1. Введение
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the ABB ESB 20-20 230 Volt Contactor. Please read this manual thoroughly before attempting any installation or operation to ensure proper function and to prevent potential hazards.
2. Продукт закончилсяview
The ABB ESB 20-20 is a robust motor contactor designed for switching electrical loads in various industrial and commercial applications. It features a 230 Volt coil and is rated for 20 Amperes, making it suitable for controlling motors, heating elements, lighting, and other electrical equipment.

Figure 1: ABB ESB 20-20 230 Volt Contactor. This image displays a white and grey ABB ESB 20-20 contactor, highlighting the A1 and A2 coil terminals at the top and bottom, respectively, and the main power terminals labeled 1, 3, 2, and 4. The ABB logo and model number are clearly visible on the front face of the unit.
3. Информация по технике безопасности
WARNING: Electrical shock hazard. Installation and maintenance should only be performed by qualified and authorized personnel.
- Всегда отключайте питание перед установкой, обслуживанием или снятием контактора.
- Убедитесь, что вся проводка соответствует местным и национальным электротехническим нормам.
- Проверьте правильность объемаtage and current ratings before connecting the contactor to a circuit.
- Не включайте контактор, если он выглядит поврежденным.
4. Настройка и установка
The ABB ESB 20-20 contactor is designed for DIN rail mounting, facilitating easy integration into control panels.
- Монтаж: Securely attach the contactor to a standard 35mm DIN rail. Ensure it clicks firmly into place.
- Электропроводка: Connect the main power circuit to terminals 1 and 3 (input) and terminals 2 and 4 (output). Ensure proper wire gauge for the 20A rating.
- Coil Wiring: Connect the 230 Volt control voltage to the coil terminals A1 and A2. Observe correct polarity if applicable, though AC coils are typically non-polar.
- Проверка: Double-check all connections for tightness and correct wiring according to your circuit diagram.
Refer to your specific application's wiring diagram for detailed connection instructions.
5. Инструкция по эксплуатации
The ESB 20-20 contactor operates by energizing its coil, which then closes the main power contacts, allowing current to flow through the connected load.
- Активация катушки: Apply 230 Volts AC to terminals A1 and A2. The contactor will audibly click as the contacts close.
- Обесточивание катушки: Remove the 230 Volt AC supply from terminals A1 and A2. The contactor will audibly click as the contacts open, interrupting the power to the load.
- Индикатор состояния: В некоторых моделях может быть предусмотрен визуальный индикатор, показывающий состояние контактора (открыт/закрыт).
6. Техническое обслуживание
Regular maintenance ensures the longevity and reliable operation of your ABB ESB 20-20 contactor.
- Визуальный осмотр: Периодически проверяйте контактор на наличие признаков физического повреждения, изменения цвета или ослабленных соединений.
- Уборка: Ensure the contactor is free from dust, dirt, and debris. Use a dry, soft cloth for cleaning. Do not use solvents.
- Проверка связи: With power disconnected, verify that all terminal screws are tight. Loose connections can lead to overheating and failure.
7. Поиск Неисправностей
If the contactor is not functioning as expected, perform the following basic checks:
| Проблема | Возможная причина | Решение |
|---|---|---|
| Контактор не подаёт напряжение (нет щелчка). | Нет контроля громкостиtage to A1/A2; incorrect voltage; open coil circuit. | Check control circuit power supply; verify 230V at A1/A2; test coil continuity. |
| Контактор включается, но нагрузка не получает питания. | Main power not connected; main contacts damaged; load circuit fault. | Check main power supply to terminals 1/3; inspect contacts for damage; check load wiring. |
| Контактор перегревается | Overcurrent; loose connections; incorrect voltage. | Verify load current is within 20A rating; tighten all connections; confirm 230V coil voltage. |
8. Технические характеристики
- Бренд: РИС
- Модель: ЕСБ 20-20
- Номер модели товара: ABB26326GSB
- Катушка Томtage: 230 В переменного тока
- Номинальный ток: 20 Ampересы
- Размеры продукта: 3.94 x 0.79 x 3.94 дюйма
- Масса: 4.94 унции
- Рабочая температура: -25°C to +55°C (as per typical specifications for this series)
- Монтаж: DIN-рейка
- Производитель: РИС
9. Гарантия и поддержка
For warranty information, technical support, or service inquiries, please contact your local ABB representative or visit the official ABB website. Keep your purchase receipt and product model number (ESB 20-20, ABB26326GSB) available when contacting support.





