors, even in tight or congested spaces
Wide current measurement range, making Rogowski coils ideal for very high current applications where conventional CTs may saturate
No magnetic core and no saturation, ensuring excellent performance during dynamic load conditions, transients, and fluctuating currents
Lightweight and portable, enhancing safety and convenience for temporary or short-term installations
Compatible with portable power meters, data loggers, and analyzers, making them ideal for field measurements and rental projects
Fast installation and removal, reducing setup time for audits, diagnostics and troubleshooting
Excellent performance for large busbars and generators, where space constraints or conductor size limit the use of split-core CTs
Rogowski coils are commonly used in temporary power logging, rental and project-based monitoring, generator testing and rapid field measurements where speed, flexibility, and high current capability are essential.
| Feature | Split-Core CT | Rogowski Coil |
|---|---|---|
| Installation | Clamp-on | Flexible wrap-around |
| Best for | Permanent & retrofit EMS | Temporary & high current |
| Accuracy | High | Very good (with integrator) |
| High current capability | Limited by core | Excellent |
| Space constraints | Moderate | Excellent |
Choosing the right current sensor depends on your application, installation environment, and monitoring objectives. While split-core CTs are ideal for permanent and retrofit Energy Monitoring Systems, Rogowski coils excel in high-current, space-constrained and temporary measurement scenarios.
Not sure which sensor suits your application? Talk to our engineer today and let ENERSIS help you select the most reliable and efficient current measurement solution for your project.
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