Belarus standards PDF

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures - Phase sequence. Original standard BS EN 61557-7-2022 + A1-2023 in PDF full version. Additional info + preview on request

Document status: Active

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Insulation monitoring devices for IT systems. Original standard BS EN 61557-8-2015 (2016) in PDF full version. Additional info + preview on request

Document status: Active

Safety of power transformers, power supply units and similar - Particular requirements for transformers for switch mode power supplies. Original standard BS EN 61558-2-17-1998 in PDF full version. Additional info + preview on request

Document status: Replaced by

Safety of power transformers, power supply units and similar - Particular requirements for perturbation attenuation transformers. Original standard BS EN 61558-2-19-2001 in PDF full version. Additional info + preview on request

Document status: Withdrawn

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. Original standard BS EN 61558-2-26-2013 in PDF full version. Additional info + preview on request

Document status: Active

Radiation protection instrumentation. Radon and radon decay product measuring instruments - Specific requirements for 222Rn and 220Rn measuring instruments. Original standard BS EN 61577-2-2017 in PDF full version. Additional info + preview on request

Document status: Active