MASTEK MCTL400A High Precision 400A Current Sensor , 0.1% Accuracy & 1:5000 Transfer Ratio for Heavy Industrial Systems
Ultra-High Current Range: Measures up to 400A DC/AC with 0.1% accuracy, ideal for industrial motor drives and power inverters.
Advanced Signal Isolation: 1:5000 current transfer ratio ensures minimal signal loss and high safety in high-voltage environments.
Rugged Design: Φ40.5mm aperture and ±0.2mm dimensional tolerance for easy integration in tight spaces or heavy machinery.
Fast Response: ≤1μs response time and >100A/μs slew rate, suitable for dynamic applications like welding and robotics.
Broad Compatibility: Compatible with MCTP series power supplies, certified for EN50178 standards in renewable energy and smart grids.
Specifications
| Model | Maximum current | Accuracy | Bandwidth | Current transfer ratio |
| DC | RMS |
| MCTL400A | 400A | 400A | 0.1% | 100KHz | 1:5000 |
Electrical properties
| Item | Symbol | Test Conditions | Minimum | Nominal | Maximum | Unit |
| Maximum continuous DC current | IPN_DC | - | 400 | - | 1000 | Adc |
| Corresponding measurement current range (Arms) | IP | - | 400 | - | 1000 | Aac |
| Primary-secondary conversion ratio | KN | - | 1:5000 | - | 1:5000 | - |
| Rated output current (mArms) | Isn | Primary rated current | 80 | - | 200 | mA |
| Power supply voltage (±5%) | Vc | - | - | ±15 | - | V |
| Power consumption | Ic | - | - | - | 25mA +Is | MA |
| Load resistance (@Vc=±15V) | RL | - | ≤4Ω(@Ip=DC400A) | - | ≤5Ω(@Ip=DC1000A) | Ω |
| Secondary resistance | Rs | - | ≈4 | - | ≈5 | Ω |
| Power frequency withstand voltage (50HZ, 1min) | Vd | - | - | 5 | 5 | KV |
| Insulation resistance | Ri | - | - | ＞2000MΩ@DC500V | ＞2000MΩ@DC500V | Ω |
Accuracy Measurement
| Item | Symbol | Test Conditions | Minimum | Nominal | Maximum | Unit |
| Accuracy (@Ta = +25℃) | XG | Input DC, full temperature range | - | - | 0.1 | % |
| Linearity error | EL | Full range | - | - | 0.005 | % |
| Offset current (@Ta =+25℃) | Ioff | Full temperature range | - | - | ≤|±0.004|μA | μA |
| Response time | Tr | di/dt=100A/μs, rise to 90% IPN | - | - | ≤1 | μs |
| Following speed | di/dt | - | - | - | >100 | A/μs |
| Frequency range | f | - | - | - | 50 | KHz |
General Features
| Item | Symbol | Test Conditions | Minimum | Nominal | Maximum | Unit |
| Operating temperature range | Ta | - | -10 | - | +70 | ℃ |
| Storage temperature range | Ts | - | -25 | - | +85 | ℃ |
| Working humidity (no condensation) | Hw | - | 20 | - | 90 | % |
| Weight | W | - | - | ±1200 | - | g |
| Execution standard | St | EN50178 |
| Casing material | Encl | Compliant with UL94-V0 |
Structure Diagram
| Basic dimensional error | ±0.2mm |
| Primary aperture | Φ40.5mm |
| Disc installation | Bottom:4 x Φ4mm , 2 x Φ5mm Side:4 x Φ5mm |
| Output terminal | 4-position plug-in terminal |
Packing List
| Name | Quantity |
| Current sensor body | 1 piece |
| Electronic manual | 1 copy |
| Warranty card | 1 piece |
Precautions
1. Pay attention to the exposed conductive part of the terminal when wiring, and try to prevent ESD shock. Engineers with professional construction experience are required to perform wiring operations on this product. The power supply, input, and output connection wires must be connected correctly, and cannot be misplaced or reversed, otherwise it may cause product damage.
2. The product installation and use environment should be free of conductive dust and corrosiveness.
3. The potentiometer installed on the product is used for internal debugging and calibration of the company and cannot be adjusted by the user.
4. Severe vibration or high temperature may also cause product damage, please pay attention to the use occasion.
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MASTEK MCTL400A High Precision 400A Current Sensor , 0.1% Accuracy & 1:5000 Transfer Ratio for Heavy Industrial Systems Images
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