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- 110 connector input and output
- protects up to 100 lines, also available in 25 pair (1880ENA1/NSC-25), 50 pair (1880ENA1/NSC-50) and 12 pair (1880ENA1/NSC-12) configuration
- ideal for small PBX and interconnect installations
- stackable to allow for future service expansion
- external ground post for extending metallic frame to building ground
- equipped with an internal fuse link
- accommodates industry standard 5 pin protection modules
- designed to exceed the requirements set forth in Underwriters Laboratories UL497