(57) ABSTRACT A circuit breaker includes a solid-state switch, a sense resistor, a current
detection circuit, and a switch control circuit. The solid-state switch and sense resistor are …

(57) ABSTRACT A circuit breaker comprises a solid-state switch, an air-gap electromagnetic
switch, switch control circuitry, a zero crossing detection circuit, and a current sensor. The …

(57) ABSTRACT A circuit breaker includes an electromechanical switch, a current sensor, a
voltage sensor, and a processor. The elec tromechanical switch is serially connected …

A circuit breaker includes a circuit breaker housing, an air-gap switch disposed within the
housing, and a first visual indicator configured to provide an indication of an open state and …

(57) ABSTRACT A solid state circuit breaker which provides high voltage isolation between
a control circuit and a power source is described. The circuit breaker comprises a receiver …

An apparatus comprising: a solid-state series switch posi tioned between a transmitter's high-
voltage, direct current (DC) bus and a high-voltage DC power source, wherein the series …

A circuit breaker and method includes a mechanical pole moveable between a latched
position and an unlatched position to open an electrical connection between a pair of …

A circuit breaker is provided which comprises: 0010 a first saturable unipolar switch
comprising a source a gate and a drain; 0.011 a first diode connected between the source …

A solid state circuit-breaker switch has a first solid state switch coupled to a positive terminal
of a high voltage source, a second solid state switch coupled to a return terminal of the high …

Prior Publication Data A circuit breaker having a series arc fault detector and method US
201O/OO33888A1 Feb. 11, 2010 of operation is provided. The series arc fault detector mea …