Panamax towerMax CO/4x4 (MC04X4-60) Surge Suppressor

towerMAX modules for telecom installation offer expandable phone system protection for small and medium sized businesses. Customize the signal line protection with an unlimited number of add-on towerMAX modules. Modules are available for the following applications: analog, digital, ISDN or T1 lines, Networks, RS232 lines and miscellaneous accessory lines.??towerMAX CO/4x4 provides superior protection for CO lines. Four lines are protected, RJ-11/45 jacks. One line is protected per connection. towerMAX CO/4x4 features the Auto-Resetting technology. PTC resistors open when a surge occurs, protecting your equipment, but unlike other telephone protectors, the PTCs close again once the surge passes allowing for less downtime, and less service calls.