{"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\/es\/product\/mzj-300b-normally-closed-dc-contactor\/","title":{"rendered":"Contactor de CC normalmente cerrado MZJ-300B"},"content":{"rendered":"

CARACTER\u00cdSTICAS<\/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

IMPLICACI\u00d3N DEL MODELO SAYOON<\/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
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1<\/p>\n<\/td>\n

Tipo de producto<\/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

Corriente nominal<\/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

Interruptor auxiliar: Ninguno<\/strong>-Sin interruptor auxiliar; S<\/strong>-Con interruptor auxiliar<\/td>\n<\/tr>\n
\n

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

Tipo de soporte de montaje: Ninguno<\/strong>-M Horizontal (predeterminado); E<\/strong>-Nivel incrustado; X<\/strong>-Oblicuo; L(N)<\/strong>-Vertical; E1<\/strong>-Nivel integrado unidireccional<\/td>\n<\/tr>\n
\n

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

Otros c\u00f3digos de funci\u00f3n<\/strong><\/td>\n<\/tr>\n
\n

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

Tensi\u00f3n nominal de la bobina:<\/strong> 12V, 24V, 36V, 48V, 60V, 72V, etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

USOS<\/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

PAR\u00c1METROS T\u00c9CNICOS:<\/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

\u00a0Tipo de producto SAYOON<\/strong><\/p>\n<\/td>\n

\n

MZJ-300B<\/p>\n<\/td>\n<\/tr>\n

\u00a0Formulario de contacto<\/td>\n\u00a01 NC<\/td>\n<\/tr>\n
\u00a0Tensi\u00f3n nominal de la bobina (CC V)<\/td>\n\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 84V, 120V, 150V, 220V, etc.<\/td>\n<\/tr>\n
\u00a0Tensi\u00f3n de contacto (CC V)<\/td>\n\u00a0\u226460V<\/td>\n<\/tr>\n
\u00a0Corriente de carga nominal del circuito de contacto de 48V (DC-1)<\/td>\n\u00a0300A<\/td>\n<\/tr>\n
\u00a0Ca\u00edda de tensi\u00f3n t\u00edpica en los contactos por cada 100A<\/td>\n\u00a0\u226480mV<\/td>\n<\/tr>\n
\u00a0El voltaje de activaci\u00f3n de enfriamiento a (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226470%<\/td>\n<\/tr>\n
\u00a0Voltaje de ca\u00edda de refrigeraci\u00f3n a (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226435%, \u22655%<\/td>\n<\/tr>\n
\u00a0Rango de voltaje de trabajo de la bobina a 40 \u2103<\/td>\n\u00a00,8-1,2 us<\/td>\n<\/tr>\n
\u00a0Tiempo de desconexi\u00f3n (contactos normalmente abiertos)<\/td>\n\u00a010 ms<\/td>\n<\/tr>\n
\u00a0Tiempo de actuaci\u00f3n (contactos n.a. al cierre)<\/td>\n\u00a020ms<\/td>\n<\/tr>\n
\u00a0Tiempo m\u00e1ximo de rebote para conexi\u00f3n de contactos<\/td>\n\u00a010 ms<\/td>\n<\/tr>\n
\u00a0Tiempo m\u00e1ximo de rebote para la desconexi\u00f3n de contactos<\/td>\n\u00a03 ms<\/td>\n<\/tr>\n
\u00a0Resistencia de aislamiento<\/td>\n\u00a020 M\u03a9<\/td>\n<\/tr>\n
\u00a0Resistencia diel\u00e9ctrica para resistir<\/td>\n\u00a050Hz\/60Hz 1000VAC 1 minuto<\/td>\n<\/tr>\n
\u00a0Corrientes de falta t\u00edpicas que se pueden interrumpir<\/td>\n\u00a01000A\/5ms a 48V\/CC<\/td>\n<\/tr>\n
\u00a0Potencia de la bobina (W)<\/td>\n\u00a07-15<\/td>\n<\/tr>\n
\u00a0Aumento de temperatura de la bobina (K)<\/td>\n\u00a0\u226480<\/td>\n<\/tr>\n
\u00a0Aumento de temperatura en el terminal de salida (K)<\/td>\n\u00a0\u226465<\/td>\n<\/tr>\n
\u00a0Vida el\u00e9ctrica<\/td>\n\u00a020 000 veces<\/td>\n<\/tr>\n
\u00a0Vida \u00fatil mec\u00e1nica<\/td>\n\u00a0300 000 veces<\/td>\n<\/tr>\n
\u00a0Pliego de condiciones<\/td>\n\u00a0Continuo<\/td>\n<\/tr>\n
\u00a0Material de contacto<\/td>\n\u00a0Aleaci\u00f3n de plata<\/td>\n<\/tr>\n
\u00a0Tipo de terminal de carga<\/td>\n\u00a0Tornillo M8<\/td>\n<\/tr>\n
\u00a0Tipo de terminal de bobina<\/td>\n\u00a0Tornillo M4<\/td>\n<\/tr>\n
\u00a0Carga nominal del contacto auxiliar (opcional)<\/td>\n\u00a02A\/48VDC, 5A\/24VDC\uff0c1NO 1NC<\/td>\n<\/tr>\n
\u00a0Certificaci\u00f3n de organizaci\u00f3n de pruebas<\/td>\n\u00a0CE,FCC,RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nota: Teniendo en cuenta los diferentes entornos de uso de los clientes, que requieren un enfoque espec\u00edfico de las funciones, y con el fin de mejorar las propiedades generales de nuestros productos, SAYOON puede ajustar los par\u00e1metros de la bobina, el aumento de temperatura, etc. Los par\u00e1metros anteriores son meramente orientativos. Para obtener m\u00e1s detalles, consulte las directrices de selecci\u00f3n y uso del contactor de CC de SAYOON.<\/p>\n

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

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 <\/p>\n

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

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

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

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MECHANICAL ABILITY and USE of the ENVIRONMENT:<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Par de apriete del terminal M8 (N.m)<\/td>\n\u00a0\u226f9,0 adecuado<\/td>\n<\/tr>\n
\u00a0Par de apriete del terminal de la bobina M4 (N\u00b7m)<\/td>\n\u00a0\u226f1.2 apropiado<\/td>\n<\/tr>\n
\u00a0Temperatura ambiente<\/td>\n\u00a0-25~+70\u2103<\/td>\n<\/tr>\n
\u00a0Humedad relativa<\/td>\n\u00a0+20 \u2103 98%<\/td>\n<\/tr>\n
\u00a0Frecuencia de vibraci\u00f3n en la posici\u00f3n fija<\/td>\n\u00a03G, 1\u201350 Hz, amplitud de 0.5 mm<\/td>\n<\/tr>\n
\u00a0Choque<\/td>\n\u00a0(60\uff5e100) veces\/minuto, aceleraci\u00f3n \u2264 4g<\/td>\n<\/tr>\n
\u00a0Altitud<\/td>\n\u00a02000m<\/td>\n<\/tr>\n
\u00a0Instrucciones de instalaci\u00f3n<\/td>\n\u00a0Aleatorio<\/td>\n<\/tr>\n
\u00a0Protecci\u00f3n Internacional<\/td>\n\u00a0IP40 (Seg\u00fan IEC60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

\u00a0Tipo de producto SAYOON<\/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
\u00a0Cantidad de bultos.<\/td>\n\u00a050 unidades<\/td>\n<\/tr>\n
\u00a0DIM. (cm)<\/td>\n\u00a046.5*20.5*34.5<\/td>\n<\/tr>\n
\u00a0Tipo de soporte de montaje<\/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\/es\/wp-json\/wp\/v2\/product\/2295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media\/2291"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media?parent=2295"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_brand?post=2295"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_cat?post=2295"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_tag?post=2295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}