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IEC 61557-1:2019 RLV
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements
现行
ICS 29 电气工程
2019
81 页
¥5
IEC 61557-2:2019
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
现行
ICS 29 电气工程
2019
19 页
¥1
IEC 61557-3:2019 RLV
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
现行
ICS 29 电气工程
2019
32 页
¥2
IEC 61557-4:2019
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
现行
ICS 29 电气工程
2019
20 页
¥1
IEC 61557-5:2019 RLV
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth
现行
ICS 29 电气工程
2019
38 页
¥2
IEC 61557-6:2019 RLV
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems
现行
ICS 29 电气工程
2019
46 页
¥3
IEC 61557-7:2019/AMD1:2023
Amendment 1 - Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
现行
ICS 29 电气工程
2019
9 页
¥1
IEC 61557-9:2023 CMV
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems
现行
ICS 25 机械制造
2023
109 页
¥5
IEC 61558-1:2017
Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
现行
ICS 29 电气工程
2017
356 页
¥5
IEC 61558-2-10:2024 EXV
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10: Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
现行
ICS 29 电气工程
2024
213 页
¥5
IEC 61558-2-12:2024 EXV
Safety of transformers, reactors, power supply units and combination thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage
现行
ICS 29 电气工程
2024
219 页
¥5
IEC 61558-2-13:2022 RLV
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-13: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications
现行
ICS 29 电气工程
2022
49 页
¥3
IEC 61558-2-14:2022
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers for general applications
现行
ICS 29 电气工程
2022
37 页
¥2
IEC 61558-2-15:2022 EXV
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for medical IT systems for the supply of medical locations
现行
ICS 29 电气工程
2022
207 页
¥5
IEC 61558-2-16:2021/COR1:2023
Corrigendum 1 - Safety of transformers, reactors, power supply units and combinations thereof - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications
现行
ICS 29 电气工程
2021
1 页
¥1
IEC 61558-2-1:2021
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications
现行
ICS 29 电气工程
2021
14 页
¥1
IEC 61558-2-20:2022 RLV
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors
现行
ICS 29 电气工程
2022
70 页
¥5
IEC 61558-2-23:2024 EXV
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites
现行
ICS 29 电气工程
2024
223 页
¥5
IEC 61558-2-26:2013
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-26: Particular requirements and tests for transformers and power supply units all for saving energy and other purposes
现行
ICS 29 电气工程
2013
38 页
¥2
IEC 61558-2-2:2022 EXV
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-2: Particular requirements and tests for control transformers and power supply units incorporating control transformers
现行
ICS 29 电气工程
2022
176 页
¥5