Rigid high-voltage current measuring coil | “Rogowski” ring | up to 24 kV | Ø48 mm | rigid construction | IP68 | KRC-50

Technical Specifications

Type: Rigid current measuring coil (Rogowski coil)
Model: KRC-50
Construction: Rigid
Insulation level: up to 24 kV
Inner diameter: 48 mm
Outer diameter: 96 mm
Thickness: 28 mm
PCB construction: 6-layer PCB
Output signal ratio (uncalibrated): 1.025 mV/kA @ 50 Hz
Internal resistance: 2.07 kΩ
Operating frequency range: 1 Hz – 20 kHz
Accuracy: ±0.5% (temperature drift: 200 ppm/°C)
Linearity: ±0.2% (from 1% to 100% of rated current)
Position error: ±1%
Output connection: SR12 screw terminal (IN+)
Protection class: IP68
Measurement type: AC current only

Functions

Ultra-high voltage (up to 24 kV) current measurement

Rigid construction – stable and repeatable measurement results

IP68 protection – complete dust protection and long-term immersion resistance

Wide frequency range – suitable for both energy metering and dynamic process analysis

Reliable 6-layer PCB technology – enhanced stability and accuracy

Applications

Home / advanced user:
Monitoring energy consumption and loads of high-power equipment, long-term measurement points where reliability is critical

Electrician:
Work in high-voltage switchgear and outdoor installations, solution where IP protection and mechanical robustness are required, reliable installation without additional enclosures

Engineer / automation specialist:
Integration with energy analyzers, PLC, SCADA, BMS, EMS, suitable for power engineering, substations, distribution networks, and OEM solutions where accuracy and certifiable design are essential

Advantages

Insulation level up to 24 kV

IP68 – suitable for extreme environmental conditions

High accuracy and excellent linearity

Rigid construction – long-term stability

Wide frequency range (1 Hz – 20 kHz)

Limitations

Less mounting flexibility compared to flexible Rogowski coils

Designed for alternating current (AC) only

Requires a compatible integrator / measurement module