LCLCTC NDR120-24
LCLCTC NDR 120W 24Vdc Power Supply Instruction Manual
Model: NDR120-24
1. انتهى المنتجview
The LCLCTC NDR 120W 24Vdc Power Supply (Model: NDR120-24) is a high-efficiency switching converter designed for industrial and commercial applications. It provides a stable 24V DC output from a wide 100-240VAC input, making it suitable for various global power environments. Its compact design and DIN rail mounting capability ensure convenient installation in distribution boxes and control cabinets.

Figure 1: LCLCTC NDR 120W 24Vdc Power Supply, showing its compact form factor and DIN rail mounting bracket.
2. معلومات السلامة
يرجى قراءة وفهم جميع تعليمات السلامة قبل التركيب والتشغيل. قد يؤدي عدم اتباع هذه التعليمات إلى صدمة كهربائية أو حريق أو إصابة خطيرة.
- تأكد من فصل مصدر الطاقة عن مصدر الطاقة الرئيسي قبل أي عملية تركيب أو توصيل أسلاك أو صيانة.
- يجب أن يتم إجراء التثبيت بواسطة موظفين مؤهلين فقط وفقًا للقوانين واللوائح الكهربائية المحلية.
- Use copper wire only for connections.
- Do not operate the unit beyond its specified input voltage, output current, or power ratings.
- Ensure proper ventilation to prevent overheating. The maximum surrounding air temperature for operation is 50°C.
- This device is designed for installation in a pollution degree 2 environment.
- Ensure all terminal connections are secure. The terminal torque should be 9 Lb-in.
3. مواصفات المنتج
- Din Rail Installation: Designed for convenient mounting on standard DIN rails, suitable for distribution boxes and industrial control cabinets.
- حجم الإدخال على نطاق واسعtagالنطاق الإلكتروني: Accepts input from 100-240VAC, 50/60Hz, making it compatible with various international power grids.
- انتاج طاقة عالية: Delivers 120W of power with a stable 24VDC output at 5A.
- Model Specific: Identified as NDR120-24.
- Efficient Conversion: Converts 120Vac to 24Vdc efficiently.
- الزائد والإفراطtagهـ- الحماية: Built-in protection mechanisms to ensure safe operation and prolong product life.
- تصميم مضغوط: Space-saving dimensions for efficient use of cabinet space.
4. المواصفات

Figure 2: Detailed technical specifications for various NDR series models, including NDR-120-24.
| المعلمة | قيمة |
|---|---|
| رقم الموديل | NDR120-24 |
| حجم الإدخالtage | 100-240 فولت تيار متردد، 50/60 هرتز |
| حجم الإخراجtage | 24 فولت تيار مستمر |
| تيار الخرج | 5A |
| تصنيف الطاقة | 120 واط |
| الأبعاد (الطول × العرض × الارتفاع) | 4.92 × 4.45 × 1.57 بوصة (125 × 113 × 40 مم) |
| وزن العنصر | 1.03 جنيه (0.47 كيلوجرام) |
| التقييم الحالي | 5 Amps |
| الحد الأدنى للتردد | 50 هرتز |
| الحد الأقصى للتردد | 60 هرتز |
| التقى المواصفات | التوافق الكهرومغناطيسي |
| درجة حرارة التشغيل | من -10 درجة مئوية إلى +60 درجة مئوية |
| رطوبة العمل | 20% ~ 90%رطوبة نسبية |

Figure 3: Dimensions of the NDR120-24 Power Supply.
5. الإعداد والتثبيت
The NDR120-24 power supply is designed for easy DIN rail mounting. Follow these steps for proper installation:
- التركيب:
- Ensure the DIN rail is securely fastened within the enclosure or distribution box.
- Align the power supply's DIN rail clip with the top edge of the DIN rail.
- Press the bottom of the power supply firmly against the DIN rail until it clicks into place. Verify it is securely attached and does not wobble.
- Wiring (Input):
- قبل توصيل الأسلاك، تأكد من إيقاف تشغيل مصدر الطاقة الرئيسي.
- Connect the AC input wires to the "N" (Neutral) and "L" (Line) terminals.
- Connect the ground wire to the "PE" (Protective Earth) terminal.
- Ensure all connections are tight. The recommended terminal torque is 9 Lb-in.
- Wiring (Output):
- Connect the positive (+) load wire to the "+V" output terminal.
- Connect the negative (-) load wire to the "-V" output terminal.
- If using multiple output terminals, ensure proper load balancing if applicable.
- Ensure all connections are tight. The recommended terminal torque is 9 Lb-in.
- تهوية: Ensure adequate clearance around the power supply for proper airflow and heat dissipation. Do not obstruct ventilation holes.

Figure 4: Front panel of the power supply with input (N, L, PE) and output (-V, +V) terminals clearly marked.
6. تعليمات التشغيل
Once the power supply is securely installed and wired, follow these steps for operation:
- تشغيل الطاقة: Turn on the main AC power supply to the unit. The "DC OK" indicator light on the front panel should illuminate, indicating stable DC output.
- حجم الإخراجtagالتعديل ه:
- The power supply features a "+V ADJ" potentiometer for fine-tuning the output voltage.
- Using a small flat-head screwdriver, carefully turn the potentiometer clockwise to increase the voltagأو عكس اتجاه عقارب الساعة لتقليله.
- مراقبة حجم الإخراجtage with a multimeter to ensure it is within the desired range for your application. Do not exceed the maximum specified voltage.
- اتصال التحميل: Connect your 24VDC devices to the output terminals. Ensure the total current draw does not exceed 5A.
- يراقب: Periodically check the "DC OK" indicator and the performance of connected devices to ensure stable operation.
7. الصيانة
The NDR120-24 power supply is designed for reliable operation with minimal maintenance. However, regular checks can help ensure longevity and optimal performance:
- تنظيف: Periodically clean the exterior of the power supply to prevent dust accumulation, especially around ventilation openings. Use a soft, dry cloth. Do not use liquid cleaners or solvents.
- فحوصات الاتصال: Annually, or as needed, verify that all input and output terminal connections remain tight and secure. Loose connections can lead to overheating or intermittent operation.
- الظروف البيئية: Ensure the operating environment remains within the specified temperature and humidity ranges. Avoid exposure to excessive moisture, dust, or corrosive substances.
- التفتيش البصري: Regularly inspect the unit for any signs of physical damage, discoloration, or unusual odors. If any issues are observed, disconnect power immediately and consult a qualified technician.

Figure 5: Internal components of the power supply, showing the circuit board and heat sinks. Do not open the casinإلا إذا كنت فنيًا مؤهلًا.
8. استكشاف الأخطاء وإصلاحها
This section provides solutions to common issues you might encounter with the NDR120-24 power supply.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| No "DC OK" light / No output voltage |
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| إخراج المجلدtage fluctuates or is incorrect |
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| الوحدة ساخنة عند لمسها |
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If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact LCLCTC customer support.
9. الضمان والدعم
LCLCTC products are manufactured to high quality standards. For warranty information and technical support, please refer to the official LCLCTC webالموقع أو اتصل بالموزع المحلي لديك.
For direct inquiries, please have your product model number (NDR120-24) and purchase information ready.
الموارد المتاحة على الإنترنت:
- قم بزيارة LCLCTC Brand Store on Amazon for product updates and related items.
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