Lightning arresters for data networks

21A - Surge Arrestor 260v 5A/5KA (pack 10 pcs) By EXCEL

3 Pole gas charge surge arrestor for use with with protector mount 5B. - Fits into 10 way protector mount (5B) - Protects telephone circuits - Pack of 10

5B - Protector Mount, 10 Way By EXCEL

Protector mount 5B, for use with 3 Pole gas charge surge arrestor. - Accepts 10 Surge arrestors - Fits onto Designation strips - Grey in colour

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