1. Муқаддима
This user manual provides essential information for the safe and effective installation, operation, and maintenance of the Noark SHT22N Circuit Breaker Accessory. Please read this manual thoroughly before using the product.
The SHT22N is designed as an accessory for circuit breakers, providing specific functionality within an electrical system. It operates within a voltage range of AC 480-500V at 50/60Hz and has a power consumption of 10VA.
2. Маълумот оид ба бехатарӣ
Огоҳӣ: Electrical shock hazard. Installation and maintenance should only be performed by qualified personnel. Disconnect power before installation or servicing.
- Ҳамеша қоидаҳои маҳаллӣ ва миллии барқро риоя кунед.
- Ensure the power supply is completely disconnected and locked out before working on the circuit.
- Verify the accessory's voltage ва рейтингҳои ҷорӣ ба дархости шумо мувофиқат мекунанд.
- Агар дастгоҳ осеб дида бошад, онро истифода набаред.
- Таҷҳизоти дахлдори муҳофизати инфиродӣ (PPE) истифода баред.
3. Маҳсулот ба охир расидview ва Хусусиятҳо
The Noark SHT22N is a compact and robust circuit breaker accessory. Its primary features include:
- Модели: SHT22N
- Ҷилдиtage Рейтинг: AC 480-500V
- Басомад: 50Гц/60Гц
- Истеъмоли қувваи барқ: 10ВА
- Рейтинги ҷорӣ: 10 Amps
- Навъи васлкунӣ: Васлкунаки плагин
- Шумораи полякҳо: 1

Figure 3.1: The Noark SHT22N Circuit Breaker Accessory. This image shows the compact black unit with green labeling indicating "Noark", "SHT22N", "AC 480-500V", "50Hz(60Hz)", and "10VA". Blue wires are connected to the top terminals of the accessory.
4. Танзим ва насб
The SHT22N is designed for plug-in mounting, typically into a compatible circuit breaker or distribution board. Follow these general steps for installation:
- Қатъи барқ: Ensure all power to the circuit where the accessory will be installed is completely disconnected and verified using a voltage tester. Implement lockout/tagтартиби берун.
- Муайян кардани макони насб: Locate the designated slot or connection points on the compatible circuit breaker or panel for the SHT22N accessory.
- Насб кардани плагин: Carefully align the accessory with the mounting interface and firmly push it into place until it is securely seated.
- Пайвастҳои ноқилӣ: Connect the necessary control or signal wires to the terminals of the SHT22N. The image shows blue wires connected to the top. Refer to the specific wiring diagram of your main circuit breaker or system for correct terminal assignments (e.g., C1, C2 as indicated on the unit).
- Тасдиқи пайвастҳо: Ҳама пайвастҳоро барои мустаҳкамӣ ва қутбияти дуруст дубора санҷед.
- Барқарор кардани қудрат: Once installation is complete and verified, safely restore power to the circuit.
Шарҳ: Specific wiring diagrams and installation procedures may vary depending on the main circuit breaker model and system configuration. Always consult the documentation for the primary circuit breaker.
5. Дастурҳои истифодабарӣ
The Noark SHT22N functions as an accessory to a main circuit breaker. Its operation is typically integrated with the circuit breaker's functionality, such as shunt tripping or auxiliary contact signaling. The accessory itself does not have user-operable controls.
- Ensure the accessory is correctly installed and wired according to the system's requirements.
- Monitor the overall system for proper operation.
- The accessory's function (e.g., remote tripping) will be activated by external signals or conditions as designed within the electrical system.
6. Нигоҳдорӣ
The SHT22N circuit breaker accessory is designed for minimal maintenance. However, periodic checks are recommended to ensure continued reliable operation:
- Санҷиши визуалӣ: Periodically inspect the accessory for any signs of physical damage, discoloration, or loose connections.
- Ягонагии пайвастшавӣ: Ensure all wiring connections remain tight and secure. Loose connections can lead to overheating or intermittent operation.
- Тозакунӣ: If necessary, gently clean the exterior of the accessory with a dry, lint-free cloth. Do not use solvents or abrasive cleaners.
- Шароити экологӣ: Боварӣ ҳосил кунед, ки муҳити корӣ дар ҳудуди муқарраршудаи ҳарорат ва намӣ боқӣ мемонад, то аз шикасти бармаҳал пешгирӣ кунад.
Шарҳ: Any internal servicing or repair should only be performed by the manufacturer or authorized service personnel.
7. Баррасии мушкилот
If you experience issues with the SHT22N accessory, consider the following common troubleshooting steps:
| Мушкилот | Сабаби эҳтимолӣ | Ҳалли |
|---|---|---|
| Accessory not functioning | Ноқилҳои нодуруст Не таъминоти барқ Воҳиди вайроншуда | Verify all wiring connections against the system diagram. Check power supply to the circuit. Inspect for physical damage. If damaged, replace the unit. |
| Амалиёти фосилавӣ | Пайвастҳои суст Ҷилдиtagд тағирот | Tighten all terminal connections. Ensure stable power supply within specified voltagдиапазон. |
| Аз ҳад зиёд гармшавӣ | Аз ҳад зиёд Вентилятсияи бад Пайвастҳои суст | Ensure current does not exceed 10 Amps. Verify adequate airflow around the unit. Ҳама пайвастҳоро тафтиш ва мустаҳкам кунед. |
If the problem persists after attempting these steps, contact qualified service personnel or Noark customer support.
8. Мушаххасоти
| Аттрибут | Тафсилот |
|---|---|
| Модели | SHT22N |
| Бренд | Ноарк |
| Ҷилдиtage Рейтинг | AC 480-500V |
| Басомад | 50Гц/60Гц |
| Истеъмоли қувваи барқ | 10ВА |
| Рейтинги ҷорӣ | 10 Amps |
| Навъи рахнакунанда | Стандарт |
| Навъи васлкунӣ | Васлкунаки плагин |
| Шумораи полякҳо | 1 |
| Андозаҳои бастаҳо | 1 x 1 x 1 инч |
| Вазн | 1.44 фунт |
| Истеҳсолкунанда | NOARK |
| Санаи аввалин дастрас | 1 январи соли 2016 |
9. Маълумот дар бораи кафолат
Noark products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the official Noark warranty statement available on their website or contact their customer support. Typically, warranties cover defects in materials and workmanship under normal use.
10. Дастгирии муштариён
For technical assistance, product inquiries, or service requests, please contact Noark customer support. Have your product model (SHT22N) and any relevant purchase information ready when contacting support.
You can typically find contact information (phone, email, website) on the official Noark webсайт ё бастабандии маҳсулот.





