1 pair / 2 pair / 4 pair Surge Protectors

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The B180, B280 and B480 units are designed to protect, against surge voltages, terminals connected to telephone or data networks.
The electrical diagram is based on GDT and clamping diodes to guarantee a maximum efficiency.
These boxes are available for 1, 2 and 4 pairs : the protection printed circuit is removable for easy and fast maintenance (removable protection circuit S180.., S280.., S480..).
These compact boxes are designed for wall mounting and screw connection. Versions exist for most telephone and datalines.

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