SCHEMI ELETTRICI
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— Wiring diagrams Diagrams for XT1...XT4 Schemi elettrici Schemi per XT1...XT4
1) Shunt opening release. 2) Supplementary shunt opening release (only for four-pole circuit-breakers). 4) Supplementary permanent shunt opening release (only for four-pole circuit-breakers). 5) Instantaneous undervoltage release (see Notes B and F). 6) Undervoltage release with electronic time delay device outside the circuit-breaker, see note B). 1) Sganciatore di apertura. 2) Sganciatore di apertura supplementare (solo per interruttori quadripolari). 5) Sganciatore di minima tensione istantaneo (vedere note B e F). 6) Sganciatore di minima tensione con ritardatore elettronico esterno all’interruttore (vedere nota B).
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