Isolating transformer for TN-net


Datasheet as PDF

ceenergysymb-RoHs


Three-phase isolating transformer

BV 32016005


Customer’s demand


Our test room needs an own galvanic separated TN-net system. The net should also be loadable with high one-phase asymmetric loads. The voltage has to be adjustable with 5 steps.


Solution


A three-phase isolating transformer with vector group Dy5n. The secondary winding has tappings and is switchable via a three-phase on-load tap-changer.


Technical data


Primary: 3 x 400 V
Secondary: 3 x 50 - 150 - 250 - 320 - 400 V
Current: 43,3 A
Vector group: Dy5n
Protection class: IP 23


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