Surge arrester type 1+2 (class B+C) SPBT12-280/3 158330

Two-stage surge arresters type 1+2 (class B+C)
• Type SPBT12-280 dedicated in particular for use in switchboards of single-family houses
impulse current Iimp (10/350) μs = 12.5 kA / pole; III and IV class of lightning protection
• Type SP-B+C designed especially for public utility facilities and industry surge current Iimp (10/350) μs = 100 kA; I, II, III and IV class of lightning protection
• The sets are installed at the places where the electrical installation enters the building (in / next to the connector or the main LV switchgear)
• Protection Level Up < 1.5kV
• Interchangeable modules
• Sealed construction – no exhaust gasesóoutside