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共找到 26,254 项标准,第 283 / 1313 页

IEC 63522-3:2026
Electrical relays - Tests and measurements - Part 3: Relay coil properties
现行 ICS 29 电气工程 2026 24 页 ¥2
IEC 63522-40:2025
Electrical relays - Tests and measurements - Part 40: Short circuit testing
现行 ICS 29 电气工程 2025 20 页 ¥1
IEC 63522-41:2026
Electrical relays - Tests and measurements - Part 41: Tests and measurement procedures - Insulation coordination
现行 ICS 29 电气工程 2026 63 页 ¥5
IEC 63522-43:2025
Electrical relays - Tests and measurements - Part 43: Proof tracking index (PTI)
现行 ICS 29 电气工程 2025 14 页 ¥1
IEC 63522-44:2025
Electrical relays - Tests and measurements - Part 44: Corrosive atmosphere due to salt mist
现行 ICS 29 电气工程 2025 17 页 ¥1
IEC 63522-45:2025
Electrical relays - Tests and measurements - Part 45: Maximum frequency of operation
现行 ICS 29 电气工程 2025 26 页 ¥2
IEC 63522-46:2026
Electrical relays - Tests and measurements - Part 46: Impulse voltage test
现行 ICS 29 电气工程 2026 18 页 ¥1
IEC 63522-48:2024
Electrical relays - Tests and measurements - Part 48: Contact failure rate test
现行 ICS 29 电气工程 2024 52 页 ¥3
IEC 63522-49:2025
Electrical relays - Tests and measurements - Part 49: Long term stability of sealing
现行 ICS 29 电气工程 2025 20 页 ¥1
IEC 63522-4:2025
Electrical relays - Tests and measurements - Part 4: Dielectric strength test
现行 ICS 29 电气工程 2025 10 页 ¥1
IEC 63522-52:2026
Electrical relays - Tests and measurements - Part 52: Coil overvoltage
现行 ICS 29 电气工程 2026 14 页 ¥1
IEC 63522-54:2025
Electrical relays - Tests and measurements - Part 54: Critical DC load current test
现行 ICS 29 电气工程 2025 16 页 ¥1
IEC 63522-56:2025
Electrical relays - Tests and measurements - Part 56: Ball Pressure test
现行 ICS 29 电气工程 2025 18 页 ¥1
IEC 63522-5:2025
Electrical relays - Tests and measurements - Part 5: Insulation resistance
现行 ICS 29 电气工程 2025 20 页 ¥1
IEC 63522-6:2025
Electrical relays - Tests and measurements - Part 6: Contact-circuit resistance or voltage drop
现行 ICS 29 电气工程 2025 28 页 ¥2
IEC 63522-7:2025
Electrical relays - Tests and measurements - Part 7: Functional tests
现行 ICS 29 电气工程 2025 53 页 ¥3
IEC 63522-9:2025
Electrical relays - Tests and measurements - Part 9: Climatic tests
现行 ICS 29 电气工程 2025 21 页 ¥2
IEC 63536:2025
Railway applications - Signalling and control systems for non UGTMS urban rail systems
现行 ICS 45 铁路工程 2025 32 页 ¥2
IEC 63541:2025
Lithium tantalate and lithium niobate crystals for surface acoustic wave (SAW) device applications - Specifications and measuring methods
现行 ICS 31 电子学 2025 50 页 ¥3
IEC 63545:2026
Horticultural lighting - Luminaires for horticultural lighting - Safety
现行 ICS 29 电气工程 2026 45 页 ¥3