详情
Rogowski coil MFC150-UI (cross section 8mm) is a flexible current transducer based on Rogowski principle. MFC150-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.
Flexible Rogowski coil is an extremely confortable solution for current measurement and can be used in a number of cases where traditional current transducer is not the adequate solution.
MFC150-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. MFC150-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.
Accuracy class 0,5% (IEC 61869-10)
TECHNICAL SPECIFICATIONS
Coil
Coil length: 30 … 300 cm
Coil diameter: 9.6 … 95.6 cm
Cord diameter: 8.3 ±0.2 mm
Cord material: polyphenylene and thermoplastic elastomers
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: 2 kA @ 50/60 Hz with 30 … 42 cm coil length – 5 kA @ 50/60 Hz with 43 … 300 cm coil length
Coil resistance: 70 … 900 Ω
Accuracy: Class 0,5-A1 according to IEC 61869-10
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 / 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: 1, 2, 5 kA
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 / 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: IP65 for indoor use model – IP68 for outdoor use model
Operating temperature: -35 … +75°C up to 2 kA, -35 … +60°C from 2 to 5 kA
Storage temperature: -40 … +90°C
Standard 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
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