{"id":2295,"date":"2026-07-17T12:44:14","date_gmt":"2026-07-17T04:44:14","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&p=2295"},"modified":"2026-07-25T10:05:14","modified_gmt":"2026-07-25T02:05:14","slug":"mzj-300b-normally-closed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/ko\/product\/mzj-300b-normally-closed-dc-contactor\/","title":{"rendered":"MZJ-300B \uc0c1\uc2dc \ub2eb\ud798\ud615 \uc9c1\ub958 \uc811\ucd09\uae30"},"content":{"rendered":"

\uc8fc\uc694 \uae30\ub2a5<\/strong><\/h2>\n

Suitable for electric forklift, battery cars, tractors, excavators, brick machine, cleaning vehicles, automotive air-conditioning, communication power supply, uninterruptible power supply, and electroplating electronic control system control circuits. Advantages include compact size, large load capacity, long service life and easy maintenance. Products are designed with reference to JB2286-78, JB3974-85, YD\/585-92 and YD\/T512-92 requirements.<\/p>\n

\uc0ac\uc694\uc628 \ubaa8\ub378 \uc2dc\uc0ac\uc810<\/strong><\/h2>\n\n\n\n\n
MZJ<\/td>\n-300B<\/td>\n-S<\/td>\n-\u25a1<\/td>\n-\u25a1<\/td>\n\/\u25a1<\/td>\n<\/td>\n<\/tr>\n
1<\/td>\n2<\/td>\n3<\/td>\n4<\/td>\n5<\/td>\n6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n
\n

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
\n

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
\n

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

\ubcf4\uc870 \uc2a4\uc704\uce58: \uc5c6\uc74c<\/strong>-\ubcf4\uc870 \uc2a4\uc704\uce58 \uc5c6\uc74c; S<\/strong>\ubcf4\uc870 \uc2a4\uc704\uce58 \ud3ec\ud568<\/td>\n<\/tr>\n
\n

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

\ub9c8\uc6b4\ud305 \ube0c\ub798\ud0b7 \uc720\ud615: \uc5c6\uc74c<\/strong>-M \uc218\ud3c9 (\uae30\ubcf8\uac12); E<\/strong>-\ub808\ubca8 \ub0b4\uc7a5; X<\/strong>-Oblique; L(N)<\/strong>-\uc218\uc9c1; E1<\/strong>-\ub808\ubca8 \ub0b4\uc7a5 \ub2e8\ubc29\ud5a5<\/td>\n<\/tr>\n
\n

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

\uae30\ud0c0 \uae30\ub2a5 \ucf54\ub4dc<\/strong><\/td>\n<\/tr>\n
\n

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

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

\uc6a9\ub3c4<\/strong><\/h2>\n

This product has one normally closed contact (1 NC), for electric vehicles, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, and electronic control systems such as uninterruptible power supply.<\/p>\n

\uae30\uc220 \ub9e4\uac1c\ubcc0\uc218<\/strong>\u00a0\u00a0(Version 1.83)<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

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

\n

MZJ-300B<\/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\u00a0\u226480mV<\/td>\n<\/tr>\n
\u00a0(20\u00b15)\u2103\uc5d0\uc11c\uc758 \ubcf5\uadc0 \uc804\uc555 (V)<\/td>\n\u00a0\u226470%<\/td>\n<\/tr>\n
\u00a0(20\u00b15)\u2103\uc5d0\uc11c\uc758 \ubcf5\uadc0 \uc804\uc555 (V)<\/td>\n\u00a0\u226435%, \u22655%<\/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

\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

LOAD CHARACTERISTIC CURVE:<\/strong><\/h2>\n

\"\"<\/p>\n

 <\/p>\n

\"\"<\/p>\n

INSTALLATION DIAGRAM:<\/strong><\/h2>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

WIRING DIAGRAM:<\/strong><\/h2>\n

\"\"<\/p>\n

TEMPERATURE CURVE:<\/strong><\/h2>\n

\"\"<\/p>\n

MECHANICAL ABILITY and USE of the ENVIRONMENT:<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Contact 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\uc1fc\ud06c<\/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

ORDER INSTRUCTION:<\/strong><\/h2>\n\n\n\n\n\n\n\n\n
\n

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

\n

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

\u00a0U.N.W.<\/td>\n\u00a0530g<\/td>\n<\/tr>\n
\u00a0U.G.W.<\/td>\n\u00a0535g<\/td>\n<\/tr>\n
\u00a0\ud3ec\uc7a5 \uc218\ub7c9.<\/td>\n\u00a050pcs<\/td>\n<\/tr>\n
\u00a0\uce58\uc218(cm)<\/td>\n\u00a046.5*20.5*34.5<\/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

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>","protected":false},"excerpt":{"rendered":"

Looking for a MZJ-300B Normally Closed DC Contactor? Find reliable and high-quality products for purchase here.<\/p>","protected":false},"featured_media":2291,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[60],"product_tag":[],"class_list":["post-2295","product","type-product","status-publish","has-post-thumbnail","product_cat-mzj-series-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product\/2295","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\/2291"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/media?parent=2295"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_brand?post=2295"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_cat?post=2295"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_tag?post=2295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}