Built-in RCD for IC-CPD
Empowering the design of compact and reliable portable EV chargers
Residual current operating characteristics defined in IEC 62752 standard for IC-CPD
In IEC 62752 standard, it is explicitly requested that the residual current operating characteristics of an IC-CPD (also named a portable EV charger or mode-2 EVSE) are such that tripping is ensured for residual sinusoidal alternating currents, residual pulsating direct currents and smooth residual direct currents exceeding 6mA, whether suddenly applied or slowing rising.
To provide the defined residual current operation function in IEC 62752, an AC/DC leakage current sensor is usually integrated into the IC-CPD.
BRCS02C for 1P+N IC-CPD up to 7kW
A portable EV charger with a compact size is often favored by end users. Thus, EV charger engineers have been trying hard to design their products as small as possible. To meet their request, our team has created BRCS02C two-in-one sensor with patented two-deck housing containing a CT, a ZCT, and a vertically standing PCBA.
BRCS02C two-in-one sensor complies with IEC/EN 62752 and IEC/EN 61851-1. There are seven pins at the sensor – S1/S2 for current measurement and Vcc / Trip / GND/ CAL / Test for residual current detection. The BRCS02C sensor is very fast at detecting both AC and DC fault currents, which facilitates the wide selection of main-circuit relays.
BRCS03 flexible variant for 3P+N IC-CPD up to 22kW
For three-phase IC-CPD integration, the flexible variant of BRCS03 is recommended for its ultra-thin design (12.00mm height) and large through hole of 18 mm diameter. The incoming 3P+N wires inside an IC-CPD enclosure can easily go through the sensor. In comparison with the PCB-mount sensors, the flexible variant of BRCS03X saves a lot of space on a charging controller PCB to accommodate high-power flow.
