{"id":1614,"date":"2026-05-08T11:54:11","date_gmt":"2026-05-08T03:54:11","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&p=1614"},"modified":"2026-07-17T10:48:20","modified_gmt":"2026-07-17T02:48:20","slug":"szj400a-normally-open-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/ar\/product\/szj400a-normally-open-dc-contactor\/","title":{"rendered":"\u0645\u0641\u062a\u0627\u062d \u062a\u0644\u0627\u0645\u0633 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u0639\u0627\u062f\u064a \u0627\u0644\u0645\u0641\u062a\u0648\u062d SZJ400A"},"content":{"rendered":"

FEATURES<\/span><\/strong><\/h2>\n
<\/div>\n
The applications of normally open DC contactors are very wide-ranging. From motor start and stop control to automation equipment power management, the device is an integral part of numerous electrical systems. It is also widely used in renewable energy applications, such as controlling solar and wind energy systems, where efficient power management is essential. In addition, contactors have a place in traffic lights and other control systems, demonstrating their versatility and adaptability in different fields.<\/div>\n

\u062a\u062f\u0627\u0639\u064a\u0627\u062a \u0646\u0645\u0648\u0630\u062c \u0633\u0627\u064a\u0648\u0646<\/strong><\/h2>\n
\n
\n\n\n\n\n
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SZJ<\/p>\n<\/td>\n

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400A<\/p>\n<\/td>\n

\n

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

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

\n

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

\n

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

\n

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

\n

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

\n

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<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\n
\n\n\n\n\n\n\n\n\n
\n

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

\u0646\u0648\u0639 \u0627\u0644\u0645\u0646\u062a\u062c<\/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

\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646<\/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

Auxiliary switch: None<\/b>-Without auxiliary switch;\u00a0S<\/b>-With auxiliary switch<\/td>\n<\/td>\n<\/tr>\n
\n

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

Mounting bracket type:<\/b>\u00a0\u0644\u0627 \u0634\u064a\u0621<\/b>-M Horizontal (default);\u00a0E<\/b>-Level embedded;\u00a0L(N)<\/b>-Vertical;\u00a0E1<\/b>-Level embedded single direction;\u00a0E2<\/b>-Level embedded single direction<\/td>\n<\/tr>\n
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5<\/p>\n<\/td>\n

Other function codes<\/b><\/td>\n<\/tr>\n
\n

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

Coil rated voltage:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Uses<\/strong><\/h2>\n
This product have one normally open 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 2.46)<\/strong><\/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\n
\n

\u00a0\u0646\u0648\u0639 \u0645\u0646\u062a\u062c \u0633\u0627\u064a\u0648\u0646<\/b><\/p>\n<\/td>\n

\n

\u00a0SZJ400A<\/b><\/p>\n<\/td>\n<\/tr>\n

\u00a0\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/td>\n\u00a01 \u0644\u0627<\/td>\n<\/tr>\n
\u00a0Coil Rated voltage (DC V)<\/td>\n\u00a06V,12V,24V,36V,48V,60V,72V,84V,120V,150V etc.<\/td>\n<\/tr>\n
\u00a0Contact voltage (DC V)<\/td>\n\u00a0\u226460 \u0641\u0648\u0644\u062a<\/td>\n<\/tr>\n
\u00a0Rated load current of contact 48V circuit (A)<\/td>\n\u00a0400A<\/td>\n<\/tr>\n
\u00a0\u0647\u0628\u0648\u0637 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a \u0639\u0628\u0631 \u0646\u0642\u0627\u0637 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0644\u0643\u0644 100 \u0623\u0645\u0628\u064a\u0631<\/td>\n\u00a0\u226f80mV<\/td>\n<\/tr>\n
\u00a0The cooling pull-in voltage at (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226f70%<\/td>\n<\/tr>\n
\u00a0The cooling drop-out voltage at (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226f40%,\u226e5%<\/td>\n<\/tr>\n
\u00a0Working voltage range of 40\u2103 coil<\/td>\n\u00a00.8-1.2Us<\/td>\n<\/tr>\n
\u00a0Drop-out time (n\/o contacts to open)<\/td>\n\u00a025ms<\/td>\n<\/tr>\n
\u00a0Pull-in time (n\/o contacts to close)<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0Maximum bounce time for contact connection<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0Maximum bounce time for contact disconnection<\/td>\n\u00a03ms<\/td>\n<\/tr>\n
\u00a0Insulation resistance<\/td>\n\u00a0\u0662\u0660 \u0645\u064a\u063a\u0627\u0648\u0648\u0645<\/td>\n<\/tr>\n
\u00a0\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0644\u0645\u0642\u0627\u0648\u0645\u0629<\/td>\n\u00a050 \u0647\u0631\u062a\u0632\/60 \u0647\u0631\u062a\u0632 1000 \u0641\u0648\u0644\u062a \u0645\u062a\u0631\u062f\u062f 1 \u062f\u0642\u064a\u0642\u0629<\/td>\n<\/tr>\n
\u00a0\u062a\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646 \u0642\u0637\u0639\u0647\u0627<\/td>\n\u00a01500A\/5ms at 48V DC<\/td>\n<\/tr>\n
\u00a0Coil power (W)<\/td>\n\u00a0Start: 120-170, Keep: 5-11<\/td>\n<\/tr>\n
\u00a0Temperature rise of coil (K)<\/td>\n\u00a0\u226445<\/td>\n<\/tr>\n
\u00a0Temperature rise on outgoing terminal (K)<\/td>\n\u00a0\u226465<\/td>\n<\/tr>\n
\u00a0Electrical life<\/td>\n\u00a0\u0662\u0660,\u0660\u0660\u0660 \u0645\u0631\u0629<\/td>\n<\/tr>\n
\u00a0\u062d\u064a\u0627\u0629 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/td>\n\u00a0300,000 times<\/td>\n<\/tr>\n
\u00a0\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0639\u0645\u0644<\/td>\n\u00a0\u0645\u0633\u062a\u0645\u0631<\/td>\n<\/tr>\n
\u00a0Contact material<\/td>\n\u00a0Ag alloy<\/td>\n<\/tr>\n
\u00a0Load terminal type<\/td>\n\u00a0M10 Screw<\/td>\n<\/tr>\n
\u00a0Coil terminal type<\/td>\n\u00a0M4 Screw<\/td>\n<\/tr>\n
\u00a0\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0642\u062f\u0631 \u0644\u062c\u0647\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 (\u0627\u062e\u062a\u064a\u0627\u0631\u064a)<\/td>\n\u00a02 \u0623\u0645\u0628\u064a\u0631 \/ 48 \u0641\u0648\u0644\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631\u060c 5 \u0623\u0645\u0628\u064a\u0631 \/ 24 \u0641\u0648\u0644\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631<\/td>\n<\/tr>\n
\u00a0Testing organization certification<\/td>\n\u00a0CCC,CE,FCC,RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n

Note:As regarding to the different using environments of customers which requires different focus of the functions,and in order to improve the comprehensive properties of our products,sayoon may adjust the coil parameters,temperature rise and so on. The above parameters are for reference only, For details, please refer to the guidelines for selection and use of the SAYOON DC contactor.<\/p>\n<\/div>\n

Load Characteristic Curve<\/strong><\/h2>\n
    \n
  • \"HEV400<\/li>\n
  • \"HEV400<\/li>\n<\/ul>\n

    Installation Diagram<\/strong><\/h2>\n
    \"szj400a\"\"szj400a-s\"\"szj400a-e2\"<\/div>\n

    Wiring Diagram<\/strong><\/h2>\n
    \"szj-10_e\"<\/div>\n

    Temperature Curve<\/strong><\/h2>\n
    \"xqws-szj200a\"<\/div>\n

    Mechanical Ability And Use Of The Environment<\/strong><\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n
    \u00a0\u0639\u0632\u0645 \u0631\u0628\u0637 \u0645\u0633\u0645\u0627\u0631 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 M10 (\u0646\u064a\u0648\u062a\u0646.\u0645\u062a\u0631)<\/td>\n\u00a0\u226f20.5 appropriate<\/td>\n<\/tr>\n
    \u00a0Coil lead M4 tightening torque (N.m)<\/td>\n\u00a0\u226f1.2 appropriate<\/td>\n<\/tr>\n
    \u00a0\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629<\/td>\n\u00a0-\u0662\u0665~+\u0667\u0660 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n
    \u00a0\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0646\u0633\u0628\u064a\u0629<\/td>\n\u00a0+20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 98%<\/td>\n<\/tr>\n
    \u00a0\u062a\u0631\u062f\u062f \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0639\u0646\u062f \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u062b\u0627\u0628\u062a<\/td>\n\u00a03G\u060c \u0627\u0644\u0633\u0639\u0629 1 ~ 50 \u0647\u0631\u062a\u0632 0.5 \u0645\u0645<\/td>\n<\/tr>\n
    \u00a0\u0627\u0631\u062a\u062c\u0627\u062c \u0627\u0644\u0645\u062e<\/td>\n\u00a0(\u0666\u0660 \u0625\u0644\u0649 \u0661\u0660\u0660) \u0645\u0631\u0629\/\u062f\u0642\u064a\u0642\u0629\u060c \u0627\u0644\u062a\u0633\u0627\u0631\u0639 \u2264 4g<\/td>\n<\/tr>\n
    \u00a0\u0627\u0631\u062a\u0641\u0627\u0639<\/td>\n\u00a0\u0662\u0660\u0660\u0660 \u0645\u062a\u0631<\/td>\n<\/tr>\n
    \u00a0\u0625\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/td>\n\u00a0\u0639\u0634\u0648\u0627\u0626\u064a<\/td>\n<\/tr>\n
    \u00a0\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629<\/td>\n\u00a0IP40 (According IEC60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Order Instruction<\/strong><\/h2>\n
    \n
    \n\n\n\n\n\n\n\n
    \n

    \u00a0\u0646\u0648\u0639 \u0645\u0646\u062a\u062c \u0633\u0627\u064a\u0648\u0646<\/b><\/p>\n<\/td>\n

    		\n

    \u00a0SZJ400A<\/b><\/p>\n<\/td>\n<\/tr>\n

    \u00a0\u0623.\u0646.\u0648.<\/td>\n\u00a0883g<\/td>\n<\/tr>\n
    \u00a0\u064a\u0648 \u062c\u064a \u062f\u0627\u0628\u0644\u064a\u0648.<\/td>\n\u00a0959g<\/td>\n<\/tr>\n
    \u00a0\u0643\u0645\u064a\u0629 \u0627\u0644\u062d\u0632\u0645\u0629.<\/td>\n\u00a020PCS<\/td>\n<\/tr>\n
    \u00a0Mounting bracket type<\/td>\n\u00a0None – M Horizontal (default), E Level Embedded, L (N) Vertical, E1 Level embedded single direction, E2 Level Embedded<\/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 SZJ400A\/24V 100pcs, indicating the load rated current 400A, 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 SZJ400A Normally Open DC Contactor for reliable performance in various applications. Perfect for your electrical needs. Buy now for optimal efficiency!<\/p>","protected":false},"featured_media":1615,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":["post-1614","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\/ar\/wp-json\/wp\/v2\/product\/1614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/media\/1615"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/media?parent=1614"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1614"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1614"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}