L 3/30 230 ff 3+1

spd L 3-30 230 FF 3 1

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L 3/30 230 ff 3+1 is a ready to install assembly of three voltage limiting and a voltage switching SPD providing four modes of protection, typically installed in Sub Distribution Boards (SDBs) for three-phase plus neutral 230/400 V TT-systems where connection type CT2 (3+1) is required according to HD 60364-5-534, with the following features and benefits:

Impulse test classification: Test class II / Type 2 (according to IEC/EN 61643-11);
Backup protection is not required with an upstream MCB ≤ 125 A or up to an Isccr ≤ 4 kA rms;
Three colour Status Indicator with progressive indication of remaining performance.

Data sheet L 3/30 230 ff 3+1

data sheet spd L 3-30 230 FF 3 1

 

 

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