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Do the dials on the following trip-units have continuous or discrete settings?<br /><br />ST 208D<br />ST 308S<br />ST 318S<br />ST 408S<br />ST 418S

For the threshold ( Ir , Im, ...) the settings are continuous , for the time delay ( tr , tm...) the settings are discrete.

CTA-ID : 2003404
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