Moldova standards PDF

Electrical relays - Tests and measurements - Part 39- Insertion and withdrawal force. IEC 63522-39:2025-02. Original standard IEC 63522-39-2025 in PDF full version. Additional info + preview on request

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Electrical relays - Tests and measurements - Part 40- Short circuit testing. IEC 63522-40:2025-04. Original standard IEC 63522-40-2025 in PDF full version. Additional info + preview on request

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Electrical relays - Tests and measurements - Part 44- Corrosive atmosphere due to salt mist. IEC 63522-44:2025-04. Original standard IEC 63522-44-2025 in PDF full version. Additional info + preview on request

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Electrical relays - Tests and measurements - Part 45- Maximum frequency of operation. IEC 63522-45:2025-06. Original standard IEC 63522-45-2025 in PDF full version. Additional info + preview on request

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Electrical relays - Tests and measurements - Part 48- Contact failure rate test. IEC 63522-48:2024-12. Original standard IEC 63522-48-2024 in PDF full version. Additional info + preview on request

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Electrical relays - Tests and measurements - Part 49- Long term stability of sealing. IEC 63522-49:2025-04. Original standard IEC 63522-49-2025 in PDF full version. Additional info + preview on request

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