STB PDF

Laboratory resistors - Laboratory AC resistors. Original standard UNE-EN IEC 60477-2-2022 in PDF full version. Additional info + preview on request

Document status: Active

Connectors for electrical and electronic equipment. Tests and measurements - Endurance test schedules. Test 99b: Test schedule for unmating under electrical load (IEC 60512-99-002:2022). Original standard UNE-EN IEC 60512-99-002-2022 in PDF full version. Additional info + preview on request

Document status: Active

Medical electrical equipment. Diagnostic X-rays - Determination of quality equivalent filtration and permanent filtration. Original standard UNE-EN IEC 60522-1-2021 in PDF full version. Additional info + preview on request

Document status: Active

Guidelines for commissioning and operation of hydraulic turbines, pump-turbines and storage pumps. Original standard UNE-EN IEC 60545-2021 in PDF full version. Additional info + preview on request

Document status: Active

Thermocouples - Extension and compensating cables. Tolerances and identification system. Original standard UNE-EN IEC 60584-3-2021 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 11 - Luminaires - Particular requirements. Lighting chains. Original standard UNE-EN IEC 60598-2-20-2024 A11-2024 in PDF full version. Additional info + preview on request

Document status: Active