{"id":1603,"date":"2026-05-08T11:54:07","date_gmt":"2026-05-08T03:54:07","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&p=1603"},"modified":"2026-07-17T10:58:36","modified_gmt":"2026-07-17T02:58:36","slug":"szjb300a-d-normally-closed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/ko\/product\/szjb300a-d-normally-closed-dc-contactor\/","title":{"rendered":"SZJB300A-D \uc0c1\uc2dc \ub2eb\ud798\ud615 DC \uc811\ucd09\uae30"},"content":{"rendered":"

\uc8fc\uc694 \uae30\ub2a5<\/span><\/strong><\/h2>\n
<\/div>\n
Battery management systems also benefit from the use of normally closed DC contactors. In situations where the battery is at risk of overload or short circuit, these contactors can effectively cut off the power supply, protecting the battery and circuit from damage. This application is particularly important in electric vehicles and renewable energy systems, where battery safety is a top priority.<\/div>\n

\uc0ac\uc694\uc628 \ubaa8\ub378 \uc2dc\uc0ac\uc810<\/strong><\/h2>\n
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SZJB<\/p>\n<\/td>\n

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300A<\/p>\n<\/td>\n

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-D<\/p>\n<\/td>\n

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-S<\/p>\n<\/td>\n

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-\u25a1<\/p>\n<\/td>\n

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-\u25a1<\/p>\n<\/td>\n

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\/\u25a1<\/p>\n<\/td>\n

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\n<\/td>\n<\/tr>\n

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1<\/p>\n<\/td>\n

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2<\/p>\n<\/td>\n

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3<\/p>\n<\/td>\n

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4<\/p>\n<\/td>\n

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5<\/p>\n<\/td>\n

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6<\/p>\n<\/td>\n

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7<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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1<\/p>\n<\/td>\n

\uc81c\ud488 \uc720\ud615<\/b><\/b><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
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2<\/p>\n<\/td>\n

\uc815\uaca9 \uc804\ub958<\/b><\/b><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
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3<\/p>\n<\/td>\n

Coil type:<\/b>\u00a0D<\/b>-Single coil structure<\/td>\n<\/tr>\n
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4<\/p>\n<\/td>\n

\ubcf4\uc870 \uc2a4\uc704\uce58: \uc5c6\uc74c<\/b>-\ubcf4\uc870 \uc2a4\uc704\uce58 \uc5c6\uc74c;\u00a0S<\/b>\ubcf4\uc870 \uc2a4\uc704\uce58 \ud3ec\ud568<\/td>\n<\/tr>\n
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5<\/p>\n<\/td>\n

Mounting bracket type:<\/b>\u00a0\uc5c6\uc74c<\/b>-M \uc218\ud3c9 (\uae30\ubcf8\uac12);\u00a0E<\/b>-\ub808\ubca8 \ub0b4\uc7a5;\u00a0X<\/b>-Oblique;\u00a0L(N)<\/b>-\uc218\uc9c1;\u00a0E1<\/b>-\ub808\ubca8 \ub0b4\uc7a5 \ub2e8\ubc29\ud5a5<\/td>\n<\/tr>\n
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6<\/p>\n<\/td>\n

\uae30\ud0c0 \uae30\ub2a5 \ucf54\ub4dc<\/b><\/td>\n<\/tr>\n
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7<\/p>\n<\/td>\n

\ucf54\uc77c \uc815\uaca9 \uc804\uc555:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V \ub4f1.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\uc6a9\ub3c4<\/strong><\/h2>\n
This product have one normally close contact, for electric vehicles, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, electronic control systems such as uninterruptible power supply.<\/div>\n

Technical Parameters:\u00a0 (Version 1.81)<\/strong><\/h2>\n
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\u00a0\uc0ac\uc694\uc628 \uc81c\ud488 \uc720\ud615<\/b><\/p>\n<\/td>\n

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\u00a0SZJB300A-D<\/b><\/p>\n<\/td>\n<\/tr>\n

\u00a0\ubb38\uc758\ud558\uae30<\/td>\n\u00a01 NC<\/td>\n<\/tr>\n
\u00a0\ucf54\uc77c \uc815\uaca9 \uc804\uc555 (DC V)<\/td>\n\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 84V, 120V, 150V, 220V \ub4f1.<\/td>\n<\/tr>\n
\u00a0\uc811\ucd09 \uc804\uc555 (DC V)<\/td>\n\u00a0\u226460V<\/td>\n<\/tr>\n
\u00a0\uc811\uc810 48V \ud68c\ub85c(DC-1)\uc758 \uc815\uaca9 \ubd80\ud558 \uc804\ub958<\/td>\n\u00a0300A<\/td>\n<\/tr>\n
\u00a0100A\ub2f9 \uc804\ud615\uc801\uc778 \uc811\uc810 \uac04 \uc804\uc555 \uac15\ud558<\/td>\n\u00a080mV \ucd08\uacfc<\/td>\n<\/tr>\n
\u00a0(20\u00b15)\u2103\uc5d0\uc11c\uc758 \ubcf5\uadc0 \uc804\uc555 (V)<\/td>\n\u00a0\u226f70%<\/td>\n<\/tr>\n
\u00a0(20\u00b15)\u2103\uc5d0\uc11c\uc758 \ubcf5\uadc0 \uc804\uc555 (V)<\/td>\n\u00a0\u226f35%,\u226e5%<\/td>\n<\/tr>\n
\u00a040\u2103 \ucf54\uc77c\uc758 \uc791\ub3d9 \uc804\uc555 \ubc94\uc704<\/td>\n\u00a00.8-1.2\ub9c8\uc774\ud06c\ub85c\ucd08<\/td>\n<\/tr>\n
\u00a0\ub4dc\ub86d\uc544\uc6c3 \uc2dc\uac04(\uc811\uc810\uc774 \uac1c\ubc29\ub420 \ub54c\uae4c\uc9c0\uc758 \ubb34\uc811\uc810 \uc2dc\uac04)<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0\ub3d9\uc791 \uc2dc\uac04 (\uc0c1\uc2dc\uac1c\ubc29 \uc811\uc810\uc774 \ub2eb\ud788\uae30\uae4c\uc9c0)<\/td>\n\u00a020ms<\/td>\n<\/tr>\n
\u00a0\uc811\ucd09 \uc5f0\uacb0\uc758 \ucd5c\ub300 \ubc14\uc6b4\uc2a4 \uc2dc\uac04<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0\uc811\uc810 \uac1c\ubc29 \uc2dc \ucd5c\ub300 \ubc14\uc6b4\uc2a4 \uc2dc\uac04<\/td>\n\u00a03ms<\/td>\n<\/tr>\n
\u00a0\uc808\uc5f0 \uc800\ud56d<\/td>\n\u00a020M\u03a9<\/td>\n<\/tr>\n
\u00a0\uc800\ud56d\ud558\ub294 \uc804\uae30\uc801 \uac15\ub3c4<\/td>\n\u00a050Hz\/60Hz 1000VAC 1\ubd84<\/td>\n<\/tr>\n
\u00a0\ucc28\ub2e8 \uac00\ub2a5\ud55c \uc77c\ubc18\uc801\uc778 \uace0\uc7a5 \uc804\ub958<\/td>\n\u00a048V\/DC\uc5d0\uc11c 1000A\/5ms<\/td>\n<\/tr>\n
\u00a0\ucf54\uc77c \uc804\ub825 (W)<\/td>\n\u00a07-15<\/td>\n<\/tr>\n
\u00a0\ucf54\uc77c\uc758 \uc628\ub3c4 \uc0c1\uc2b9 (K)<\/td>\n\u00a0\u226480<\/td>\n<\/tr>\n
\u00a0\uc778\ucd9c \ub2e8\uc790 \uc628\ub3c4 \uc0c1\uc2b9 (K)<\/td>\n\u00a0\u226465<\/td>\n<\/tr>\n
\u00a0\uc804\uae30\uc801 \uc0b6<\/td>\n\u00a02\ub9cc \ubc88<\/td>\n<\/tr>\n
\u00a0\uae30\uacc4 \uc0dd\uba85\uccb4<\/td>\n\u00a030\ub9cc \ubc88<\/td>\n<\/tr>\n
\u00a0\uc791\uc5c5 \uc0ac\uc591\uc11c<\/td>\n\u00a0\uc5f0\uc18d\uc801\uc778<\/td>\n<\/tr>\n
\u00a0\uc811\ucd09 \uc7ac\uc9c8<\/td>\n\u00a0\uc740 \ud569\uae08<\/td>\n<\/tr>\n
\u00a0\ud130\ubbf8\ub110 \uc720\ud615 \ub85c\ub4dc<\/td>\n\u00a0M8 Screw<\/td>\n<\/tr>\n
\u00a0\ucf54\uc77c \ub2e8\uc790 \ud0c0\uc785<\/td>\n\u00a0M4 \ub098\uc0ac<\/td>\n<\/tr>\n
\u00a0\ubcf4\uc870 \uc811\uc810 \uc815\uaca9 \ubd80\ud558 (\uc120\ud0dd \uc0ac\ud56d)<\/td>\n\u00a02A\/48VDC, 5A\/24VDC\uff0c1NO 1NC<\/td>\n<\/tr>\n
\u00a0\uc2dc\ud5d8 \uae30\uad00 \uc778\uc99d<\/td>\n\u00a0CE,FCC,RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n

\uace0\uac1d\uc758 \ub2e4\uc591\ud55c \uc0ac\uc6a9 \ud658\uacbd\uc5d0 \ub530\ub77c \uae30\ub2a5\uc801 \uc911\uc810\uc774 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc73c\uba70, \uc81c\ud488\uc758 \uc885\ud569\uc801\uc778 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uc0ac\uc724(sayoon)\uc740 \ucf54\uc77c \ud30c\ub77c\ubbf8\ud130, \uc628\ub3c4 \uc0c1\uc2b9 \ub4f1\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\uae30 \ud30c\ub77c\ubbf8\ud130\ub294 \ucc38\uace0\uc6a9\uc774\uba70, \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 SAYOON \uc9c1\ub958 \uc811\ucd09\uae30\uc120\ud0dd \ubc0f \uc0ac\uc6a9 \uc9c0\uce68\uc744 \ucc38\uc870\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<\/div>\n

\ubd80\ud558 \ud2b9\uc131 \uace1\uc120<\/strong><\/h2>\n
    \n
  • \"fzsm-200-20k\"<\/li>\n
  • \"fzsj-200-1000\"<\/li>\n<\/ul>\n

    \uc124\uce58\ub3c4<\/strong><\/h2>\n
    \"szj200a-d\"\"szj200a-d_1\"\"szj200a-d-s\"<\/div>\n

    \ubc30\uc120\ub3c4<\/strong><\/h2>\n
    \"czw-01_e\"<\/div>\n

    \uc628\ub3c4 \uace1\uc120<\/strong><\/h2>\n
    \"xqws-szj100a-d\"<\/div>\n

    \uae30\uacc4\uc801 \ub2a5\ub825\uacfc \ud658\uacbd\uc758 \uc774\uc6a9<\/strong><\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n
    \u00a0Contact lead M8 tightening torque (N.m)<\/td>\n\u00a09.0 \ucd08\uacfc\uac00 \uc801\uc808\ud568<\/td>\n<\/tr>\n
    \u00a0\ucf54\uc77c \ub9ac\ub4dc M4 \uc870\uc784 \ud1a0\ud06c (N.m)<\/td>\n\u00a0\u226f1.2 \uc801\uc808\ud568<\/td>\n<\/tr>\n
    \u00a0\uc8fc\uc704 \uc628\ub3c4<\/td>\n\u00a0-25~+70\u2103<\/td>\n<\/tr>\n
    \u00a0\uc0c1\ub300\uc2b5\ub3c4<\/td>\n\u00a0+20\u2103 98%<\/td>\n<\/tr>\n
    \u00a0\uace0\uc815 \uc704\uce58\uc5d0\uc11c\uc758 \uc9c4\ub3d9 \uc8fc\ud30c\uc218<\/td>\n\u00a03G, 1~50Hz \uc9c4\ud3ed 0.5mm<\/td>\n<\/tr>\n
    \u00a0\ub1cc\uc9c4\ud0d5<\/td>\n\u00a0(60~100)\ud68c\/\ubd84, \uac00\uc18d\ub3c4\u22644g<\/td>\n<\/tr>\n
    \u00a0\uace0\ub3c4<\/td>\n\u00a02000m<\/td>\n<\/tr>\n
    \u00a0\uc124\uce58 \ubc29\ud5a5<\/td>\n\u00a0\ubb34\uc791\uc704<\/td>\n<\/tr>\n
    \u00a0\uad6d\uc81c \ubcf4\ud638<\/td>\n\u00a0IP40 (IEC60947 \uae30\uc900)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    \uc8fc\ubb38 \uc548\ub0b4<\/strong><\/h2>\n
    \n
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    \n

    \u00a0\uc0ac\uc694\uc628 \uc81c\ud488 \uc720\ud615<\/b><\/p>\n<\/td>\n

    		\n

    \u00a0SZJB300A-D<\/b><\/p>\n<\/td>\n<\/tr>\n

    \u00a0U.N.W.<\/td>\n\u00a0530g<\/td>\n<\/tr>\n
    \u00a0\ud3ec\uc7a5 \uc218\ub7c9.<\/td>\n\u00a050PCS<\/td>\n<\/tr>\n
    \u00a0\ub9c8\uc6b4\ud305 \ube0c\ub798\ud0b7 \ud615\uc2dd<\/td>\n\u00a0None – M Horizontal(default), E Level Embedded, X Oblique, L (N) Vertical, E1 Level embedded single direction<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

     <\/p>\n

    When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: DC Contactor SZJB300A-D\/24V 100pcs, indicating the load rated current 300A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Discover the SZJB300A-D Normally Closed DC Contactor perfect for reliable switching and control in various applications. Ideal for your automation needs!<\/p>","protected":false},"featured_media":1604,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":["post-1603","product","type-product","status-publish","has-post-thumbnail","product_cat-szj-series-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product\/1603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/media\/1604"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/media?parent=1603"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_brand?post=1603"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_cat?post=1603"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_tag?post=1603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}