Porta Systems 25 Pr. 66block. Lightning Protection. Part 581p2 25gt

Guards against damaging electrical surges and spikes caused by lightning, power crosses and other hazardous conditions. Ideal for termination and protection of electronic telephone systems, particularly PBX's and KSU's Features UL 497 and UL 497A listed for primary and secondary protection Loaded with Gas Tube protector modules 66 IDC termination input and output Compact, lightweight design High-impact, fire retardant housing Can be mounted to 89 style stand-off brackets ISO 9001:2000 registered facility Operating Temperature: -13F˚ to 149˚F (-25˚C to 65˚C)