29.080.01;29.240.01;17.220.20 标准查询与下载

LST EN 61557-8-2015 交流1000V和直流1500V以下低压配电系统电气安全. 防护措施的试验, 测量或监控设备. 第8部分: IT系统绝缘监测装置(IEC 61557-8-2014)

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems (IEC 61557-8:2014)

KS C IEC 61557-7:2013 交流1000V和直流1500V以下低压配电系统电气安全.防护检测的试验、测量或监控设备.第7部分:相序

이 표준은 3상 배전 계통의 위상 시퀀스 시험에 적용하는 측정 장비에 대한 요구사항에 대하

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.－Equipment for testing, measuring or monitoring of protective measures－Part 7：Phase sequence

KS C IEC 61557-3:2013 交流1000V和直流1500V以下低压配电系统电气安全.防护检测的试验、测量或监控设备.第3部分:回线阻抗

이 표준은 시험 중인 회로에 부하가 걸린 경우 전압 강하를 사용하여 상 도체와 보호 접지선

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.－Equipment for testing, measuring or monitoring of protective measures－Part 3：Loop impedance

LST EN 61557-13-2011 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第13部分：用于测量泄漏的手持式和手持式电流钳和传感器

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures -- Part 13: Hand-held and hand-manipulated current clamps and sensors for measurement of leak

LST EN 61557-11-2009 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第11部分：TT、TN 中 A 型和 B 型剩余电流监测器（RCM）的有效性和

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and

LST EN 61557-12-2008 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第12部分：性能测量和监控设备（PMD）（IEC 61557-12:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performance measuring and monitoring devices (PMD) (IEC 61557-12:2007)

LST EN 61557-6-2008 高达 1 000 V ac 和 1 500 V dc 的低压配电系统中的电气安全 保护措施的测试、测量或监控设备 第6部分：TT、TN 和 IT 系统中剩余电流装置（RCD）的有效性（IEC 61557

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems (IEC 61557

LST EN 61557-8-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第8部分：IT 系统的绝缘监控设备（IEC 61557-8:2007 + 更正 5 月 20 日

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems (IEC 61557-8:2007 + corrigendum May 20

LST EN 61557-5-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第5部分：接地电阻（IEC 61557-5:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth (IEC 61557-5:2007)

LST EN 61557-4-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第4部分：接地电阻和等电位连接（IEC 61557-4:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding (IEC 61557-4:2007)

LST EN 61557-3-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统中的电气安全 用于测试、测量或监控保护措施的设备 第3部分：环路阻抗（IEC 61557-3:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (IEC 61557-3:2007)

LST EN 61557-2-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第2部分：绝缘电阻（IEC 61557-2:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance (IEC 61557-2:2007)

LST EN 61557-1-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统中的电气安全 用于测试、测量或监控保护措施的设备 第1部分：一般要求（IEC 61557-1:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements (IEC 61557-1:2007)

LST EN 61557-7-2007 高达 1 000 V ac 和 1 500 V dc 的低压配电系统的电气安全 保护措施的测试、测量或监控设备 第7部分：相序（IEC 61557-7:2007）

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence (IEC 61557-7:2007)

LST EN 61557-10-2002 高达 1000 V ac 和 1500 V dc 的低压配电系统的电气安全 用于测试、测量或监控保护措施的设备 第10部分：用于测试、测量或监视保护措施的组合测量设备

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Part 10: Combined measuring equipment for testing, measuring or monitoring of protective measur