1. Танилцуулга
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. Бүтээгдэхүүн дууссанview
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. Аюулгүй байдлын мэдээлэл
WARNING: Electrical shock hazard. Installation and maintenance should only be performed by qualified and authorized personnel.
- Контактыг суурилуулах, засвар үйлчилгээ хийх, салгахаасаа өмнө цахилгааныг үргэлж салга.
- Бүх утаснууд нь орон нутгийн болон үндэсний цахилгааны кодуудтай нийцэж байгаа эсэхийг шалгаарай.
- Зөв боть шалгана ууtage and current ratings before connecting the contactor to a circuit.
- Хэрэв контактор гэмтсэн харагдаж байвал түүнийг ажиллуулж болохгүй.
4. Тохиргоо ба суурилуулалт
The ABB ESB 20-20 contactor is designed for DIN rail mounting, facilitating easy integration into control panels.
- Суурилуулалт: Securely attach the contactor to a standard 35mm DIN rail. Ensure it clicks firmly into place.
- Цахилгааны утас: 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.
- Баталгаажуулалт: 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. Ашиглалтын заавар
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.
- Ороомог эрч хүч өгөх: Apply 230 Volts AC to terminals A1 and A2. The contactor will audibly click as the contacts close.
- Ороомог хүчдэлгүй болгох: 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.
- Статусын үзүүлэлт: Зарим загварууд нь контакторын төлөвийг (нээлттэй/хаалттай) харуулах харааны индикатортой байж болно.
6. Засвар үйлчилгээ
Regular maintenance ensures the longevity and reliable operation of your ABB ESB 20-20 contactor.
- Харааны үзлэг: Контаторыг үе үе шалгаж, биеийн гэмтэл, өнгө алдагдах, сул холболт байгаа эсэхийг шалгаарай.
- Цэвэрлэгээ: Ensure the contactor is free from dust, dirt, and debris. Use a dry, soft cloth for cleaning. Do not use solvents.
- Холболт шалгах: With power disconnected, verify that all terminal screws are tight. Loose connections can lead to overheating and failure.
7. Алдаа засах
If the contactor is not functioning as expected, perform the following basic checks:
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Contactor does not energize (no click) | Хяналтгүй ботьtage to A1/A2; incorrect voltage; open coil circuit. | Check control circuit power supply; verify 230V at A1/A2; test coil continuity. |
| Контатор нь эрч хүч өгдөг боловч ачаалал нь хүчийг авдаггүй | 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. |
| Контакт хэт халсан | Overcurrent; loose connections; incorrect voltage. | Verify load current is within 20A rating; tighten all connections; confirm 230V coil voltage. |
8. Техникийн үзүүлэлтүүд
- Брэнд: АББ
- Загвар: ESB 20-20
- Загварын дугаар: ABB26326GSB
- Coil Voltage: 230 вольтын хувьсах гүйдэл
- Нэрлэсэн гүйдэл: 20 Ampэрес
- Бүтээгдэхүүний хэмжээ: 3.94 x 0.79 x 3.94 инч
- Жин: 4.94 унц
- Ашиглалтын температур: -25°C to +55°C (as per typical specifications for this series)
- Суурилуулалт: DIN Төмөр замын
- Үйлдвэрлэгч: АББ
9. Баталгаат хугацаа ба дэмжлэг
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.





