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STN - Slovak standards
Page 2703
STN EN IEC 63522-40 (01/09/2025)
Electrical relays - Tests and measurements - Part 40: Short circuit testing
Available languages: English
Available design: Print design
STN EN IEC 63522-41 (01/10/2026)
Electrical relays - Tests and measurements - Part 41: Tests and measurement procedures - Insulation coordination
Available languages: English
Available design: Print design
STN EN IEC 63522-43 (01/04/2026)
Electrical relays - Tests and measurements - Part 43: Proof tracking index (PTI)
Available languages: English
Available design: Print design
STN EN IEC 63522-44 (01/09/2025)
Electrical relays - Tests and measurements - Part 44: Corrosive atmosphere due to salt mist
Available languages: English
Available design: Print design
STN EN IEC 63522-45 (01/12/2025)
Electrical relays - Tests and measurements - Part 45: Maximum frequency of operation
Available languages: English
Available design: Print design
STN EN IEC 63522-48 (01/05/2025)
Electrical relays - Tests and measurements - Part 48: Contact failure rate test
Available languages: English
Available design: Print design
STN EN IEC 63522-49 (01/09/2025)
Electrical relays - Tests and measurements - Part 49: Long term stability of sealing
Available languages: English
Available design: Print design
STN EN IEC 63522-52 (01/07/2026)
Electrical relays - Tests and measurements - Part 52: Coil overvoltage
Available languages: English
Available design: Print design
STN EN IEC 63522-54 (01/01/2026)
Electrical relays - Tests and measurements - Part 54: Critical DC load current test
Available languages: English
Available design: Print design
STN EN IEC 63522-56 (01/09/2025)
Electrical relays - Tests and measurements - Part 56: Ball Pressure test
Available languages: English
Available design: Print design
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