\n| Range of rated current\u00a01)<\/span><\/span><\/td>\n | Conductor cross-sectional area\u00a02), 3)<\/span><\/span><\/td>\n<\/tr>\n\n| A<\/span><\/td>\n | mm\u00b2<\/span><\/td>\n | AWG\/MCM<\/span><\/td>\n<\/tr>\n\n| 0<\/span><\/td>\n | 8<\/span><\/td>\n | 1,0<\/span><\/td>\n | 18<\/span><\/td>\n<\/tr>\n\n| 8<\/span><\/td>\n | 12<\/span><\/td>\n | 1,5<\/span><\/td>\n | 16<\/span><\/td>\n<\/tr>\n\n| 12<\/span><\/td>\n | 15<\/span><\/td>\n | 2,5<\/span><\/td>\n | 14<\/span><\/td>\n<\/tr>\n\n| 15<\/span><\/td>\n | 20<\/span><\/td>\n | 2,5<\/span><\/td>\n | 12<\/span><\/td>\n<\/tr>\n\n| 20<\/span><\/td>\n | 25<\/span><\/td>\n | 4,0<\/span><\/td>\n | 10<\/span><\/td>\n<\/tr>\n\n| 25<\/span><\/td>\n | 32<\/span><\/td>\n | 6,0<\/span><\/td>\n | 10<\/span><\/td>\n<\/tr>\n\n| 32<\/span><\/td>\n | 50<\/span><\/td>\n | 10<\/span><\/td>\n | 8<\/span><\/td>\n<\/tr>\n\n| 50<\/span><\/td>\n | 65<\/span><\/td>\n | 16<\/span><\/td>\n | 6<\/span><\/td>\n<\/tr>\n\n| 65<\/span><\/td>\n | 85<\/span><\/td>\n | 25<\/span><\/td>\n | 4<\/span><\/td>\n<\/tr>\n\n| 85<\/span><\/td>\n | 100<\/span><\/td>\n | 35<\/span><\/td>\n | 3<\/span><\/td>\n<\/tr>\n\n| 100<\/span><\/td>\n | 115<\/span><\/td>\n | 35<\/span><\/td>\n | 2<\/span><\/td>\n<\/tr>\n\n| 115<\/span><\/td>\n | 130<\/span><\/td>\n | 50<\/span><\/td>\n | 1<\/span><\/td>\n<\/tr>\n\n| 130<\/span><\/td>\n | 150<\/span><\/td>\n | 50<\/span><\/td>\n | 0<\/span><\/td>\n<\/tr>\n\n| 150<\/span><\/td>\n | 175<\/span><\/td>\n | 70<\/span><\/td>\n | 00<\/span><\/td>\n<\/tr>\n\n| 175<\/span><\/td>\n | 200<\/span><\/td>\n | 95<\/span><\/td>\n | 000<\/span><\/td>\n<\/tr>\n\n| 200<\/span><\/td>\n | 225<\/span><\/td>\n | 95<\/span><\/td>\n | 0000<\/span><\/td>\n<\/tr>\n\n| 225<\/span><\/td>\n | 250<\/span><\/td>\n | 120<\/span><\/td>\n | 250<\/span><\/td>\n<\/tr>\n\n| 250<\/span><\/td>\n | 275<\/span><\/td>\n | 150<\/span><\/td>\n | 300<\/span><\/td>\n<\/tr>\n\n| 275<\/span><\/td>\n | 300<\/span><\/td>\n | 185<\/span><\/td>\n | 350<\/span><\/td>\n<\/tr>\n\n| 300<\/span><\/td>\n | 350<\/span><\/td>\n | 185<\/span><\/td>\n | 400<\/span><\/td>\n<\/tr>\n\n| 350<\/span><\/td>\n | 400<\/span><\/td>\n | 240<\/span><\/td>\n | 500<\/span><\/td>\n<\/tr>\n\n| 1) 2) 3)<\/span><\/td>\n | The value of the rated current shall be greater than the first value in the first column and less than or equal to the second value in that column. For convenience of testing and with the manufacturer’s consent, smaller conductors than those given for a stated rated current may be used. Either of the two conductors specified for a given rated current range may be used.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n D\u00f2ng \u0111i\u1ec7n v\u00e0 ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn, thanh c\u00e1i t\u1eeb 400A \u0111\u1ebfn 3150A \u0111\u01b0\u1ee3c ch\u1ecdn trong b\u1ea3ng 9 IEC 60439-1.<\/p>\n \n\n\n| \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | Test conductors<\/span><\/td>\n<\/tr>\n\n| Values of the rated current A<\/span><\/td>\n | Range of rated current 1) A<\/span><\/td>\n | \u00a0<\/span><\/td>\n<\/tr>\n\n| Cables<\/span><\/td>\n | Copper bars 2)<\/span><\/td>\n<\/tr>\n\n| Quantity<\/span><\/td>\n | Cross sectional area 3) mm2<\/span><\/td>\n | Quantity<\/span><\/td>\n | Dimensions 3) mm<\/span><\/td>\n<\/tr>\n\n| 500<\/span><\/td>\n | 400 to 500<\/span><\/td>\n | 2<\/span><\/td>\n | 150(16)<\/span><\/td>\n | 2<\/span><\/td>\n | 30 \u00d7 5(15)<\/span><\/td>\n<\/tr>\n\n| 630<\/span><\/td>\n | 500 to 630<\/span><\/td>\n | 2<\/span><\/td>\n | 185(18)<\/span><\/td>\n | 2<\/span><\/td>\n | 40 \u00d7 5(15)<\/span><\/td>\n<\/tr>\n\n| 800<\/span><\/td>\n | 630 to 800<\/span><\/td>\n | 2<\/span><\/td>\n | 240(21)<\/span><\/td>\n | 2<\/span><\/td>\n | 50 \u00d7 5(17)<\/span><\/td>\n<\/tr>\n\n| 1 000<\/span><\/td>\n | 800 to 1000<\/span><\/td>\n | \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | 2<\/span><\/td>\n | 60 \u00d7 5(19)<\/span><\/td>\n<\/tr>\n\n| 1 250<\/span><\/td>\n | 1 000 to 1250<\/span><\/td>\n | \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | 2<\/span><\/td>\n | 80 \u00d7 5(20)<\/span><\/td>\n<\/tr>\n\n| 1 600<\/span><\/td>\n | 1 250 to 1600<\/span><\/td>\n | \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | 2<\/span><\/td>\n | 100 \u00d7 5(23)<\/span><\/td>\n<\/tr>\n\n| 2 000<\/span><\/td>\n | 1 600 to 2000<\/span><\/td>\n | \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | 3<\/span><\/td>\n | 100 \u00d7 5(20)<\/span><\/td>\n<\/tr>\n\n| 2 500<\/span><\/td>\n | 2 000 to 2500<\/span><\/td>\n | \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | 4<\/span><\/td>\n | 100 \u00d7 5(21)<\/span><\/td>\n<\/tr>\n\n| 3 150<\/span><\/td>\n | 2 500 to 3150<\/span><\/td>\n | \u00a0<\/span><\/td>\n | \u00a0<\/span><\/td>\n | 3<\/span><\/td>\n | 100 \u00d7 10(23)<\/span><\/td>\n<\/tr>\n\n| 1)<\/span><\/td>\n | The value of the current shall be greater than the first value and less than or equal to the second value.<\/span><\/td>\n<\/tr>\n\n| 2)<\/span><\/td>\n | Bars are assumed to be arranged with their long faces vertical. Arrangements with long faces horizontal may be used if specified by the manufacturer.<\/span><\/td>\n<\/tr>\n\n| 3)<\/span><\/td>\n | Values in brackets are estimated temperature rises (in kelvins) of the test conductors given for reference.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n L\u1ef1a ch\u1ecdn ti\u1ebft di\u1ec7n d\u00e2y PE theo \u0111i\u1ec1u ki\u1ec7n sau \u0111\u00e2y (Trong b\u1ea3ng S l\u00e0 ti\u1ebft di\u1ec7n d\u00e2y pha)<\/p>\n \n\n\n| Cross-sectional area\u00a0of phase conductors S<\/span><\/td>\n | Minimum cross-sectional area of the corresponding protectiveconductor (PE, PEN) Sp<\/span><\/td>\n<\/tr>\n\n| mm2<\/span><\/td>\n | mm2<\/span><\/td>\n<\/tr>\n\n| S \u2264<\/span><\/td>\n | 16<\/span><\/td>\n | S<\/span><\/td>\n<\/tr>\n\n| 16 < S \u2264<\/span><\/td>\n | 35<\/span><\/td>\n | 16<\/span><\/td>\n<\/tr>\n\n| 35 < S \u2264<\/span><\/td>\n | 400<\/span><\/td>\n | S\/2<\/span><\/td>\n<\/tr>\n\n| 400 < S \u2264<\/span><\/td>\n | 800<\/span><\/td>\n | 200<\/span><\/td>\n<\/tr>\n\n| 800 < S<\/span><\/td>\n | \u00a0<\/span><\/td>\n | S\/4<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n M\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn thanh c\u00e1i d\u00f9ng cho t\u1ee7 \u0111i\u1ec7n l\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc \u0111\u1ea7u c\u1ef1c c\u1ee7a\u00a0MCCB. Khi l\u1ef1a ch\u1ecdn busbar ta th\u01b0\u1eddng ch\u1ecdn b\u1ec1 r\u1ed9ng b\u1eb1ng v\u1edbi \u0111\u1ea7u c\u1ef1c MCCB c\u00f2n \u0111\u1ed9 d\u00e0y th\u00ec ch\u1ecdn sao cho \u0111\u1ea1t chu\u1ea9n trong c\u00e1c b\u1ea3ng tra. \u0110\u1ed9 r\u1ed9ng \u0111\u1ea7u c\u1ef1c MCCB th\u01b0\u1eddng nh\u01b0 sau :<\/p>\n \n- Framesize 63, 100A : 17mm<\/li>\n
- Framesize 200A : 22.5mm<\/li>\n
- Framesize 400A : 30mm<\/li>\n
- Framesize 800A : 41mm<\/li>\n
- Framesize 1200A : 44mm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
L\u1ef1a ch\u1ecdn ti\u1ebft di\u1ec7n d\u00e2y \u0111i\u1ec7n, c\u00e1p \u0111i\u1ec7n, thanh c\u00e1i (busbar) l\u00e0 c\u00f4ng vi\u1ec7c quan tr\u1ecdng v\u00e0 th\u01b0\u1eddng xuy\u00ean \u0111\u1ed1i v\u1edbi ng\u00e0nh \u0111i\u1ec7n. M\u1ed7i ng\u01b0\u1eddi c\u00f3 m\u1ed9t c\u00e1ch ch\u1ecdn kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng x\u1ea3y ra 2 tr\u01b0\u1eddng h\u1ee3p : Ch\u1ecdn d\u00e2y, c\u00e1p \u0111i\u1ec7n, thanh c\u00e1i theo t\u00ednh to\u00e1n Ch\u1ecdn d\u00e2y, c\u00e1p \u0111i\u1ec7n, thanh c\u00e1i theo […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11499],"tags":[12833,12834],"class_list":["post-18086","post","type-post","status-publish","format-standard","hentry","category-tin-tuc-tu-dong-hoa","tag-chon-day-dan","tag-chon-thanh-cai"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18086","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18086"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18086\/revisions"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |