The ERICO INC Modular TDX Panel Protector offers robust surge protection rated at 100 kA for 277/480 V unbalanced three-phase systems. This device is engineered to protect electrical panels from damaging voltage surges, ensuring the safety and functionality of connected devices. Its modular design facilitates straightforward installation and servicing, while adherence to industry standards ensures dependable performance. Perfect for use in commercial and industrial environments, this panel protector is a critical component for electrical safety.