BS EN 61558-2-16:2010 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
2010BS EN 61558-2-16:2009+A1:2013 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
2010BS EN 61558-2-16:2010 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
2006BS EN 61558-1:2005+A1:2009 Safety of power transformers, power supplies, reactors and similar products — Part 1: General requirements and tests
2006BS EN 61558-1:2005 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests
1998BS EN 61558-1:1998 Safety of power transformers, power supply units and similar - General requirements and tests
1996BS EN 60742:1996 Isolating transformers and safety isolating transformers - Requirements
1990BS 3535-1:1990 Isolating transformers and safety isolating transformers-General requirements