Rigid high-voltage current measuring coil | Rogowski coil | 100 A | up to 10 kV | Ø25 mm | 8 m cable | rigid construction | IP67 | KRC-25

Technical Specifications

Type: Rigid current measuring coil (Rogowski coil)
Model: KRC-25
Construction: Rigid
Inner diameter: 24–25 mm
Outer diameter: 63 mm
Thickness: 18 mm
Rated measured current: 100 A
Output signal ratio: 370 ±10 mV/kA @ 50 Hz
Manufacturing tolerance: < 5%
Measurement accuracy: ±0.5%
Temperature drift: < 100 ppm/°C
Linearity: < ±0.1% (from 1% to 100% of rated current)
Position error: < ±0.5%
Frequency bandwidth (−3 dB): 1 Hz – 10 kHz
Insulation resistance: up to 10 kV
Cable length: 8 meters
Protection class: IP67
Measurement type: AC current only

Functions

High-voltage (up to 10 kV) current measurement

Rigid construction – stable and repeatable results

IP67 – suitable for outdoor and humid environments

Wide current measurement range – one platform for multiple applications

Wide frequency bandwidth – suitable not only for energy metering but also for dynamic process analysis

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 requiring IP67 protection and mechanical robustness, reliable installation without additional enclosures

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

Advantages

Insulation resistance up to 10 kV

IP67 – dust- and water-resistant

Very high accuracy and excellent linearity

Wide frequency bandwidth (1 Hz – 10 kHz)

Rigid construction – stable long-term measurements

Limitations

Less mounting flexibility compared to flexible Rogowski coils

Designed for alternating current (AC) only

Requires compatible measuring / integrator equipment