HollySys isolated safety barriers and isolators are designed for industrial automation and hazardous areas, delivering signal isolation, energy limitation, and noise suppression to ensure safe and stable system operation. Compliant with international explosion-proof standards, they are ideal for high-risk environments like chemical plants, oil & gas, and mining. Featuring high-precision circuitry, they support 4-20mA, HART, and other signal types, ensuring reliable and real-time data transmission. HollySys safety barriers — protecting safety, enabling smarter control.