Specification for automatic change-over contactors for emergency lighting systems
适用范围:Design and performance requirements for d.c. and single-phase a.c. double-pole change-over contactors for low-voltages up to 250 volts and a range of standard current ratings, which are used to provide...
发布日期:1990-05-30 实施日期:1990-05-30
Surge overvoltages and surge protection in low-voltage a.c. power systems - General basic information
实施日期:2005-10-01
Empty enclosures for Low-voltage switchgear and controlgear assemblies―General requirements
适用范围:本标准适用于由壳体制造商提供的、在用户安装开关设备和控制设备元件之前的空壳体(以下简称壳体)。本标准规定了低压成套开关设备和控制设备(例如符合IEC 61439系列)所用的壳体的定义、分类、 性能和试验要求。其额定电压为...
发布日期:2014-12-22 实施日期:2015-06-01
Verteilungsautomatisierung mit Hilfe von Traegersystemen auf Verteilungsleitungen. Datenkommunikationsprotokolle Vermittlungsschicht Verbindungsloses Protokoll Distribution Automation Using Distributio...
适用范围:This part of IEC 61334 covers the services required of, or by, the DCP network layer (N) sublayer entity at the logical interfaces with the N user layer and the LLC sublayer, using the connectionless N...
实施日期:1998-12-15
Programmable controllers - Part 5: Communications (IEC 61131-5:2000); German version EN 61131-5:2001
适用范围:The document specifies communication aspects of a programmable controller. It specifies from the viewpoint of a PC how any device can communicate with a PC as a server and how a PC can communicate with...
实施日期:2001-11-01
Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 1: General rules
实施日期:2008-05-01
Elektrische Anlagen von Gebaeuden Teil 5:Auswahl und Errichfung elektrischer Betriebsmittel kapitel 53:Schaltgeraete und Steuergeraete Abschnitt 537:Geraete zum Trennen und Schalten
实施日期:1999-06-01
Residual Current Operated Circuit-Breakers without Integral Overcurrent Protection for Household and Similar Uses (RCCB's) Part 2-1:Applicability of the General Rules to RCCB's Functionally Independent...
适用范围:Applies to RCCBs functionally independent of line voltage, for rated voltages not exceeding 400 V a.c. and rated currents not exceeding 125 A. To be read in conjunction with BS EN 61008-1
实施日期:1995-01-01
Connecting devices for low-voltage circuits for household and similar purposes--Part 2:Particular requirements for twist-on connecting devices
适用范围:本标准适用于连接两根或多根未经处理的硬和/或软铜导线的扭接式连接器件,所接导线应符合GB 3958—1983的要求,导线截面积从0.5mm2至16mm2(含16mm2),截面积之知不超过35mm2。 本标准适用于家用和类似用途的、电压不超过...
实施日期:1999-10-01
Low-voltage switchgear and controlgear - Part 6-2: Multiple function equipment - Control and protective switching devices (or equipment) (CPS)
适用范围:Applies to control and protective switching devices (or equipment) (CPS), the main contacts of which are intended to be connected to circuits of rated voltage not exceeding 1 000 V a.c. or 1 500 V d.c....
发布日期:2002-10-18 实施日期:2002-10-18
Electric cables Guide to use for cables with a rated voltage not exceeding 450/750 V Part 3:National standard cables not included in HD 21 and HD 22 Together with BS 7540-1:2005 and BS 7540-2:2005 supe...
适用范围:To be read in conjunction with BS 7540-1:2005
实施日期:2005-07-22
Harmonisiertes Guetebestaetigungssystem fuer Bauelemente der Elektronik. Vordruck fuer Bauartspezifikation:Niederspannungs-Varistoren Vorzugsweise fuer Telephonie-Anwendungen (Guetebestaetigungsstufe P...
适用范围:This standard lists the ratings, characteristics and inspection requirements which shall be included as mandatory requirements in accordance with BS CECC 42100.
实施日期:1978-01-01
实施日期:2008-01-01
Low-voltage switchgear and controlgear assemblies-Part 6:Busbar trunking systems(busways)
适用范围:GB 7251的本部分规定了下述低压成套设备(见3.101)的定义、使用条件、结构要求、技术特性和验证要求:--额定电压交流不超过1 000 V,直流不超过1 500 V的成套设备;--与发电、输电、配电、电能转换以及控制电能消耗的设备配套使...
发布日期:2015-05-15 实施日期:2016-06-01
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