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 - Resistance to earth. Original standard BS EN IEC 61557-5-2021 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 - Effectiveness of residual current devices (RCD) in TT, TN and IT systems. Original standard BS EN IEC 61557-6-2021 in PDF full version. Additional info + preview on request
Document status: Active
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 - Equipment for insulation fault location in IT systems. Original standard BS EN IEC 61557-9-2025 in PDF full version. Additional info + preview on request
Document status: Active
Safety of transformers, reactors, power supply units and combinations thereof - General requirements and tests. Original standard BS EN IEC 61558-1-2019 in PDF full version. Additional info + preview on request
Document status: Active
Safety of transformers, reactors, power supply units and combinations thereof - Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications. Original standard BS EN IEC 61558-2-1-2025 in PDF full version. Additional info + preview on request
Document status: Active
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. Original standard BS EN IEC 61558-2-10-2024 in PDF full version. Additional info + preview on request
Document status: Active