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【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part5-8:Controlcircuitdevicesandswitchingelements-Three-positionenablingswitches
【原文标准名称】:低压开关设备和控制设备.第5-8部分:控制电路器件和切换元件.三位启动开关
【标准号】:IEC60947-5-8-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:接触元件;控制装置;控制设备;控制开关;定义;电气工程;低电压;低压电器;低压开关设备;作标记;机械性泄露;产品信息;特性;合格试验;常规检验;安全元件;机械安全;规范(验收);开关;开关设备;开关操纵元件;试验;试验条件
【英文主题词】:Acquisition;Activities;Ageing(materials);Alternatingfields;Alternatingvoltages;Ambienttemperature;Appliancecouplers;Behaviour;Cables;Capacitive;Characteristics;Classificationsystems;Clearances;Conditions;Connections;Constantfields;Constructionrequirements;Contactelement;Controldevices;Controlequipment;Controlswitches;Currents;Cylinders;Damping;Definitions;Degreesofprotection;Directvoltage;Discharge;Disconnection;Distances;Doorclosers;Earthconductors;Electricalengineering;Electromagnetic;Electromagnetism;EMC;Evaluations;Exits;Firerisks;Frequencies;Handlings;Heat;Heating;Height;Hysteresis;Idlemode;Impulsevoltages;Indications;Inductive;Information;Insulations;Interferingemissions;Leakagepaths;Linevoltagedrop;Loading;Longitudinalslots;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Materials;Measure;Measurement;Measuringtechniques;Mechanic;Mechanicallinkages;Metals;Mounting;Operation;Optical;Pipes;Plugs;Precision;Productinformation;Properties;Proximityswitches;Qualificationtests;Routinechecktests;Safetycomponents;Safetyofmachinery;Selection;Servicevoltage;Shape;Shocks;Shortcircuits;Signals;Specification(approval);Stress;Supply;Switches;Switchgear;Switchingelements;Switchingfrequency;Switchingintervals;Switching-in;Tensiletests;Testresults;Testing;Testingconditions;Threads;Transport;Types;Ultrasonics;Vibration;Voltagedrops
【摘要】:ThispartofIEC60947specifiesrequirementsforthree-positionenablingswitches.Theseswitchesareusedascomponentsofenablingdevicesdescribedin10.9ofIEC60204-1toprovidesignalsthat,a)whenactivated,allowmachineoperationtobeinitiatedbyaseparatestartcontrol,andb)whende-activated,i)initiateastopfunction,andii)preventinitiationofmachineoperation.NOTE1Theenablingcontrolfunctionisdescribedin9.2.6.3ofIEC60204-1.NOTE2Thisstandarddoesnotdealwithenablingdevices.Thisstandarddoesnotapplyto:?three-positionenablingswitchesfornon-electricalcontrolcircuits,forexamplehydraulic,pneumatic;?enablingswitcheswithoutthree-positionmechanism;?emergencystopdevices(seeIEC60947-5-5).
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:41P.;A4
【正文语种】:英语

标准名称：	石油及天然气探井数据库编码 气测方法代码
中标分类：	石油 >> 石油综合 >> 计算机应用
替代情况：	被SY/T 6239-96代替
发布日期：
实施日期：	2003-08-01
首发日期：
作废日期：
出版日期：
页数：	1页

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