Deskripsyon
Rogowski Coil MFC150 (8 mm cross section) is a flexible current transducer based on Rogowski principle. MFC150 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.
MFC150 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. The Rogowski coils must be connected to an electronic integrator. Our power meters UPM209 and UPM309 can interface Rogowski coils directly without the need of the external integrators (Smart kits). This is an advantage because there is no external boxes or any power supply with consequent ease of use.
MFC150 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. Our power meters UPM209 and UPM309 can interface Rogowski coils directly without the need of the external integrators (Smart kits).
Accuracy class 0,5% (IEC 61869-10)
TECHNICAL SPECIFICATIONS
Transducer
Coil length: from 25 to 300 cm
Coil diameter: 8.3 ±0.2 mm
Fastening: bayonet holder
Weight: from 150 to 500 g
Material: thermoplastic UL94-V0
Electrical characteristics for model without integrator
Nominal output rate: 100 mV / kA @ 50 Hz (RMS values)
Max measurable current: 100 kA
Coil resistance: 70 … 900 Ω
Accuracy: Class 0,5-A1 according to IEC 61869-10
Frequency: 50/60 Hz
Overvoltage category: 1000 V CAT III, 600 V CAT IV
Pollution degree: 2
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
Overvoltage category: 1000 V CAT III, 600 V CAT IV
Pollution degree: 2
Insulation test voltage: 7400 VRMS / 5 s
Connection cable for model without integrator
Type: 3 x 22 AWG shielded
Length: 3 m. Other lengths on request: 5, 7, 10, 15 m
Connection cable for model with integrator
Type: 5 x 22 AWG shielded
Length: 3 m. Other lengths on request: 5, 7, 10, 15 m
Enviromental conditions
Operating temperature: from -30°C to +80°C
Storage temperature: from -40°C to +80°C
Protection degree: IP67 or IP68 according to the model (not evaluated by UL)
Standard compliance
IEC, UL standards: UL 61010-1 Ed3, UL 61010-2-032, CAN/CSA-C22.2 No. 61010-1,IEC 60529, IEC 61869-10
Certification
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