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This standard contains requirements and tests for AC semiconductor controllers and contractors for non-motor loads. The essential modifications concern the adaptation of this standard to the current version of DIN EN 60947-1 (VDE 0660-100) amongst others, the glow-wire test within the framework of material requirements, the performance requirements, temperature-rise tests and the incorporation of special tests (damp heat, salt spray, vibration and shock). The responsible committee is K 431 "Niederspannungsschaltgeräte und -kombinationen" ("Low-voltage switchgear and controlgear assemblies") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.
This document replaces DIN EN 60947-4-3:2007-08; VDE 0660-109:2007-08 .
This document has been replaced by: DIN EN 60947-4-3:2015-04; VDE 0660-109:2015-04 .