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A sensor PCB. It acts as an interface module for a residual current monitoring system. The PCB filters the signals and processes them through its main chip and then sends an output signal to the main system if it detects a fault. It is powered from a 12 V DC supply and provides the necessary electronics to compare the current signal against the rated residual fault threshold (6 mA DC). When the measured residual current exceeds the specified threshold, the PCB drives a “Fault” output signal to indicate that a dangerous leakage/fault condition exists and the supply to the load (i.e. EV charger) should be disconnected. The product cannot be used as a standalone device and is designed for OEM integration.

A Printed Circuit Board Assembly. It forms part of a Residual Current Device (RCD) module. The function of the sensing board is to detect a change in current and signal to the main PCB to activate disconnection when a residual current above the threshold (10 or 30 mA) is detected. It includes passive and active electronic components for signal conditioning, voltage regulation, and control triggering. Made from FR4 substrate and is 1.6 mm thick.

Main printed circuit board for a residual current device module. This board integrates the electronic control circuitry and the mechanically latched trip mechanism used in a Socket-outlet Residual Current Device (SRCD system). It comprises of a solenoid actuator, magnetic assembly, plunger, contact bridge, concentrator components, reset button, springs, and connection interfaces to the sensing PCB and external terminals. The PCB receives the fault signal from a sensing PCB and actuates the trip mechanism through the solenoid, mechanically opening the circuit contacts to disconnect.

A FIELD BUS INTERFACE CARD IN THE FORM OF A PRINTED CIRCUIT BOARD (PCB). THE BOARD IS USED ON PNEUMATIC VALVES TO CONNECT THE VALVE WITH THE BUS SYSTEM, FOR PROCESS CONTROL FROM AN EXTERNAL COMPUTER/CONTROLLER. THE PCB READS THE DIGITAL INFORMATION AND ACTUATES THE CORRECT VALVE STATION. (ADDRESS SYSTEM I/O). THE PCB IS LAYERED ON BOTH SIDES AND POPULATED WITH BOTH PASSIVE AND ACTIVE ELEMENTS.

PCBA. THIS PRODUCT IS A PRINTED CIRCUIT BOARD ASSEMBLY DESIGNED TO BE INCORPORATED I A POWER DISTRIBUTION UNIT (PDU). THE DEVICE IS USED TO CONTROL POWER TO THE CONTROLLING CIRCUITS. CAN ALSO BE USED AS A RELAY TO CONTROL OUTLET SWITCHES.