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1、ICS73.100.99D98备案号:15514-2005MT中华人民共和国煤炭行业标准MT/T945-2005煤矿用增安型低压电缆接线盒Increasedsafetylow-voltagecablesconnectingboxforcoalmine2005-02-14发布2005-06-01实施国家发展和改革委员会发布MT/T945-2005目次前言··············，······················，···········。····························。··，·
2、····························⋯⋯I1范围············，··，·····························‘·······，··，··，··················，··，··················，·，，·，，·⋯⋯12规范性引用文件············································，···············，，··，，，····，···················⋯⋯13分类与命名·······
3、·················，·······································································⋯⋯14要求·。·····························，···，····································································⋯⋯25试验方法·，··，··········，·······‘·······················，·····
4、·。···············，，····，························⋯⋯36检验规则·····，，·，·············‘······，，···············‘·····················，，··，，···············，···，·······⋯⋯37标志、包装、运输和贮存······，，·······························，，，，，····················一4MT/T945-2005前言本标准由中国煤炭
5、工业协会科技发展部提出。本标准由煤炭工业煤矿专用设备标准化技术委员会归口。本标准由煤炭科学研究总院上海分院负责起草，煤炭科学研究总院抚顺分院参加起草。本标准主要起草人:刘英社、王其坤、安树桐。MT/T945-2005煤矿用增安型低压电缆接线盒1范围本标准规定了煤矿用增安型低压电缆接线盒的分类与命名、要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于煤矿用增安型低压电缆接线盒(以下简称接线盒)。规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单(不包
6、括勘误的内容)或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB/T191-2000包装储运图示标志(eqvISO780:1997)GB/T2423.4-1993电工电子产品基本环境试验规程试验Db:交变湿热试验方法(eqvIEC68-2-30:1980)GB3836.1-2000爆炸性气体环境用电气设备第1部分:通用要求(eqvIEC60079-0:1998)GB3836.3-2000姗炸性气体环境用电气设备第3部分:
7、增安型"e"(eqvIEC60079-7:1990)GB/T4942.2-1993低压电器外壳防护等级(eqvIEC947-1:1988)GB/T14048.1-2000低压开关设备和控制设备总则(eqvIEC60947-1;1999)MT/T154.2-1996煤矿用电器设备产品型号方法和管理办法分类与命名3.1型式接线盒的防爆型式为煤矿用增安型(ExeI),3.2型号及含义产品型号编制方法应符合MT/T154.2-1996的规定.排列方式见图1,3.3若本参橄3.3.1额定电压值:交流36,127,220,38
8、0,660,1140V直流24,36,110,220V,3.3.2额定电流值:25,63,160,200,250,315,400A,3.3.3额定频率:50Hz,3.3.4外壳防护等级应不低于GB/T4942.2-1993规定的IP54,3.3.5接线盒为长期工作制。1个教(或通致)定电压，单位为伏(v)定电流，单位为安(A)序号(用正整数表示)图1产品型号
