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with Operating current trips

In the ASAO variant, the DFS is triggered when an external voltage is applied to the corresponding connection terminals of the additional module. The LED integrated in the RCCB indicates tripping…

with Operating current trips

In the ASAO variant, the DFS is triggered when an external voltage is applied to the corresponding connection terminals of the additional module. The LED integrated in the RCCB indicates tripping…


GuideBasic circuits for electronic operating
equipment in accordance with
DIN VDE 0100 530 Annex A??
» AC full bridge circuit
» AC star circuit
» Full bridge circuit between external conductors
» Single-phase detection with smoothing

Systems with multiphase supplied frequency converters: Examples:
» Pumping, air conditioning and ventilation systems
» Escalators and elevator systems
» Medical devices
» Solar power plants
» Welding plants
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Technical informations

In the ASAO variant, the DFS is triggered when an external voltage is applied to the corresponding connection terminals of the additional module. The LED integrated in the RCCB indicates tripping caused by a control element. In this state, reclosing of the RCCB is prevented. Unlike the DFS 4 A ASA series, the DFS 4 ASAO does not have an additional auxiliary switch.