Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by d.c. traction systems— 34 стр.
Railway applications. Insulation coordination. Basic requirements. Clearances and creepage distances for all electrical and electronic equipment— 52 стр.
Railway applications. Insulation coordination. Basic requirements. Clearances and creepage distances for all electrical and electronic equipment— 54 стр.
Electrical accessories. Circuit breakers for overcurrent protection for household and similar installations. Circuit-breakers for a.c. operation— 150 стр.
Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Mutual Interaction of a.c. and d.c. traction systems— 34 стр.
Classification of environmental conditions. Classification of groups of environmental parameters and their severities, Microclimates inside products— 16 стр.
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V, Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers— 18 стр.
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers— 28 стр.