Electrical system and method for detecting an end-of-life (EOL) of a circuit are disclosed. In an embodiment, the electrical system includes a sensing circuit for detecting variance of an input electrical power to an electrical device; and a processor for receiving the variance and comparing the variance with a threshold range. When the variance is out of the threshold range, the processor generates a signal to cause the output electrical power disconnected.

A circuit breaker trip device includes a circuit interface configured to interface with a receptacle for providing electrical power; a trip mechanism, operatively connected to the circuit interface, configured to overload a circuit breaker associated with the receptacle providing electrical power when the trip mechanism is activated; a power indicator, operatively connected to the circuit interface and operatively connected in parallel with the trip mechanism, configured to communicate an operational status of the circuit breaker associated the receptacle for providing electrical power; and a safety circuit breaker, operatively connected to the circuit interface and operatively connected in series to the trip mechanism and the power indicator, configured to trip when the circuit breaker associated the receptacle for providing electrical power fails to trip upon activation of the trip mechanism.

A circuit breaker trip device includes a circuit interface configured to interface with a receptacle for providing electrical power; a trip mechanism, operatively connected to the circuit interface, configured to overload a circuit breaker associated with the receptacle providing electrical power when the trip mechanism is activated; a power indicator, operatively connected to the circuit interface and operatively connected in parallel with the trip mechanism, configured to communicate an operational status of the circuit breaker associated the receptacle for providing electrical power; and a safety circuit breaker, operatively connected to the circuit interface and operatively connected in series to the trip mechanism and the power indicator, configured to trip when the circuit breaker associated the receptacle for providing electrical power fails to trip upon activation of the trip mechanism.

Wireless communication enabled circuit breakers are described. Methods associated with such wireless communication enabled circuit breakers are also described. The wireless communication enabled circuit breakers may controlled by a remote entity. The remote entity may wirelessly case the wireless communication enabled circuit breakers to trip.

Wireless communication enabled circuit breakers are described. Methods associated with such wireless communication enabled circuit breakers are also described. The wireless communication enabled circuit breakers may controlled by a remote entity. The remote entity may wirelessly case the wireless communication enabled circuit breakers to trip.

A circuit breaker and method for operating a circuit breaker. The circuit breaker includes a first and a second breaker terminal, a bimetal stripe, a first conduction line, a switch with a first and a second contact, a triggering device mechanically coupling the bimetal stripe to the switch, a magnet and a detection device comprising a magnetic field sensor configured to detect a magnetic field of the magnet. The first conduction line is electrically coupled to the first breaker terminal and to the first contact and is wound around the bimetal stripe. The magnet is connected to at least one of the bimetal stripe, the triggering device and the switch.

A circuit breaker and method for operating a circuit breaker. The circuit breaker includes a first and a second breaker terminal, a bimetal stripe, a first conduction line, a switch with a first and a second contact, a triggering device mechanically coupling the bimetal stripe to the switch, a magnet and a detection device comprising a magnetic field sensor configured to detect a magnetic field of the magnet. The first conduction line is electrically coupled to the first breaker terminal and to the first contact and is wound around the bimetal stripe. The magnet is connected to at least one of the bimetal stripe, the triggering device and the switch.

Embodiments provide an Energy Reduction Maintenance Setting (ERMS) key that includes a data connector configured to communicatively couple to a data port of a target device. The ERMS key further includes an illumination device and an actuator mechanism having a base positional state and an actuated positional state. The ERMS key includes logic configured to, upon detecting the actuator mechanism has moved from the base positional state to the actuated positional state, generate and transmit a first data message to the target device through the data connector instructing the target device to enter a protected mode. The logic is further configured to, upon receiving a second data message from the target device over the data connector acknowledging that the target device as successfully entered the protected mode, cause the illumination device to illuminate.

Embodiments provide an Energy Reduction Maintenance Setting (ERMS) key that includes a data connector configured to communicatively couple to a data port of a target device. The ERMS key further includes an illumination device and an actuator mechanism having a base positional state and an actuated positional state. The ERMS key includes logic configured to, upon detecting the actuator mechanism has moved from the base positional state to the actuated positional state, generate and transmit a first data message to the target device through the data connector instructing the target device to enter a protected mode. The logic is further configured to, upon receiving a second data message from the target device over the data connector acknowledging that the target device as successfully entered the protected mode, cause the illumination device to illuminate.

Communication enabled circuit breakers are described. Methods associated with such communication enabled circuit breakers are also described. The communication enabled circuit breakers may include one or more current sensors. The one or more current sensors may be disposed in a clip. The clip may be coupled to a line side phase connection, and the clip may be shielded to attenuate signals.