BSY2-75/4IOV2 with Current Sensors ROHS is a type of electronic component manufactured by BYD. It is a polemounted protector and surge absorber. This electronic part can be used to protect power systems from various electrical stresses such as high frequency transients, lightning strikes, and over-voltage transients. It features two current sensors, BSY2-75 and BSY2-145, which can detect fast acting over-current faults and provide reliable protection. This device has RoHS compliance, which ensures that no hazardous materials are used in its production. Additionally, it has a high insulation resistance and low power leakage for greater safety.