Resumen

CARACTERÍSTICAS

1. DC high-voltage power supply: The product is filled with rare mixed gases and has excellent arc cooling capabilities to ensure safe operation in high-voltage environments.

2. Control load capability: Supports loads from 30A to 1000A, and the operating voltage range is 5-1000VDC, adapting to a variety of application needs.

3. Safety: Using an insulating structure, it can work safely in flammable or hazardous environments. The coils and contacts will not be oxidized or contaminated, ensuring the long-term stability of the equipment.

4. Small and lightweight: Compared with similar products, it is smaller, lighter, and consumes less power, making it easy to install and use.

This product complies with JB2286-78, JB3974-85, YD/585-92, YD/T512-92 and other standard requirements. It has been inspected by the factory and relevant testing units to ensure that it meets the standard specifications. Users can use it with confidence and meet the maximum satisfaction for a long time. User needs, reliable quality.

Application areas

– Electric vehicles

– Solar power generation system

– Energy storage system

– Industrial automation equipment

– Ships and rail transportation

The SEV250AH high-voltage epoxy resin sealed DC contactor is an ideal choice for your high-voltage applications. With its excellent performance and reliability, it helps your equipment operate efficiently and safely.

IMPLICACIÓN DEL MODELO SAYOON

SEV	250	A	H	X	L	-□	■	/12V
1	2	3	4	5	6	7	8	9

1	Tipo de producto
2	Corriente nominal
3	Circuit structure: A-Normally open; B-Normally closed; F-Normally open with one auxiliary switch (the auxiliary switch and main contact have the same structure); G-One normally closed with one auxiliary (auxiliary switch and main contact have the same structure). (for other auxiliary switch structures, add 2 or 3 numbers after the model to describe the auxiliary switch structure)
4	Coil type: D-Single coil; H-With coil economizer; K-Retención magnética de dos articulaciones (bobina simple, autoblocante de dos articulaciones); 2K-Three joint magnetic retention (Double coil, Three joint self-locking); P-Signal control
5	Coil outgoing mode: X-Wire (390mm); P-Spade terminals (4.8); W-Thread (M4); O-Other
6	Mounting bracket type: L-Vertical (default)
7	Ninguno: Auxiliary switch and main contact have the same structure (default); -2: The structure of auxiliary switch and main contact is opposite; -3: Special auxiliary switch structure
8	Other special functions: V-With capacitive type load; N-No polarity
9	Tensión nominal de la bobina: 12V, 24V, 48V, 9-36V, 48-72V etc.

USOS

The utility model has the advantages that the utility model is provided with one normally open contact, which is suitable for charging piles, electric four wheeled vehicles, new energy vehicles, energy saving and environmental protection systems, road traffic lighting systems, programmable power supply and uninterruptible power supply equipment.

TECHNICAL PARAMETERS: (Version 2.82)

Tipo de producto SAYOON	SEV250AH
Formulario de contacto	1 NO(SPST-NO) or 1NC(SPST-NC)
Tensión nominal de la bobina (CC V)	12-24V, 36-48V, 60-72V, 9-36V etc.
Tensión de contacto (CC V)	5-1000V
Contact circuit rated load current (DC-1)	250A
Caída de tensión típica en los contactos por cada 100A	>80 mV
El voltaje de activación de enfriamiento a (20±5)℃ (V)	≯70%
Voltaje de caída de refrigeración a (20±5)℃ (V)	≯35%,≮5%
Rango de voltaje de trabajo de la bobina de 40 °C	0,8-1,2 us
Tiempo de desconexión (contactos normalmente abiertos)	80ms
Tiempo de actuación (contactos n.a. al cierre)	20ms
Tiempo máximo de rebote para conexión de contactos	10 ms
Tiempo máximo de rebote para la desconexión de contactos	7ms
Resistencia de aislamiento	100MΩ
Resistencia dieléctrica para resistir	50Hz/60Hz 2200VAC 1minute
Corrientes de falta típicas que se pueden interrumpir	1000A/5ms at 48V DC
Potencia de la bobina (W)	H: Start 30-50, Keep 1.5-5
Aumento de temperatura de la bobina (K)	≤45
Aumento de temperatura en el terminal de salida (K)	≤65
Vida eléctrica	20 000 veces
Vida útil mecánica	300 000 veces
Pliego de condiciones	Continuo
Material de contacto	Alloy
Tiempo de corriente de entrada (máx.)	130ms
Maximum switching current	2000A 320VDC (more than once)
Maximum switching power	640kW
Tipo de terminal de carga	Tornillo M8
Tipo de terminal de bobina	0.3 square silicone wire, 390mm long
Carga nominal del contacto auxiliar (opcional)	3A/30VDC
Certificación de organización de pruebas	CCC, CE, FCC, RoHS

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.

CURVA CARACTERÍSTICA DE CARGA

ESQUEMA DE INSTALACIÓN

ESQUEMA DE CABLEADO

COIL TEMPERATURE CURVE

HABILIDAD MECÁNICA y USO del MEDIO AMBIENTE

Par de apriete del terminal M8 (N.m)	≯9,0 adecuado
Coil lead mode	Wire dipping tin (red positive and black negative)
Temperatura ambiente	-40~+85℃
Humedad relativa	+20 ℃ 98%
Frecuencia de vibración en la posición fija	3G, 1–50 Hz, amplitud de 0.5 mm
Conmoción cerebral	(60～100) veces/minuto, aceleración≤4g
Altitud	2000m
Instrucciones de instalación	Aleatorio
Protección Internacional	IP68

INSTRUCCIÓN DE PEDIDO

Tipo de producto SAYOON	SEV250AH
U.N.W.	409g
Tipo de soporte de montaje	L Vertical(default)

When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: HV DC Contactor SEV200AH-□-□/24V 100pcs, indicating the load rated current 200A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.