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Rogowski coil MFC140-UI

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Rogowski coil MFC140-UI Rogowski Coils Algodue MRO


Rogowski Coil MFC140-UI (7 mm cross section) is a flexible current transducer based on Rogowski principle. MFC140-UI coils are available in different sizes and can be supplied according to customer’s design, therefore they can be used in all those applications, in which traditional transducers are not fitting due to its size and/ or weight.
MFC140-UI coil is provided with a shield against the influence of external magnetic fields, therefore it grants a stable measurement from low currents to hundreds of kA.
MFC140-UI can be also provided with built-in integrator, without needing of external devices for 90° phase shift compensation and frequency equalization. This is an advantage because there is no external box with consequent ease of use.


TECHNICAL SPECIFICATIONS
Transducer
Coil length: 15 … 50 cm
Cord diameter: 7.2 ±0.2 mm
Fastening: bayonet holder
Weight: from 150 to 500 g
Jacket material: Polyphenylene and thermoplastic elastomer

 
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
Accuracy: Class 1-A1 according to IEC 61869-10
Frequency: 50/60 Hz
Maximum primary voltage: 600 V CAT IV, Service Entrance
Pollution degree: 3, Uncontrolled Environment
Insulation test voltage: 7400 VRMS / 5 s

 
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: 3, Uncontrolled Environment
Insulation test voltage: 7400 VRMS / 5 s

 
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: IP68
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

 
Standards compliance
IEC, UL standards:
ANSI/CAN/UL 2808, CSA C22.2 NO. 61010-1-12, IEC 61010-2-032,
IEC 61010-1 Ed3, IEC 60529, IEC 61869-10

 
Certification
Description: https://www.algodue.com/wp-content/uploads/2021/03/cuslistv.jpg

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