Rogowski Coil Current Sensor with Voltage Integrator


Application: The JRF333M/MB are incorporated into applications where it is necessary that the sensor be capable of responding to a wide operating current range, a wide frequency bandwith and/ or is exposed to harsh operating conditions.
  • Single loop primary, capable of accommodating a range of primary conductor sizes.
  • Characterized by high sensitivity, accuracy, linearity, minimum phase shift.
  • Suitable for harsh operating environments (temperature, humidity, EMI).
  • Current Range: 10A to 42kA
  • Input Frequency: 45Hz to 600HZ
  • Accuracy: < 1%
  • Phase Shift: < 1 degrees at 50/60Hz (< 0.5 degrees typical) /li>
  • Linearity: ±0.2% from 10% to 100% of rated primary current
  • Primary Conductor Position Sensitivity: ± 2% maximum
  • Influence of External Field: ± 1.5% maximum
  • Coil Working voltage: 1000VRMS or 1000VDC
  • Coil Dielectric Surge Withstand: 5kVRMS for 1 minute (coil closed)
  • Operating temperature: -20ºC to +60ºC
  • Construction:
    • Coil: Thermoplastic rubberized, UL flame retardant rating 94 V-0
    • Coupling: Thermoplastic and Polypropylene, UL flame retardant rating 94 V-0
  • Leads: Shielded cable, 24AWG, UL2586, 600V, 1.0m (3.3 FT)
  • UL/ CSA Certified (E344623)
  • CE Approved
  • RoHS Compliant

JRF333M/MB-55,80,105 series of mini loop, split Rogowski Coil current sensors with voltage integrator.
  • JRF333M/MB-55: Opening 55.0mm (2.2″)
  • JRF333M/MB-80: Opening 80.0mm (3.1″)
  • JRF333M/MB-105: Opening 105.0mm (4.1″)
JRF333M/MB-1,2,3 series of flexible, split Rogowski Coil current sensors with voltage integrator.
  • JRF333M/MB-1: Opening 120.0mm (4.7″)
  • JRF333M/MB-2: Opening 190.0mm (7.5″)
  • JRF333M/MB-3: Opening 105.0mm (12.0″)

Many of our products can be designed and manufactured to meet the specific application requirements. For a no obligation technical evaluation, contact us with your specific performance requirements.