Type A RCCB is not suggested for EV charger because Battery chargers inside EV vehicles can produce high levels of harmonic distortion, due to the technology employed and the nonlinear loading of the supply during charging. Type AC & A RCDs are only designed for use on supplies with standard 50Hz waveforms. High frequency AC flowing through these RCDs can cause overheating of the trip circuit components, leading to failure of the RCD due to incorrect application.
This protection is mandatory. If the prescribed type of RCCB (residual current circuit breaker) is not respected then the RCCB can be destroyed and cause serious damage to installation or injury to persons!
This protection is mandatory. If the prescribed type of RCCB (residual current circuit breaker) is not respected then the RCCB can be destroyed and cause serious damage to installation or injury to persons!
Released for: Schneider Electric Thailand
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