Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V - Particular requirements and tests for auto transformers and power supply units incorporating auto transformers Ingestion-build-61878 BS EN ISO 11393‑1:2018 supersedes

BS EN ISO 11393‑1:2018 supersedes ISO 11393‑1:1998

NOTE 2 Preferred test conditions for determining hearing thresholds for standardization are specified in ISO 389-9

BS EN 61000-4-4:2012 supersedes BS EN 61000-4-4:2004+A1:2010 which is withdrawn

This document specifies a method for the determination of the fat acidity of milled cereal products

Axial sealing for internal pressure: Configuration code C

Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V - Particular requirements and tests for auto transformers and power supply units incorporating auto transformers Ingestion-build-61878 BS EN ISO 11393‑1:2018 supersedes1 Scope Replacement: This part of IEC 61558 deals with the safety of auto transformers for general applications and power supply units incorporating auto transformers for general applications. Transformers incorporating electronic circuits are also covered by this standard. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified, from here onward, the term transformer covers auto transformers for general