The RFSY‑70‑50 Rogowski coil paired with the TRS01‑420DC‑1 integrator forms a high‑performance AC current sensing system designed for industrial, power quality, and energy monitoring applications. This combined solution delivers wide‑bandwidth current measurement with excellent linearity, fast response, and a standardized 4–20 mA DC output compatible with modern control and monitoring systems.
The RFSY‑70‑50 is a flexible Rogowski coil featuring a 70 mm opening, allowing effortless installation around busbars, cables, or irregular conductor geometries. Its non‑intrusive design eliminates the need to disconnect conductors, making it ideal for retrofit installations and environments where downtime must be minimized.
With a frequency range from 10 Hz to 20 kHz and a typical accuracy of 0.5%, the coil captures both fundamental AC currents and high‑frequency components generated by inverters, switching devices, and power electronics. The ±0.2% linearity ensures precise measurement across the entire operating range.
The TRS01‑420DC‑1 integrator processes the coil’s low‑level voltage signal and converts it into a stable 4–20 mA DC True RMS output, suitable for PLCs, SCADA systems, data loggers, and protection equipment. With a rated input of 1000 A and a response time under 100 ms, it provides reliable real‑time monitoring even in dynamic load conditions.
The Rogowski coil features IP67 protection and durable TPR insulation, ensuring reliable operation in harsh industrial settings. The integrator’s compact IP20 housing supports easy panel or enclosure installation. Together, they deliver a long‑life sensing solution for electrical systems up to 1000 V CAT III / 600 V CAT IV.
| Input Range | 1000A |
| Rated Output | 4-20mA |
| Accuracy | ±1% |
| Connection Type | Screw Terminal |
| Mounting Type | Free Hanging(In-Line) |
| Feature | IP20 |
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