Aperçu

CARACTÉRISTIQUES

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.

IMPLICATION DU MODÈLE SAYOON

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

1	Type de produit
2	Courant 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- Deux rétentions magnétiques articulées (bobine unique, auto-verrouillage à deux articulations); 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	Aucun: 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	Tension nominale de la bobine : 12V, 24V, 48V, 9-36V, 48-72V etc.

UTILISATIONS

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)

Type de produit SAYOON	SEV250AH
Formulaire de contact	1 NO(SPST-NO) or 1NC(SPST-NC)
Tension nominale de la bobine (V CC)	12-24V, 36-48V, 60-72V, 9-36V etc.
Tension de contact (V CC)	5-1000V
Contact circuit rated load current (DC-1)	250A
Chute de tension typique aux bornes des contacts pour 100 A	≯80mV
La tension de collage de refroidissement à (20±5)℃ (V)	≯70%
Tension de décollage à (20±5)℃ (V)	≯35%,≮5%
Plage de tension de fonctionnement de la bobine à 40 °C	0,8-1,2 µs
Temps de chute (contacts N.O. ouverts)	80ms
Temps d'enclenchement (contacts N.O. à la fermeture)	20ms
Temps de rebond maximal pour la connexion de contact	10 ms
Temps de rebond maximal pour la déconnexion de contact	7ms
Résistance d'isolement	100MΩ
La force électrique à résister	50Hz/60Hz 2200VAC 1minute
Courants de défaut typiques pouvant être coupés	1000A/5ms at 48V DC
Puissance de la bobine (W)	H: Start 30-50, Keep 1.5-5
Élévation de température de la bobine (K)	≤ 45
Élévation de température sur la borne de sortie (K)	≤ 65
Vie électrique	20 000 fois
Vie mécanique	300 000 fois
Spécification des travaux	Continu
Matériau de contact	Alloy
Temps de démarrage (max)	130ms
Maximum switching current	2000A 320VDC (more than once)
Maximum switching power	640kW
Type de terminal de charge	Vis M8
Type de borne de bobine	0.3 square silicone wire, 390mm long
Charge nominale du contact auxiliaire (en option)	3A/30VDC
Certification d'organisme de test	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.

CARACTÉRISTIQUE DE CHARGE

SCHÉMA D'INSTALLATION

SCHÉMA ÉLECTRIQUE

COURBE DE TEMPÉRATURE DE LA BOBINE

APTITUDE MÉCANIQUE et UTILISATION de l'ENVIRONNEMENT

Couple de serrage du contact principal M8 (N.m)	>9,0 approprié
Coil lead mode	Wire dipping tin (red positive and black negative)
Température ambiante	-40~+85℃
Humidité relative	+20 °C 98%
Fréquence de vibration à la position fixe	3G, 1 à 50 Hz amplitude 0,5 mm
Commotion cérébrale	(60 à 100) fois/minute, accélération ≤ 4 g
Altitude	2000m
Sens d'installation	Aléatoire
Protection internationale	IP68

INSTRUCTION DE COMMANDE

Type de produit SAYOON	SEV250AH
NUW.	409g
Type de support de fixation	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.