EN 61558-2-4:2009
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers

Standard No.: EN 61558-2-4:2009
Release Date: 2009
Published By: European Committee for Electrotechnical Standardization（CENELEC）
Latest: EN 61558-2-4:2009

EN 61558-2-4:2009 history

2009 EN 61558-2-4:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
1997 EN 61558-2-4:1997 Safety of Power Transformers@ Power Supply Units and Similar Part 2-4: Particular Requirements for Isolating Transformers for General Use