DLU and DLU2 surge protectors are designed to protect, against surge voltages due to lightning, telecom lines.

The 2 versions are available :
1-pair (DLU) or 2-pair (DLU2) protection.

These units are made with DIN rail monobloc enclosure.

    * For «DIN» rail mounting
    * All types of Telephone lines
    * Monobloc housing
    * 2-pair version (DLU2)
    * Transmission and protection of shield wire (DLU)
    * IEC 61643-21 compliance