Patent ID: 11936176
Assignee: MELEXIS TECHNOLOGIES SA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. The contactor of claim 1, wherein the controller is implemented in an integrated semiconductor device; and
wherein the magnetic sensor is also integrated in said semiconductor device; and
wherein the actuator comprises a coil connected in series with a second switch; and
wherein the detection means comprises a shunt resistor connected in series with said coil; and
wherein the controller is configured for sampling a first voltage over said shunt resistor, and for sampling a second voltage over said coil or over the series connection of said coil and said shunt resistor, and for determining a status of the primary switch based on the first and second voltage samples; and
wherein the controller has a first output for controlling the actuator for operating the primary switch; and
wherein the controller has a second output for blowing the fuse.