II级电源保护
B180 -- B280-480
技术参数：
1 to 4-pair surge protection boxes
Citel B180, B280-B480 surge protectors have been designed to protect your single and dual telephone lines against harmful lightning surges and electrical transients.
These compact boxes are designed for wall mounting and screw connection.
Special versions are available for the combined protection of data transmission and remote power lines (consult us)
- Available from 1 up to 4 pairs
- Removable protection circuit
- All types of telephone and data lines
