1. المقدمة
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. معلومات السلامة
تحذير: Electrical shock hazard. Installation and maintenance should only be performed by qualified personnel. Disconnect power before installation or servicing.
- اتبع دائمًا القوانين الكهربائية المحلية والوطنية.
- Ensure the power supply is completely disconnected and locked out before working on the circuit.
- Verify the accessory's voltagتتوافق التقييمات الحالية مع طلبك.
- لا تقم بتشغيل الجهاز إذا كان يبدو تالفًا.
- استخدم معدات الحماية الشخصية المناسبة (PPE).
3. انتهى المنتجview والميزات
The Noark SHT22N is a compact and robust circuit breaker accessory. Its primary features include:
- نموذج: SHT22N
- المجلدtagتصنيف ه: تيار متردد 480-500 فولت
- تكرار: 50 هرتز/60 هرتز
- استهلاك الطاقة: 10 فولت أمبير
- التقييم الحالي: 10 Amps
- نوع التركيب: تركيب المكونات في
- عدد الأقطاب: 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. الإعداد والتثبيت
The SHT22N is designed for plug-in mounting, typically into a compatible circuit breaker or distribution board. Follow these general steps for installation:
- انقطاع التيار الكهربائي: Ensure all power to the circuit where the accessory will be installed is completely disconnected and verified using a voltage tester. Implement lockout/tagإجراءاتنا الخارجية.
- تحديد موقع التركيب: Locate the designated slot or connection points on the compatible circuit breaker or panel for the SHT22N accessory.
- تركيب المكونات في: Carefully align the accessory with the mounting interface and firmly push it into place until it is securely seated.
- التوصيلات السلكية: 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).
- التحقق من الاتصالات: تأكد من إحكام توصيل جميع التوصيلات وتأكد من صحة القطبية.
- اعادة الطاقة: Once installation is complete and verified, safely restore power to the circuit.
ملحوظة: 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. تعليمات التشغيل
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. الصيانة
The SHT22N circuit breaker accessory is designed for minimal maintenance. However, periodic checks are recommended to ensure continued reliable operation:
- التفتيش البصري: Periodically inspect the accessory for any signs of physical damage, discoloration, or loose connections.
- سلامة الاتصال: Ensure all wiring connections remain tight and secure. Loose connections can lead to overheating or intermittent operation.
- تنظيف: If necessary, gently clean the exterior of the accessory with a dry, lint-free cloth. Do not use solvents or abrasive cleaners.
- الظروف البيئية: تأكد من بقاء بيئة التشغيل ضمن نطاقات درجة الحرارة والرطوبة المحددة لمنع حدوث أعطال مبكرة.
ملحوظة: Any internal servicing or repair should only be performed by the manufacturer or authorized service personnel.
7. استكشاف الأخطاء وإصلاحها
If you experience issues with the SHT22N accessory, consider the following common troubleshooting steps:
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| Accessory not functioning | التوصيلات غير الصحيحة لا يوجد مصدر للطاقة الوحدة المتضررة | Verify all wiring connections against the system diagram. Check power supply to the circuit. Inspect for physical damage. If damaged, replace the unit. |
| التشغيل المتقطع | اتصالات فضفاضة المجلدtagتقلبات البريد | Tighten all terminal connections. Ensure stable power supply within specified voltagالنطاق ه. |
| ارتفاع درجة الحرارة | التحميل الزائد تهوية سيئة اتصالات فضفاضة | Ensure current does not exceed 10 Amps. Verify adequate airflow around the unit. التحقق من جميع التوصيلات وتشديدها. |
If the problem persists after attempting these steps, contact qualified service personnel or Noark customer support.
8. المواصفات
| يصف | التفاصيل |
|---|---|
| نموذج | SHT22N |
| ماركة | نورك |
| المجلدtagتقييم هـ | تيار متردد 480-500 فولت |
| تكرار | 50 هرتز/60 هرتز |
| استهلاك الطاقة | 10 فولت أمبير |
| التقييم الحالي | 10 Amps |
| نوع قواطع دوائر | معيار |
| نوع التركيب | تركيب المكونات في |
| عدد الاقطاب | 1 |
| أبعاد الحزمة | 1 × 1 × 1 بوصة |
| وزن | 1.44 رطل |
| الشركة المصنعة | NOARK |
| تاريخ أول توفر | 1 يناير 2016 |
9. معلومات الضمان
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. دعم العملاء
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 webتغليف الموقع أو المنتج.





