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The DS-HF is a secondary Type 2 surge protector and RFI filter especially designed to protect sensitive equipment connected to singlephase networks.
The «surge protection» function is completed by RFI filtering : this combination of functions results in enhanced efficiency against transient overvoltages (improved protection level) and RF interferences.
The DS-HF can be classified as secondary Type 2 or Type 3 SPD following IEC 61643-1. It is connected in series on AC network (maximum line current 16 A) downstream of a primary Type 2 SPD (e.g. DS40), installed in the main electrical switchboard, to protect a remote or sensitive equipment.
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Surge protector with RFI filtering
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Discharge currents : In : 3kA / Imax : 10 kA
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Common and differential mode protection
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Low protection level
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Operating/disconnection indicators
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IEC 61643-1 and EN 61643-11 compliance
