MD0630T01A-2 is a new small leakage current sensor for portable ev charger, which can also be called residual current sensor, residual current monitor (RCM), residual current device (RCD), differential current sensor, earth leakage detector, fault current sensor etc. The internal parts of the portable charger should be as small as possible, our new leakage detector is small and lightweight, which just meets this requirement. This residual current monitor will detect DC and AC residual currents in 50Hz/60Hz AC installations according to IEC62955. It's primarily intended for use in Electric Vehicle charging stations to disconnect the supply to the Electric Vehicle under a DC residual fault current condition. It will protect against DC (6mA) and AC (30mA) residual currents, and will signal to the Smart EVSE if a fault occurs.
MD series residual current sensor (RCD/RCM) is an ideal protection device, for the detection and protection of different leakage currents/residual currents/fault currents. The RCD could quickly output alarm signal when people get an electric shock or leakage current exceeds stipulated value, protecting personal and electrical equipment safety.
AS a Type B RCD, MD series leakage sensor have numerous applications and are suitable for many industries including electric vehicle charging, photovoltaic systems (solar panels), industrial device, medical device, new energy, DC screen, fire distribution cabinet, IOT field and any installation where there is a risk of DC current flowing. It is the technology that brings us closest to total protection for all known residual fault currents.
Ultra-small, Flexible, Integration Design, Residual current range 2~100 mA
Switching output for 6 mA DC/30 mA (IEC) or 5 mA /20 mA (UL 2231)
Error(Fault) output (Integrated self-monitoring and test functions)
Digital Output, Measurement resolution DC 0.2 mA AC 0.3mA
Full load current up to 80A (1-phase) or 3*32A (3-phase)
AC DC Leakage Data Readable; Alarm Value Programmable; 3 Way Alarm Outputs
Robust mechanical design suitable for harsh electronic environments
Total system cost significantly reduced compared to type B RCCB
URAT Comm. with Modbus Protocol; Standard: EN 61000-6-3:2007+A1 ,EN IEC 61000-6-1:2019
Wide voltage input: 12V±20%
Measuring current range: DC current 2-15mA; AC current 3-100mA (default threshold: DC 6mA, AC 30mA)
Accuracy : at 25℃, DC±0,2mA, AC±0.3mA
Installation: PCB/Pin/Vertical Type
Three outputs: DC alarm, AC alarm, AC/DC alarm
Working environment temperature: -25℃～+80℃
Appearance: Plastic case, small SIP package
EV Charging Application
To satisfy new standards including IEC 62752, IEC 62955 and 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). Generally, AC/DC-sensitive residual current sensors can be used where direct current and alternating current circuits are directly connected and therefore AC/DC leakage currents can occur.
Typically type A residual current circuit breakers (RCCBs) are installed in private households. However, these RCCBs are to identify and deactivate DC fault currents. In order to charge an electric vehicle (EV) from a home power supply, a costly type B RCD would be required to guarantee safety in the event of a DC fault current.
By using a IVY MD series RCD sensor integrated into an IC-CPD or wall box, customers can save the high costs of installing a type B RCCB to provide all-current sensitivity and electrical safety at low cost. As the residual currents to be monitored only occur in the event of electrical faults and are extremely low (mA), maximum measurement precision is critical. In addition, a fast response time is required to maintain safety features.