Products » Current Transducers » MFC140-UI



MFC140-UI

MFC140-UI
UL 2808 Ø7mm flexible Rogowski coil
Certifications

Highlights
  • Four available models: for indoor or outdoor use, with or without integrator
  • Suitable to measure currents from A to several kA
  • High linearity
  • Very useful with large size or awkward shaped conductors or in places with limited access
  • Not damaged by overloads
  • Non-intrusive, no power drawn from the main
  • Thanks to its light weight, it can be changed on the measured conductor
  • Totally shielded
  • UL 2808 certified

Applications
  • Measuring devices, lab instrumentation
  • Power monitoring & control systems
  • DC ripple measurement
  • Harmonics and transients monitoring
  • Very high current monitoring

Specifications
COIL

Coil length: 15 ... 50 cm
Sensor internal diameter: 4 ... 15 cm
Cord diameter: 7.2 ±0.2 mm
Jacket material: Polyphenylene and thermoplastic elastomer
Fastening: Bayonet holder
Weight: 150 ... 500 g


Electrical characteristics for model without integrator

Nominal output rate:
120 mV / kA @ 60 Hz (RMS values)
100 mV / kA @ 50 Hz (RMS values)
Max measurable current:
600 A with 15 ... 28 cm coil length
2500 A with 29 ... 41 cm coil length
5000 A with 42 ... 50 cm coil length
Coil resistance: 170 ... 690 Ω
Positioning error: Better than ±1% of reading
Frequency: 50/60 Hz
Maximum primary voltage: 600 V CAT IV, Service Entrance
Pollution degree:
2, Controlled Environment for indoor use model
3, Uncontrolled Environment for outdoor use model
Insulation test voltage: 7400 VRMS / 1 min


Electrical characteristics for model with integrator

Power voltage: 4 ... 26 VDC

Max consumption: 5 mADC

Nominal output rate: 333 mV / FS (RMS values)

FS changes according to the model: 200, 250, 600, 1000 A

Positioning error: Better than ±1% of reading

Frequency: 50/60 Hz

Maximum primary voltage: 600 V CAT IV, Service Entrance

Pollution degree: 2, Controlled Environment for indoor use model

3, Uncontrolled Environment for outdoor use model

Insulation test voltage: 7400 VRMS / 1 min


Connection cable for model without integrator

Type: 3 x 24 AWG shielded

Length: 3 m. Other lengths on request: 5, 7, 10, 15 m


Connection cable for model with integrator

Type: 5 x 24 AWG shielded

Length: 3 m. Other lengths on request: 5, 7, 10, 15 m


Environmental conditions

Protection degree:
IP65 for indoor use model
IP68 for outdoor use model
Altitude: Up to 2000 m over sea-level
Operating temperature:
-35 ... +75°C up to 2500 A with 15 ... 41 cm coil length
-35 ... +60°C up to 5000 A with 42 ... 50 cm coil length
Storage temperature: -40 ... +90°C
Relative humidity: 0 ... 95%
Installation and use:
Controlled Environment for indoor use model
Uncontrolled Environment for outdoor use model


Standards compliace

IEC, UL standards:
ANSI/CAN/UL 2808, CSA C22.2 NO. 61010-1-12, IEC 61010-2-032,
IEC 61010-1 Ed3, IEC 60529


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