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  • MD0630T41A EV 6mA DC Protecor Fault Detection Residual Current Sensor RCD Monitor for Smart Charging
  • MD0630T41A EV 6mA DC Protecor Fault Detection Residual Current Sensor RCD Monitor for Smart Charging
  • MD0630T41A EV 6mA DC Protecor Fault Detection Residual Current Sensor RCD Monitor for Smart Charging
  • MD0630T41A EV 6mA DC Protecor Fault Detection Residual Current Sensor RCD Monitor for Smart Charging

MD0630T41A EV 6mA DC Protecor Fault Detection Residual Current Sensor RCD Monitor for Smart Charging

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Product parameters

Product Details

MD0630T41A is an AC DC leakage current sensor (RCD residual current monitor) for EV charging station. It has the characteristics of high sensitivity, correct measurement, small size and compact/integration design. The residual current monitor can be set separately for AC and DC leakage. When leakage current is detected, an alarm signal is generated, and the switch control signal is output at the same time. The RCM sensor is connected in series with the AC supply to an EV and will provide a signal output if a DC current ≥ 6mA DC flows in the circuit. It will protect against DC (6mA) and AC (30mA) residual currents, and will signal to the Smart EVSE if a fault occurs.


To satisfy new standards including IEC 62752, IEC 62955, IEC 61851-1 etc, the charging of electrical vehicles requires residual current sensors to avoid hazardous situations in cases where the vehicle battery (DC) is connected to the home power supply (AC). This is new type of Fluxgate Current Sensor; it's based on the principle of magnetic modulation. It can be used to measure leakage currents including DC, AC, and AC and DC stacks, generally used as a DC leakage current detection and protection in equipment that uses DC operation. 


MD series sensor are type B RCD/RCM, which are used where DC residual currents could occur, in addition to normal AC, can detect high-frequency AC and pure DC earth leakage currents. The tripping conditions are defined with different frequencies from 50Hz to 1kHz. Reducing the risk of fire or electrocution through output digital alarm signal. Type B RCD is suitable for loads with single/three-phase rectifiers, such as variable speed drives, photovoltaic systems, electric vehicle charging stations and medical equipment etc.



MD0630T41A IEC62955 EV RCD 6mA DC Protecor Fault Detection Sensor Residual Current Device


Product Features

1. Fixed 6mA DC and 30mA AC trip levels; 3000A surge withstand capability; "Fault”output – Open collector

2. Small Size, Integration Design, Vertical(Pin, Pin&Cable Type)/Horizontal(Cable Type) Mounting Optional

3. Integrated self-monitoring and test functions, Digital Output, Residual Fault Leakage Current Protection

4. AC DC Leakage Data Readable; Alarm Value Programmable; 3 Way Alarm Outputs

5. URAT Comm, with Modbus Protocol; Standard: EN 61000-6-3:2007+A1 ,EN IEC 61000-6-1:2019

6. Professional Certification: TUV(IEC 62955/IEC 62752/IEC 61851-1); UL 2231-1/UL 2231-2; CE-EMC 

7. Used in EV Charger Project (Suitable for single phase or three phase loads rated up to 32A, Maximum load up to 200A)


MD0630T41A IEC62955 EV RCD 6mA DC Protecor Fault Detection Sensor Residual Current Device


Product Parameters

  • Wide voltage input: 12V±20%

  • Measuring current range: DC current 2-15mA; AC current 3-100mA (default threshold: DC 6mA, AC 30mA)

  • Accuracy class: at 25℃, DC±0,2mA, AC±0.3mA

  • Working environment temperature: -25℃~+80℃

  • Installation: Pin&Cable Type

  • Plastic casing: SIP encapsulation