{"product_id":"gbt14048-3-2025","title":"GB\/T 14048.3-2025 English PDF (GB\/T14048.3-2025)","description":"\u003ch1\u003eGB\/T 14048.3-2025: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units\u003c\/h1\u003e\u003cb style=\"font-size:16px;\"\u003eDelivery:\u003c\/b\u003e 9 seconds. Download (and Email) true-PDF + Invoice.\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eGet Quotation:\u003c\/b\u003e Click \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/Cart\/Cart.aspx?GB\/T%2014048.3-2025_English\" rel=\"nofollow\"\u003eGB\/T 14048.3-2025\u003c\/a\u003e (Self-service in 1-minute)\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eNewer \/ historical versions: \u003c\/b\u003e \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/PDF.aspx\/GBT14048.3-2025\"\u003eGB\/T 14048.3-2025\u003c\/a\u003e\u003ch2\u003ePreview True-PDF\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.chinesestandard.net\/Preview_PDF.aspx\/GBT14048.3-2025\" width=\"445\" height=\"600\" title=\"GB\/T 14048.3-2025 True-PDF\"\u003e\u003c\/iframe\u003e \u003cbr\u003e\u003ch2\u003eScope\u003c\/h2\u003eThis document applies to switches, disconnectors, switch-disconnectors and fuse- \u003cbr\u003ecombination units and their dedicated accessories to be used in distribution circuits and \u003cbr\u003emotor circuits of which the rated voltage does not exceed 1000 V AC or 1500 V DC. \u003cbr\u003eNOTE 1 Accessories are interconnecting units, extended terminals, internal coils, auxiliary contacts, \u003cbr\u003emotor operator, etc. offered as options with the basic unit. \u003cbr\u003eThis document does not apply to equipment coming within the scope of IEC 60947-2, \u003cbr\u003eIEC 60947-4-1 and IEC 60947-5-1. \u003cbr\u003eParticular requirements for switches, disconnectors, switch-disconnectors and fuse- \u003cbr\u003ecombination units for use in photovoltaic (PV) DC applications are given in Annex D. \u003cbr\u003eSpecific requirements for LV switchgear intended for the connections of aluminium \u003cbr\u003econductors are given in Annex E. \u003cbr\u003eGuidance on measurement of power loss is provided in Annex F. \u003cbr\u003eThis document does not include the additional requirements necessary for electrical \u003cbr\u003eapparatus for explosive gas atmospheres. \u003cbr\u003eNOTE 2 Depending on its design, a switch (or disconnector) can be referred to as \"a rotary switch \u003cbr\u003e(disconnector)\", \"cam-operated switch (disconnector)\", \"knife-switch (disconnector)\", etc. \u003cbr\u003eNOTE 3 In this document, the word \"switch\" also applies to the apparatus referred to in French as \u003cbr\u003e\"commutateurs\", intended to modify the connections between several circuits and inter alia to \u003cbr\u003esubstitute a part of a circuit for another. \u003cbr\u003eNOTE 4 In general, throughout this document, switches, disconnectors, switch-disconnectors and \u003cbr\u003efuse-combination units will be referred to as \"equipment\". \u003cbr\u003eThe object of this document is to state. \u003cbr\u003ea) the characteristics of the equipment; \u003cbr\u003eb) the conditions that apply to the equipment with reference to. \u003cbr\u003e\u003cbr\u003e\u003ch2\u003eBasic Data\u003c\/h2\u003e\u003ctable id=\"TableTabAbout0\" rules=\"all\" border=\"1\" style=\"font-family:Arial;font-size:Small;\"\u003e  \u003ctr id=\"TableTabRow10\"\u003e     \u003ctd id=\"TableTabCell110\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eStandard ID\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell120\" align=\"center\"\u003e GB\/T 14048.3-2025 (GB\/T14048.3-2025)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow20\"\u003e     \u003ctd id=\"TableTabCell210\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDescription (Translated English)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell220\" align=\"center\"\u003e Low-voltage switchgear and controlgear - Part 3: Switches��disconnectors��switch-disconnectors and fuse-combination units\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow30\"\u003e     \u003ctd id=\"TableTabCell310\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSector \/ Industry\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell320\" align=\"center\"\u003e National Standard (Recommended)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow40\"\u003e     \u003ctd id=\"TableTabCell410\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of Chinese Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell420\" align=\"center\"\u003e K30\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow50\"\u003e     \u003ctd id=\"TableTabCell510\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of International Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell520\" align=\"center\"\u003e 29.120.40\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow60\"\u003e     \u003ctd id=\"TableTabCell610\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Issue\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell620\" align=\"center\"\u003e 2025-10-31\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow70\"\u003e     \u003ctd id=\"TableTabCell710\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Implementation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell720\" align=\"center\"\u003e 2026-05-01\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow80\"\u003e     \u003ctd id=\"TableTabCell810\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eOlder Standard (superseded by this standard)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell820\" align=\"center\"\u003e GB\/T 14048.3-2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e","brand":"www.ChineseStandard.us -- Field Test Asia Pte. Ltd.","offers":[{"title":"Default Title","offer_id":53023263424826,"sku":null,"price":1265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5737\/1706\/files\/GBT14048.3-2025EN.1_e500bc51-360a-4f2e-a4d9-d741450b4ab5.jpg?v=1770972099","url":"https:\/\/www.chinesestandard.us\/products\/gbt14048-3-2025","provider":"www.ChineseStandard.us (www.ChineseStandard.net)","version":"1.0","type":"link"}