Multi-part Document
BS EN 61558 - Safety of transformers, reactors, power supply units and combinations thereof

This is a multi-part document divided into the following parts:

• Part 1 Safety of power transformers, power supply units and similar. General requirements and tests
• Part 2-1 Safety of power transformers, power supply units and similar. Particular requirements for separating transformers for general use
• Part 2-2 Safety of power transformers, power supply units and similar. Particular requirements for control transformers
• Part 2-3 Safety of power transformers, power supply units and similar. Particular requirements for ignition transformers for gas and oil burners
• Part 2-4 Safety of power transformers, power supply units and similar. Particular requirements for isolating transformers for general use
• Part 2-5 Safety of power transformers, power supply units and similar. Particular requirements for shaver transformers and shaver supply units
• Part 2-6 Safety of power transformers, power supply units and similar. Particular requirements for safety isolating transformers for general use
• Part 2-7 Safety of power transformers, power supply units and similar. Particular requirements for transformers for toys
• Part 2-8 Safety of power transformers, power supply units and similar. Particular requirements for bell and chime transformers
• Part 2-9 Safety of power transformers, power supply units and similar products. Particular requirements for transformers for class III handlamps for tungsten filament lamps
• Part 2-10 Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
• Part 2-12 Safety of power transformers, power supply units and similar. Particular requirements for constant voltage transformers
• Part 2-13 Safety of power transformers, power supply units and similar. Particular requirements for auto-transformers for general use
• Part 2-14 Safety of transformers, reactors, power supply units and combination thereof. Particular requirements and tests for variable transformers and power supply units incorporating variable transformers
• Part 2-15 Safety of power transformers, power supply units and similar. Particular requirements for isolating transformers for the supply of medical locations
• Part 2-16 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
• Part 2-17 Safety of power transformers, power supply units and similar. Particular requirements for transformers for switch mode power supplies
• Part 2-19 Safety of power transformers, power supply units and similar. Particular requirements for perturbation attenuation transformers
• Part 2-20 Safety of power transformers, power supply units and similar. Particular requirements for small reactors
• Part 2-23 Safety of power transformers, power supply units and similar. Particular requirements for transformers for construction sites
• Part 2-26 Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for transformers and power supply units for saving energy and other purposes