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IEC 61643-11:2025
Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods- 발행일 : 2025-06-18
- 발행기관 : IEC
상세정보
| 분야 | TC 37/SC 37A : Low-voltage surge protective devices |
|---|---|
| 적용범위 | IEC 61643-11:2025 is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages. These devices are intended to be connected to AC power circuits and equipment rated up to 1 000 V RMS, the preferred frequencies taken into account in this document are 50/60 Hz. Other frequencies are not excluded. Performance and safety requirements, tests and ratings are specified in this document. These devices contain at least one nonlinear component and are intended to limit surge voltages and divert surge currents. The test requirements provided by this document are based on the assumption that the SPD is connected to an AC power circuit fed by a power source providing a linear voltage-current characteristic. When the SPD is to be connected to a different kind of source or to a different frequency, careful consideration is required. This mainly applies with regard to system and fault conditions to be expected in such a system (e.g. expected short circuit current, TOV-stresses). This document can apply for railway applications, when related product standards do not exist for that area or for certain applications. Based on a risk assessment it might not be necessary to apply all requirements of this document to SPDs designed for specific power applications only, e.g. circuits with a low power capability, circuits supplied by nonlinear sources, circuits with protective separation from the utility supply. NOTE 1 More information on risk assessment is provided in IEC Guide 116. NOTE 2 Other exclusions based on national regulations are possible. This edition includes the following significant technical changes with respect to the previous edition: a) Specific requirements for SPDs for AC applications are now contained in this document, whereas the common requirements for all SPDs are now contained in IEC 61643-01; b) Clarification on test application either to a complete SPD, to a "mode of protection", or to a complete "SPD assembly"; c) Additional measurement of voltage protection level on "combined modes of protection" between live conductors and PE; d) Additional duty test for T1 and T2 SPDs with follow current to check variation of the follow current value at lower impulse currents; e) Modified and amended short circuit current test requirements to better cover up to date internal SPD disconnector technologies; f) Improved dielectric test requirements for the SPD's main circuits and added dielectric test requirements for "electrically separated circuits"; g) Additional clearance requirements for "electrically separated circuits". The requirements of this document supplement, modify or replace certain of the general requirements contained in IEC 61643-01 and shall be read and applied together with the latest edition of IEC 61643-01, as indicated by the undated normative reference in Clause 2 of this document. |
| 국제분류(ICS)코드 | 29.240.10 : 변전소. 서어지 방지장치 |
| 페이지수 | 84 |
| Edition | 2.0 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | IEC 61643-11:2025상세보기 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods | 2025-06-18 | 표준 |
| 2 | IEC 61643-11:2011상세보기 | Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods | 2011-03-09 | 구판 |
관련상품
- IEC 61643-321:2001 - Components for low-voltage surge protective devices - Part 321: Specifications for avalanche breakdown diode (ABD)
- IEC 61643-1:2005 - Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
- IEC 61643-311:2013 - Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)
- IEC 61643-312:2013 - Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes
- IEC 61643-312:2013/COR1:2013 - Corrigendum 1 - Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes
다른 사람이 함께 구입한 상품
- IEC 61643-01:2024 - Low-voltage surge protective devices - Part 01: General Requirements and test methods
- IEC 60309-4:2021 - Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 4: Switched socket-outlets with or without interlock
- IEC 60309-1:2021/COR1:2023 - Corrigendum 1 - Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 1: General requirements
- IEC 61434:1996 - Secondary cells and batteries containing alkaline or other non-acid electrolytes - Guide to designation of current in alkaline secondary cell and battery standards
- IEC 60309-3:1994 - Plugs, socket-outlets and couplers for industrial purposes - Part 3: Particular requirements for plugs, socket-outlets, connectors and appliance inlets for use in explosive gas atmospheres
추천 상품
- IEC TS 63134:2020 - Active assisted living (AAL) use cases
- IEC 60034-5:2020 RLV - Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification
- KS B ISO/TS 25740-1 - 에스컬레이터 및 무빙워크에 대한 안전요건 — 제1부: 세계공통 필수 안전요건(GESRs)
- KS B ISO/TS 8100-21 - 승객 및 화물 운송용 엘리베이터 —제21부: 세계공통 필수안전요건(GESRs)을 충족하는 세계공통 안전 파라미터(GSPs)
- KS C IEC TS 62872 - 산업 시설과 스마트 그리드 사이의 산업 공정 측정, 제어 및 자동화 시스템 인터페이스
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