- Electricity - Electronics >
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- Telecommunications surge protection unit
Telecommunications surge protection units
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![type 2 surge protection unit](https://img.directindustry.com/images_di/photo-m2/13365-2539497.jpg)
Voltage: 150 V
Primary current: 5,000 A - 20,000 A
The Citel B180, B280 and B480 are surge arresters, suitable for utilization in telecom networks. They are engineered to protect single- and dual- telephone lines from harmful lightning surges and electrical ...
![type 2 surge protection unit](https://img.directindustry.com/images_di/photo-m2/13365-7921101.jpg)
Voltage: 6 V - 150 V
Primary current: 0 A - 20,000 A
- 4-pair surge protection unit - For Telephone lines - Removable protection circuit - Wall mounting and screw connection - UL497 A&B The B480 units ...
![type 1 surge protection unit](https://img.directindustry.com/images_di/photo-m2/18092-19857616.jpg)
Voltage: 230 V
Primary current: 100,000 A
CM-CSH are surge protective device board with Type 1/Class I lightning current arresters, able to discharge energy (current) from a direct lightning strike (10/350) on an external lightning ...
![type 1 surge protection unit](https://img.directindustry.com/images_di/photo-m2/18092-19857726.jpg)
Voltage: 230 V
Primary current: 100,000 A
CM-CSH are surge protective device board with Type 1/Class I lightning current arresters, able to discharge energy (current) from a direct lightning strike (10/350) on an external lightning ...
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