In the steel industry, the pressure switch plays a critical role in maintaining the integrity of hydraulic systems within continuous casting machines. These systems rely on precise pressure control to ensure the smooth flow of molten metal through molds, preventing blockages and ensuring uniform cooling. The pressure switch monitors and regulates hydraulic pressure in real time, triggering shutdowns or adjustments when thresholds are exceeded, thus safeguarding both equipment and operational safety. This function is vital during the high-temperature, high-pressure phases of metal solidification, where even minor fluctuations can lead to defects or production halts. By integrating seamlessly into the control circuitry of hydraulic actuators and pumps, the switch enables reliable operation of critical components such as tundish lifting mechanisms and mold oscillation systems. Its modular design allows for easy retrofitting into existing machinery, offering flexibility in plant layouts and maintenance schedules. In secondary applications, it is also employed in conveyor belt systems and material handling equipment, where pressure monitoring ensures consistent performance under demanding industrial conditions.