
Rogowski Coil Converter / Integrator with RS485 (Modbus RTU) | 600 A | IP66 | Wide Power Supply Range | S9.42
Code: ESS9.422Rogowski current measuring coil signal converter (integrator) with RS485 interface and Modbus RTU protocol, designed for reliable transmission of alternating current (AC) measurement data to automation and energy management systems. The device is adapted for outdoor and industrial environments, features IP66 protection, a wide power supply range, and supports one selectable rated current value (configured on order). The integrator is suitable for applications where the analog signal from a Rogowski coil needs to be converted into a digital (RS485) signal and integrated with PLC, SCADA, BMS, EMS, or energy monitoring systems.
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Technical Specifications
Type: Rogowski coil signal converter / integrator
Model: S9.42
Rated measured current: 600 A
Output interface: RS485
Communication protocol: Modbus RTU
Wiring: 4-core cable (RS485)
Frequency bandwidth: 30 Hz – 5 kHz
Power supply: 5 V DC / 12 V DC / 24 V DC
Protection class: IP66
Operating environment: indoor and outdoor conditions
Note: once a Rogowski coil is selected, the integrator and coil become inseparable
Package contents: Rogowski coil not included (sold separately)
Measurement type: AC current onlyFunctions
Integration and digitization of Rogowski coil signals
RS485 Modbus RTU – standard industrial communication
IP66 – resistant to dust and powerful water jets
Wide power supply options (5 / 12 / 24 V DC)
Stable operation over a wide current range
Applications
Home / advanced user:
Energy consumption monitoring in residential or commercial buildings, solution for transmitting measurement data to a central systemElectrician:
Integration into electrical panels, distribution points, and outdoor installations where IP66 protection is required, quick connection to RS485 networksEngineer / automation specialist:
Integration with PLC, SCADA, BMS, EMS, and IoT platforms, suitable for energy, industrial, and infrastructure projects, OEM solutions with predefined rated currentAdvantages
RS485 + Modbus RTU – widely supported standard
IP66 – suitable for outdoor use
Wide power supply options
Stable and reliable industrial solution
Limitations
Rogowski coil not included
Only one rated current value supported at a time
Integrator and coil cannot be separated after connection
Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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