VALVETRAB® Pluggable single-pole modular lightning surge protector The 2798844 from Phoenix Contact is a type 2 surge protection plug. This plug is designed to protect low voltage or three phase power supplies in your installations. It's backed with thermal monitoring, easy pluggable design thats allow for simple maintenance, mechanical indicator that shows the status and a wiring bridge that allows multiple modules to easily connect and be bridged on the ground connection. VALVETRAB provides L-N and L-PEN protection. Features and benefits: