{"id":1454,"date":"2026-05-08T11:53:19","date_gmt":"2026-05-08T03:53:19","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&p=1454"},"modified":"2026-07-16T10:30:42","modified_gmt":"2026-07-16T02:30:42","slug":"qzjb50a-d-normally-closed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/de\/product\/qzjb50a-d-normally-closed-dc-contactor\/","title":{"rendered":"QZJB50A-D \u00d6ffner Gleichstromsch\u00fctz"},"content":{"rendered":"

EIGENSCHAFTEN<\/span><\/strong><\/h2>\n
<\/div>\n
Reliability is a major feature of normally closed DC contactors. These devices are designed to withstand frequent switching operations and are suitable for use in demanding industrial environments. Their long service life reduces the need for frequent replacement, which can be expensive and time-consuming. In industries where downtime can result in significant financial losses, the reliability of normally closed DC contactors is a critical factor in maintaining operational efficiency. Their rugged construction ensures they can withstand the rigors of daily use, giving operators and engineers alike peace of mind.<\/div>\n

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

QZJB<\/p>\n<\/td>\n

\n

50A<\/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

\u25a0<\/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

\n

8<\/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
\n

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

Produkttyp<\/b><\/b><\/td>\n\u00a0<\/b><\/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\u00a0<\/b><\/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: None<\/b>-Double coil structure;\u00a0D<\/b>-Single coil structure<\/b><\/td>\n<\/td>\n<\/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

Montagehalterungstyp: Keine<\/b>-M Horizontal (default)<\/td>\n<\/tr>\n
\n

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

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

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

Andere Sonderfunktionen: V-<\/b>Mit kapazitiver Last<\/td>\n<\/tr>\n
\n

8<\/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
Dieses Produkt verf\u00fcgt \u00fcber einen \u00d6ffnerkontakt (normalerweise geschlossenen Kontakt) f\u00fcr 5G-Schr\u00e4nke, Telekommunikationsger\u00e4te, Baumaschinen, Autobatterien, Elektrogabelstapler, Z\u00fcge, Schiffe und elektronische Steuerungssysteme wie unterbrechungsfreie Stromversorgungen.<\/div>\n

Technical Parameters:\u00a0 (Version 1.33)<\/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

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

\n

\u00a0QZJB50A-D<\/b><\/p>\n<\/td>\n<\/tr>\n

\u00a0Kontaktformular<\/td>\n\u00a01 NC<\/td>\n<\/tr>\n
\u00a0Spulennennspannung (DC V)<\/td>\n\u00a06 V, 12 V, 24 V, 36 V, 48 V, 60 V, 72 V, 96 V usw.<\/td>\n<\/tr>\n
\u00a0Ber\u00fchrungsspannung (DC V)<\/td>\n\u00a0\u2264150V<\/td>\n<\/tr>\n
\u00a0Nennlaststrom des Kontaktes 48V-Stromkreis (A)<\/td>\n\u00a050A<\/td>\n<\/tr>\n
\u00a0Nennlaststrom des Kontaktstromkreises<\/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\u226f50%,\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\u00a015 ms<\/td>\n<\/tr>\n
\u00a0Anzugszeit (Schlie\u00dfer)<\/td>\n\u00a05ms<\/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\u00a0600A\/5ms bei 48V DC<\/td>\n<\/tr>\n
\u00a0Spulenleistung (W)<\/td>\n\u00a05-9<\/td>\n<\/tr>\n
\u00a0Erw\u00e4rmung der Spule (K)<\/td>\n\u00a0\u226460<\/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\u00a0M5 Screw<\/td>\n<\/tr>\n
\u00a0Spulenanschlussart<\/td>\n\u00a0M3-Schraube<\/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-50-20k\"<\/li>\n
  • \"fzsj-50-500\"<\/li>\n<\/ul>\n

    Installationsdiagramm<\/strong><\/h2>\n
    \"qzj50a-d\"<\/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
    \u00a0Contact lead M5 tightening torque (N.m)<\/td>\n\u00a0\u226f2,5 geeignet<\/td>\n<\/tr>\n
    \u00a0Anzugsdrehmoment Spulenleitung M3 (Nm)<\/td>\n\u00a0\u226f0,8 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

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

    		\n

    \u00a0QZJB50A-D<\/b><\/p>\n<\/td>\n<\/tr>\n

    \u00a0Befestigungswinkeltyp<\/td>\n\u00a0M Horizontal (Standard)<\/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 QZJB50A-D\/24V 100pcs, indicating the load rated current 50A, 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 QZJB50A-D Normally Closed DC Contactor for reliable performance and safety. Perfect for your electrical projects. Shop now!<\/p>","protected":false},"featured_media":1455,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[55],"product_tag":[],"class_list":["post-1454","product","type-product","status-publish","has-post-thumbnail","product_cat-qzj-series-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product\/1454","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\/1455"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/media?parent=1454"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product_brand?post=1454"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product_cat?post=1454"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/de\/wp-json\/wp\/v2\/product_tag?post=1454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}