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Can the 460V LH4N units be used in 380V 50hz system?

The 460V, 25A or less units that do not have separate control power should not be used on 380 VAC 50hz system because of difference in voltage rating required for control power.
The larger units that have separate control supply should work fine as long as proper control voltage is applied to the unit. The only other concern is that the starter should not be oversized more than 10% because the leakage current on the SCRs is higher.


CTA-ID : 2016331
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