Elegant appearance; cover and handle in arc shape make comfortable operation. Contact position indicating window Transparent cover designed to carry label. In case of overload to protected circuit, RCBO handle trips and stays at central position, which enables a quick solution to the faulty line. The handle cannot stay in such position when operated manually. MCB handle can be locked either ON” position or OFF” position to prevent unwanted operation of the product. Provides protection against earth fault/leakage current, short-circuit and overload High short-circuit capacity Provides complementary protection against direct contact by human body. EEffectively protects electric equipment against insulating failure Contact position indication Provides protection against over-voltage.