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A residual-current circuit breaker with overload protection (RCBO) is Another type of these keys, in addition to leakage current, over-protection and short-circuit to be protect that combines the functions of overcurrent protection and leakage detection. Another type of these keys, in addition to leakage current, over-protection and short-circuit to be protect. Electro Kaveh RCBO are electromagnetic type and electronic type with sensitivity of 30 mA and with a current of 25 and 32 amps, and two poles and four poles with a short circuit of 6 and 10 kA can be supplied.
A residual current device (RCD), or residual-current circuit breaker (RCCB), also known as an RCCB or RCD, is an electrical wiring device that to interrupting the circuit by comparing the return and return current of the circuit, and in the event of a difference between the current and the return current. In normal electrical circuits, the current flow is equal to the return current, but if for any reason the current between the phase wire and the null (in single-phase circuits) is different, this key will act as a protector.
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