


Высоковольтный контактор постоянного тока SEV250AH в герметичном корпусе из эпоксидной смолы
Looking for high voltage epoxy resin sealed DC contactors? Check out the SEV250AH for reliable and efficient performance. Order now!
Обзор
ХАРАКТЕРИСТИКИ
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.
Значение модели Сайюна
|
SEV |
250 |
A |
H |
X |
L |
-□ |
■ |
/12V |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
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1 |
Тип продукта | ||||||||
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2 |
Номинальный ток | ||||||||
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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) | ||||||||
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4 |
Coil type: D-Single coil; H-With coil economizer; K- Двойная магнитная фиксация (одинарная катушка, двойная фиксация); 2К-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 | ||||||||
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6 |
Mounting bracket type: L-Vertical (default) | ||||||||
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7 |
Никто: 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 |
Номинальное напряжение катушки: 12V, 24V, 48V, 9-36V, 48-72V etc. | ||||||||
ПРИМЕНЕНИЕ
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)
| SAYOON Тип продукта | SEV250AH |
| Форма обратной связи | 1 NO(SPST-NO) or 1NC(SPST-NC) |
| Номинальное напряжение катушки (постоянный ток, В) | 12-24V, 36-48V, 60-72V, 9-36V etc. |
| Напряжение прикосновения (постоянное напряжение, В) | 5-1000V |
| Contact circuit rated load current (DC-1) | 250А |
| Типичное падение напряжения на контактах на каждые 100 А | >80 мВ |
| Напряжение срабатывания при отпускании при температуре (20±5)℃ (В) | ≯70% |
| Напряжение отпускания при (20±5)℃ (В) | ≯35%,≮5% |
| Working voltage range of 40℃ coil | 0.8-1.2 мкс |
| Время отпускания (размыкание замыкающих контактов) | 80ms |
| Время срабатывания (замыкание нормально разомкнутых контактов) | 20ms |
| Максимальное время дребезга для контактного соединения | 10 мс |
| Максимальное время дребезга при размыкании контакта | 7ms |
| Сопротивление изоляции | 100MΩ |
| Электрическая прочность на сопротивление | 50Hz/60Hz 2200VAC 1minute |
| Типичные токи повреждения, которые могут быть отключены | 1000A/5ms at 48V DC |
| Мощность катушки (Вт) | H: Start 30-50, Keep 1.5-5 |
| Повышение температуры катушки (К) | ≤45 |
| Повышение температуры на выходе (K) | ≤65 |
| Электрическая жизнь | 20 000 раз |
| Срок службы механических частей | 300 000 раз |
| Техническое задание | Непрерывный |
| Контактный материал | Alloy |
| Время пускового тока (макс.) | 130ms |
| Maximum switching current | 2000A 320VDC (more than once) |
| Maximum switching power | 640kW |
| Тип терминала нагрузки | M8 Screw |
| Тип клеммы катушки | 0.3 square silicone wire, 390mm long |
| Номинальная нагрузка вспомогательного контакта (опция) | 3A/30VDC |
| Сертификация организаций, осуществляющих испытания | 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.
НАГРУЗОЧНАЯ ХАРАКТЕРИСТИКА
СХЕМА МОНТАЖА

СХЕМА ПОДКЛЮЧЕНИЯ

COIL TEMPERATURE CURVE

МЕХАНИЧЕСКИЕ НАВЫКИ и ИСПОЛЬЗОВАНИЕ ОКРУЖАЮЩЕЙ СРЕДЫ
| Contact lead M8 tightening torque (N.m) | ≯9,0 подходит |
| Coil lead mode | Wire dipping tin (red positive and black negative) |
| Температура окружающей среды | -40~+85℃ |
| Относительная влажность | +20 °C 98% |
| Частота колебаний в неподвижном положении | 3G, 1–50 Гц, амплитуда 0,5 мм |
| Сотрясение мозга | (60–100) раз/мин, ускорение ≤ 4g |
| Высота | 2000 м |
| Инструкция по установке | Случайный |
| Международная защита | IP68 |
Инструкция по заказу
| SAYOON Тип продукта | SEV250AH |
| У.Н.В. | 409g |
| Тип монтажного кронштейна | 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.
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