Lightning current arresters, ST1 with plugable module

Ordering number:
A05550
lightning current arrester for two 2-core telecommunication and signalling lines, installation at the entry into building, max. 70 V, pluggable module
Ordering number:
A05554
lightning current arrester for two 2-core telecommunication and signalling lines, installation at the entry into building, max. 70 V, pluggable...
Ordering number:
A05551
lightning current arrester for two 2-core telecommunication and signalling lines, installation at the entry into building, max. 180 V, pluggable...
Ordering number:
A05555
lightning current arrester for two 2-core telecommunication and signalling lines, installation at the entry into building, max. 180 V, pluggable...