{"id":1650,"date":"2026-05-08T11:54:24","date_gmt":"2026-05-08T03:54:24","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&p=1650"},"modified":"2026-07-17T10:15:21","modified_gmt":"2026-07-17T02:15:21","slug":"szj1000a-normally-open-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/ar\/product\/szj1000a-normally-open-dc-contactor\/","title":{"rendered":"\u0643\u0648\u0646\u062a\u0627\u0643\u062a\u0648\u0631 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u0645\u0641\u062a\u0648\u062d \u0639\u0627\u062f\u0629 SZJ1000A"},"content":{"rendered":"

FEATURES<\/span><\/strong><\/h2>\n
<\/div>\n
\n
The application fields of normally open DC contactors are very wide, including the following aspects:<\/div>\n
<\/div>\n
\u00a01. Start and stop control of the motor<\/div>\n
\u00a02. Power management of automation equipment<\/div>\n
\u00a03. Control of solar and wind energy systems<\/div>\n
\u00a04. Traffic lights and other control systems<\/div>\n
<\/div>\n
\u00a0Normally open DC contactors play an important role in modern industrial and commercial environments. In motor control, it can accurately manage the flow of current, ensure the smoothness of the motor when starting and stopping, and reduce mechanical wear and failure risks. In automation equipment, the contactor’s efficient power management function can optimize the operating efficiency of the equipment and reduce energy consumption.<\/div>\n
<\/div>\n
\u00a0In the field of renewable energy, the application of normally open DC contactors is also indispensable. In solar power generation and wind power generation systems, they are responsible for controlling the flow of current to ensure efficient use of energy and safe operation of the system. In addition, the application of contactors in traffic lights and other control systems demonstrates their importance in public safety and traffic management.<\/div>\n<\/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
\n

SZJ<\/p>\n<\/td>\n

\n

1000A<\/p>\n<\/td>\n

\n

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

\n

-\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

\n

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

\n

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

\n

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

\n

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

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 1.45)<\/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

\u00a0SZJ1000A<\/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,220V 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 (DC-1)<\/td>\n\u00a01000A<\/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\u00a030ms<\/td>\n<\/tr>\n
\u00a0Pull-in time (n\/o contacts to close)<\/td>\n\u00a015ms<\/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\u00a03000A\/5ms at 48V DC<\/td>\n<\/tr>\n
\u00a0Coil power (W)<\/td>\n\u00a0Start: 140-190, Keep: 9-18<\/td>\n<\/tr>\n
\u00a0Temperature rise of coil (K)<\/td>\n\u00a0\u226450<\/td>\n<\/tr>\n
\u00a0Temperature rise on outgoing terminal (K)<\/td>\n\u00a0\u226465<\/td>\n<\/tr>\n
\u00a0Electrical life<\/td>\n\u00a010,000 \u0645\u0631\u0629<\/td>\n<\/tr>\n
\u00a0\u062d\u064a\u0627\u0629 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/td>\n\u00a0200,000 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\u00a02-M12 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\u00a0CE,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
  • \"fzsm-1000-10k\"<\/li>\n
  • \"fzsj-1000-3000\"<\/li>\n<\/ul>\n

    Installation Diagram<\/strong><\/h2>\n
    \"szj1000a\"<\/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
    \u00a0Contact lead M12 tightening torque (N.m)<\/td>\n\u00a0\u226f30.0 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

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

    		\n

    \u00a0SZJ1000A<\/b><\/p>\n<\/td>\n<\/tr>\n

    \u00a0\u0623.\u0646.\u0648.<\/td>\n\u00a02735g<\/td>\n<\/tr>\n
    \u00a0\u0643\u0645\u064a\u0629 \u0627\u0644\u062d\u0632\u0645\u0629.<\/td>\n\u00a04PCS<\/td>\n<\/tr>\n
    \u00a0Mounting bracket type<\/td>\n\u00a0None – M Horizontal (default), E 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 SZJ1000A\/24V 100pcs, indicating the load rated current 1000A, 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 SZJ1000A Normally Open DC Contactor for reliable performance in your electrical projects. Perfect for controlling DC loads efficiently. Get yours today!<\/p>","protected":false},"featured_media":1651,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":["post-1650","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\/1650","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\/1651"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/media?parent=1650"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1650"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1650"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}