Protective wiring device

A protective device comprising:

• a separator portion disposed between a back body member and a front cover portion, the separator portion including a reset pin aperture accessible via a first major surface facing the front cover and a reset pin guide portion disposed on an opposite second major surface facing the back body member, the device further comprising a latch block assembly including a central latch block portion configured to accommodate a reset pin and a latching element, the central latch block portion including an open side configured to accommodate the reset pin guide portion, the reset pin being substantially prevented from exiting the central latch block portion via the open side by the reset pin guide portion;
• a line interface assembly being disposed on a first printed circuit board (PCB) in a first plane within the back body member, the line interface assembly comprising a dielectric housing including an enclosure and an interface portion, a toroidal sensor assembly comprising at least one toroidal sensor being disposed inside the enclosure, the first PCB being configured to substantially cover the enclosure to complete the enclosure when the interface portion is coupled to the first PCB, the toroidal sensor assembly not being electrically connected to the first PCB;
• and an electromechanical circuit assembly disposed on a second PCB within the back body member, the second PCB being disposed in a second plane offset from the first plane by a predetermined distance, the second PCB also including a fault detection portion electrically coupled to the toroidal sensor assembly.

A protective device comprising:

• a housing assembly including a back body member and a front cover portion;
• a line interface assembly disposed on a first printed circuit board (PCB) in a first plane within the back body member, the first PCB having at least one PCB opening, the line interface assembly comprising a dielectric housing including a cylindrical enclosure, a toroidal sensor assembly comprising at least one toroidal sensor disposed inside the cylindrical enclosure and mounted to a first side of the first PCB, the line interface assembly also including a plurality of line terminals having a hot line terminal portion and a neutral line terminal portion electrically connected to the first PCB, the line interface assembly also including a hot line contact arm and a neutral line contact arm at least one of which is routed through the toroidal sensor assembly, the dielectric housing and the first PCB electrically isolating the hot line contact arm and the neutral line contact arm from the at least one toroidal sensor, the hot line contact arm and the neutral line contact arm having a hot contact arm termination portion and a neutral contact arm termination portion, respectively, the hot contact arm termination portion and the neutral contact arm termination portion reeving the at least one PCB opening to interconnect with the hot line terminal portion and the neutral line terminal portion, respectively, the plurality of line terminals being coupled to at least one circuit element disposed on the first PCB, the at least one circuit element being configured to condition AC line signals;
• and an electromechanical circuit assembly coupled to the first (PCB) within the back body member, the electromechanical circuit assembly being configured to receive the conditioned AC line signals, the electromechanical circuit assembly also including a fault detection portion electrically coupled to the toroidal sensor assembly, the electro-mechanical circuit assembly including a plurality of load terminals, the plurality of load terminals and the plurality of line terminals being electrically coupled in a reset position and decoupled in a tripped position, the electro-mechanical circuit assembly further includes, a circuit interrupter frame member disposed on the second PCB and including an actuator frame portion and a circuit interrupter support portion, the circuit interrupter support portion including a frame registration portion open to the second PCB thereunder;
• a solenoid actuator disposed in the actuator frame portion positioned adjacent to the line interface assembly;
• a latch block assembly including a central latch block portion and at least one bus bar holder, the central latch block portion configured to accommodate a reset pin and a latching element, the central latch block portion moving between the tripped position and the reset position within the frame registration portion;
• and at least one bus bar element configured to be disposed within the at least one bus bar holder, the at least one bus bar element including a bus bar line side contact and a bus bar load side contact, the at least one bus bar element being constrained in two orthogonal directions by the bus bar registration feature such that the bus bar line side contact and the bus bar load side contact are vertically aligned with a line contact and a load contact, respectively.