Firstsurge™ Phone Surge Protective Device, 200 Amps Surge Spike Capacity
Protects 2 pairs (1 pair per protector module) and is intended for indoor use only, without additional housing.| Hardwired Modem/Fax/DSL protection | Low insertion loss | Catastrophic Surge Circuit: Yes | Spike Capacity: 200 Amps | Let Through Voltage: <270 V | Overcurrent Protection: Yes | Response Time: <1 nanosecond | Environmentally Sealed: Yes | UL/cUL Listings: 497C | Meets Telcordia (formally Bellcore) GR-974-CORE Requirements for Telecommunications Line Protectors: Yes