(57) ABSTRACT A leakage current detection and protection device coupled between input
and output ends of power lines, and includes first and second switching modules, a leakage …

An auto-monitoring circuit including a first input structured to receive a signal from a
processor of a circuit interrupter, a second input structured to receive power from a circuit …

H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly
responsive to an undesired change from normal electric working condition with or without …

Ground-fault circuit interrupter positioned between energy controlled supply circuit and load
circuit which includes fault detection circuit that senses ground path current leakage to the …

A Rogowski coil is used for determining the magnitude of the electrical current of a
conductor of a low-voltage AC circuit, which outputs an analogue voltage which is …

(57) ABSTRACT AGFCI includes a current sensor system providing a current sensor signal
indicating a leakage current of the AC power system. A magnitude detector is configured to …

(57) ABSTRACT A ground fault circuit interrupter is provided, including a main control chip, a
tripping unit and a self-test detection unit, wherein the tripping unit is connected with the self …

An electric vehicle charging circuit breaker for charging an electric vehicle with power from a
power source. The electric vehicle charging circuit breaker includes a circuit protection unit …

An audible ground fault detection device may include: a pulse-width modulation (PWM)
circuit to produce a pulse signal in response to an occurrence of a ground fault; and a …