STB PDF
Components for low-voltage surge protection - Part 332- Selection and application principles for metal oxide varistors (MOV). Original standard UNE-EN IEC 61643-332-2025 in PDF full version. Additional info + preview on request
Document status: Active
Superconductivity - Twist pitch measurement of practical superconducting wires. Twist pitch measurement of Nb-Ti/Cu and Nb-Sn/Cu composite superconductors. Original standard UNE-EN IEC 61788-27-2025 in PDF full version. Additional info + preview on request
Document status: Active
Ultrasonics. Therapeutic focused short pressure pulse sources. Characteristics of fields. Original standard UNE-EN IEC 61846-2025 in PDF full version. Additional info + preview on request
Document status: Active
Amendment 2 - Uninterruptible power systems (UPS) - Safety requirements. Original standard UNE-EN IEC 62040-1-2019 A2-2025 in PDF full version. Additional info + preview on request
Document status: Active
Amendment 12 - Electricity metering equipment - General requirements, tests and test conditions - Part 11- Metering equipment. Original standard UNE-EN IEC 62052-11-2022 A12-2024 in PDF full version. Additional info + preview on request
Document status: Active
Ultrasonics. Hydrophones - Calibration for ultrasonic fields. Original standard UNE-EN IEC 62127-2-2025 in PDF full version. Additional info + preview on request
Document status: Active