L 7/30 ... ff 3

spd L 7-30 FF 3
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L 7/30...ff 3 is a ready to install assembly of three voltage limiting SPDs providing three modes of protection, typically installed at the origin of the installation (e.g. in the Main Distribution Board (MDB)) for three-phase TN-systems, with the following features and benefits:

Impulse test classification: Test class I and II / Type 1 and 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 (for UN 230/400 V);
Three colour Status Indicator with progressive indication of remaining performance.

Data sheet L 7/30 ff 3

data sheet spd L 7-30 FF 3

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