{"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\/de\/product\/szjb300a-d-normally-closed-dc-contactor\/","title":{"rendered":"SZJB300A-D Sch\u00fctz, stromlos geschlossen, Gleichstrom"},"content":{"rendered":"

EIGENSCHAFTEN<\/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

SAYOON-MODELL-IMPLIKATION<\/strong><\/h2>\n
\n
\n\n\n\n\n
\n

SZJB<\/p>\n<\/td>\n

\n

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

\n

-D<\/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

\n

7<\/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
\n

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

Produkttyp<\/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

Bemessungsstrom<\/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

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

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

Hilfsschalter: Keiner<\/b>- Ohne Hilfsschalter;\u00a0S<\/b>- Mit Hilfsschalter<\/td>\n<\/tr>\n
\n

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

Mounting bracket type:<\/b>\u00a0Keine<\/b>-M Horizontal (Standard);\u00a0E<\/b>-Ebene eingebettet;\u00a0X<\/b>-Oblique;\u00a0L(N)<\/b>- Vertikal;\u00a0E1<\/b>-Level eingebettete Einzelrichtung<\/td>\n<\/tr>\n
\n

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

Andere Funktionscodes<\/b><\/td>\n<\/tr>\n
\n

7<\/p>\n<\/td>\n

Spulennennspannung:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V usw.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Verwendet<\/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
\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

\u00a0SAYOON Produkttyp<\/b><\/p>\n<\/td>\n

\n

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

\u00a0Kontaktformular<\/td>\n\u00a01 NC<\/td>\n<\/tr>\n
\u00a0Spulennennspannung (DC V)<\/td>\n\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 84V, 120V, 150V, 220V usw.<\/td>\n<\/tr>\n
\u00a0Ber\u00fchrungsspannung (DC V)<\/td>\n\u00a0\u2264 60 V<\/td>\n<\/tr>\n
\u00a0Nennbetriebsstrom des Kontakts 48V-Stromkreis (DC-1)<\/td>\n\u00a0300A<\/td>\n<\/tr>\n
\u00a0Typischer Spannungsabfall \u00fcber Kontakte pro 100 A<\/td>\n\u00a0>80 mV<\/td>\n<\/tr>\n
\u00a0Die Abfallspannung bei (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226f70%<\/td>\n<\/tr>\n
\u00a0Abfallspannung bei (20\u00b15) \u2103 (V)<\/td>\n\u00a0\u226f35%,\u226e5%<\/td>\n<\/tr>\n
\u00a0Arbeitsspannungsbereich der 40\u2103-Spule<\/td>\n\u00a00,8-1,2 \u00b5s<\/td>\n<\/tr>\n
\u00a0Abfallzeit (\u00d6ffnen der Schlie\u00dferkontakte)<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0Anzugszeit (Schlie\u00dfer)<\/td>\n\u00a020 ms<\/td>\n<\/tr>\n
\u00a0Maximale Prellzeit f\u00fcr den Kontaktschluss<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0Maximale Prellzeit f\u00fcr Kontaktunterbrechung<\/td>\n\u00a03 ms<\/td>\n<\/tr>\n
\u00a0Isolationswiderstand<\/td>\n\u00a020 M\u03a9<\/td>\n<\/tr>\n
\u00a0Elektrische Durchschlagsfestigkeit<\/td>\n\u00a050 Hz \/ 60 Hz 1000 VAC 1 Minute<\/td>\n<\/tr>\n
\u00a0Typische Fehlerstr\u00f6me, die abgeschaltet werden k\u00f6nnen<\/td>\n\u00a01000A\/5ms bei 48V\/DC<\/td>\n<\/tr>\n
\u00a0Spulenleistung (W)<\/td>\n\u00a07-15<\/td>\n<\/tr>\n
\u00a0Erw\u00e4rmung der Spule (K)<\/td>\n\u00a0\u226480<\/td>\n<\/tr>\n
\u00a0Temperaturerh\u00f6hung an der Abgangsklemme (K)<\/td>\n\u00a0\u226465<\/td>\n<\/tr>\n
\u00a0Elektrisches Leben<\/td>\n\u00a020.000-mal<\/td>\n<\/tr>\n
\u00a0Mechanisches Leben<\/td>\n\u00a0300.000 Mal<\/td>\n<\/tr>\n
\u00a0Arbeitsanweisung<\/td>\n\u00a0Kontinuierlich<\/td>\n<\/tr>\n
\u00a0Kontaktmaterial<\/td>\n\u00a0Ag-Legierung<\/td>\n<\/tr>\n
\u00a0Lastentyp<\/td>\n\u00a0M8 Schraube<\/td>\n<\/tr>\n
\u00a0Spulenanschlussart<\/td>\n\u00a0M4-Schraube<\/td>\n<\/tr>\n
\u00a0Nennlast des Hilfskontakts (optional)<\/td>\n\u00a02A\/48VDC, 5A\/24VDC, 1S 1\u00d6<\/td>\n<\/tr>\n
\u00a0Zertifizierung von Pr\u00fcfungsorganisationen<\/td>\n\u00a0CE, FCC, RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n

Hinweis: Im Hinblick auf die unterschiedlichen Einsatzumgebungen der Kunden, die unterschiedliche Funktionsschwerpunkte erfordern, und um die umfassenden Eigenschaften unserer Produkte zu verbessern, kann Sayoon die Spulenparameter, den Temperaturanstieg und so weiter anpassen. Die obigen Parameter dienen nur als Referenz. F\u00fcr Details beziehen Sie sich bitte auf die Richtlinien zur Auswahl und Verwendung des SAYOON-Gleichstromsch\u00fctzes.<\/p>\n<\/div>\n

Belastungskennlinie<\/strong><\/h2>\n
    \n
  • \"fzsm-200-20k\"<\/li>\n
  • \"fzsj-200-1000\"<\/li>\n<\/ul>\n

    Installationsdiagramm<\/strong><\/h2>\n
    \"szj200a-d\"\"szj200a-d_1\"\"szj200a-d-s\"<\/div>\n

    Schaltplan<\/strong><\/h2>\n
    \"czw-01_e\"<\/div>\n

    Temperaturkurve<\/strong><\/h2>\n
    \"xqws-szj100a-d\"<\/div>\n

    Mechanische F\u00e4higkeiten und Nutzung der Umwelt<\/strong><\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n
    \u00a0Kontaktpunkt f\u00fcr die M8-Anschraubkraft (N.m)<\/td>\n\u00a0\u226f9.0 angemessen<\/td>\n<\/tr>\n
    \u00a0Anzugsdrehmoment Spulenanschluss M4 (Nm)<\/td>\n\u00a0\u226f1.2 angemessen<\/td>\n<\/tr>\n
    \u00a0Umgebungstemperatur<\/td>\n\u00a0-25 bis +70 \u00b0C<\/td>\n<\/tr>\n
    \u00a0Relative Luftfeuchtigkeit<\/td>\n\u00a0+20 \u00b0C 98%<\/td>\n<\/tr>\n
    \u00a0Schwingungsfrequenz an der festen Position<\/td>\n\u00a03G, 1\u201350 Hz Amplitude 0,5 mm<\/td>\n<\/tr>\n
    \u00a0Gehirnersch\u00fctterung<\/td>\n\u00a0(60\u2013100) Mal\/Minute, Beschleunigung \u2264 4g<\/td>\n<\/tr>\n
    \u00a0H\u00f6he<\/td>\n\u00a02000m<\/td>\n<\/tr>\n
    \u00a0Einbauanleitung<\/td>\n\u00a0Zuf\u00e4llig<\/td>\n<\/tr>\n
    \u00a0Internationale Schutzma\u00dfnahmen<\/td>\n\u00a0IP40 (gem\u00e4\u00df IEC 60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Bestellungsanweisung<\/strong><\/h2>\n
    \n
    \n\n\n\n\n\n\n
    \n

    \u00a0SAYOON Produkttyp<\/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
    \u00a0Paketmenge.<\/td>\n\u00a050PCS<\/td>\n<\/tr>\n
    \u00a0Befestigungswinkeltyp<\/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\/de\/wp-json\/wp\/v2\/product\/1603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/media\/1604"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/media?parent=1603"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product_brand?post=1603"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product_cat?post=1603"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product_tag?post=1603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}