Can an RCBO be used as a main switch? RCBO Full Form in Electrical | RCBO Circuit Breaker
Can an RCBO be used as a main switch? RCBO Full Form in Electrical | RCBO Circuit Breaker
RCBO stands for Residual Current Circuit Breaker with Overcurrent Protection. These devices are designed to ensure safe operation of electrical circuits, triggering disconnection whenever an imbalance is detected. They are mainly used for the purpose of combined protection against overloading and short circuiting against earth leakage currents.
As mentioned earlier, RCBO ensures protection against two types of electrical faults. The first of these faults is residual current or earth leakage. This will happen if there is an accidental break in the circuit, which can result from wiring errors or DIY accidents (such as cutting through cables when using an electric hedge cutter). If the power supply does not break, the person will experience a potentially fatal electric shock. The other type of electrical fault is overflow, which can take the form of an overload or short circuit.
In the first example, the circuit would be overloaded with too many electrical equipment, resulting in the transfer of power in excess of the cable capacity. Short circuiting can also result from insufficient circuit resistance and high level multiplication of amperage. It is associated with a greater risk than overloading.
RCBO does not require additional protection by circuit breaker.
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