المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
- Model Breakdown
| شفرة | وصف |
| A9F18325 | Official order number for Schneider Electric Acti9 iC65N قواطع دوائر مصغرة |
| IC65N | سلسلة المنتجات: Acti9 iC65 series, N-type breaking capacity (6ال), thermal-magnetic trip unit |
| 3ص | Number of poles: 3 أقطاب (3-phase 3-wire), can switch off three phases simultaneously |
| C25A | C-curve tripping, rated current 25A (at 30°C) |
- المعلمات التقنية الرئيسية
| غرض | مواصفة |
| ماركة | شنايدر إلكتريك |
| سلسلة المنتجات | Acti9 iC65N |
| يكتب | قواطع دوائر مصغرة (MCB), thermal-magnetic trip |
| التصنيف الحالي | 25أ (at 30°C) |
| البولنديين | 3ص (3 protective poles) |
| منحنى التعثر | C-curve (instantaneous trip at 5–10In, for distribution and lighting circuits) |
| كسر القدرة | 6ال (متوافق مع IEC/EN 60898-1) |
| الجهد المقنن | 400الخامس و (3-مرحلة), 230الخامس و (مرحلة واحدة) |
| التردد المقدر | 50/60هرتز |
| تصاعد | 35mm standard DIN rail mounting |
| Ambient Conditions | Temp: -25درجة مئوية ~ +40 درجة مئوية, altitude ≤2000m, humidity ≤95% (غير التكثيف) |
| حماية | حماية الزائد (thermal trip) وحماية ماس كهربائى (magnetic trip) |
- ميزات المنتج
- موثوقية عالية: Thermal-magnetic tripping provides accurate overload and short-circuit protection
- تصميم وحدات: حجم صغير, saves panel space, easy installation and maintenance
- Wide Application: For all low-voltage distribution systems: residential, commercial and industrial
- الشهادات: يتوافق مع IEC/EN 60898-1, GB10963.1 and other international & national standards
- Long Service Life: Mechanical life ≥20,000 operations, electrical life ≥5,000 operations
- التطبيقات
3‑phase distribution systems: Overload and short-circuit protection for 3‑phase circuits
دوائر الإضاءة: 3‑phase lighting protection in large commercial buildings and industrial plants
Power equipment: Control and protection of small 3‑phase motors, مضخات, المشجعين, إلخ.
Distribution boards / cabinets: Main or branch switch for low-voltage distribution systems
- نماذج الاستبدال & Cross-Brand Comparison
5.1 Schneider Same-Series Replacements
| نموذج | اختلاف | Application Change |
| A9F18320 | 20أ, C-curve, 3ص | For lower load current |
| A9F18332 | 32أ, C-curve, 3ص | For higher load current |
| A9F19325 | 25أ, D-curve, 3ص | For inductive loads such as motors |
| A9F18225 | 25أ, C-curve, 2ص | Single-phase circuit protection |
- تثبيت & ملاحظات الاستخدام
- قبل التثبيت, confirm model matches system parameters: check rated current, poles and tripping curve
- Must be mounted on standard 35mm DIN rail for secure installation
- Ensure terminals are tightly connected to avoid overheating
- Inspect breaker status regularly to ensure proper tripping mechanism
- After a fault trip, eliminate the cause before manually resetting
- توصيات الاختيار
- C-curve is suitable for distribution and lighting circuits; not recommended for frequent-start motors (use D-curve)
- 3P breakers are for 3-phase 3-wire systems; use 4P if neutral protection is required
- 6kA breaking capacity is for general industrial & commercial buildings; use higher-rated types (e.g. H-type 10kA) for high short-circuit current
Recommended Replacements for A9F18325-IC65N-3P-C25A
- Direct Replacements (شنايدر إلكتريك)
| نموذج الاستبدال | Order No. | المعلمات الرئيسية | اختلاف | طلب |
| IC65N 3P C25A | A9F18325 | 3ص, C25A, 6ال | Identical, original | Same distribution protection |
| IC65N 3P C20A | A9F18320 | 3ص, C20A, 6ال | 20أ (أدنى) | 3-phase lighting / distribution with lower load |
| IC65N 3P C32A | A9F18332 | 3ص, C32A, 6ال | 32أ (higher) | 3-phase lighting / distribution with higher load |
| IC65N 3P D25A | A9F19325 | 3ص, D25A, 6ال | D-curve (10–14In trip) | 3-phase motors, compressors and inductive loads |
| IC65H 3P C25A | A9F28325 | 3ص, C25A, 10ال | 10ال (higher breaking capacity) | Industrial environments with high short-circuit current |
| IC65L 3P C25A | A9F38325 | 3ص, C25A, 15ال | 15ال (highest level) | Critical power systems with very high fault current |
| IC65N 4P C25A | A9F18425 | 4ص, C25A, 6ال | 4 أقطاب (includes neutral protection) | 3-phase 4-wire systems |
- Upgraded Replacements (New Schneider Series)
| مسلسل | نموذج | Order No. | Upgrade Advantage | طلب |
| Acti9 IC60N | IC60N 3P C25A | A9F58325 | More compact, higher short-circuit withstand | New projects with limited panel space |
| Acti9 IC40N | IC40N 3P C25A | A9P58325 | Ultra-slim (18mm/pole), space-saving | Small distribution boards, residential / تجاري |
- Cross-Brand Equivalent Replacements
| ماركة | نموذج | المعلمات الرئيسية | Match | Cost |
| ايه بي بي | S203-C25 | 3ص, C25A, 6ال | ★★★★★ | واسطة, reliable quality |
| سيمنز | 5SY6325-7CC | 3ص, C25A, 6ال | ★★★★★ | واسطة, German quality |
| CHINT | NXB-63-3P C25 | 3ص, C25A, 6ال | ★★★★☆ | Lower, high-quality domestic |
| لذيذ | CDM30s-63C25/3300 | 3ص, C25A, 6ال | ★★★★☆ | Lower, cost-effective |
| تشانغشو التبديل | CH1-63C25/3P | 3ص, C25A, 6ال | ★★★★☆ | Lower, well-known domestic brand |
| Liangxin | NDM1-63C25/3P | 3ص, C25A, 6ال | ★★★★☆ | Lower, suitable for industry |
Key Selection Advice for Replacements
- Direct equivalent: Prefer IC65N 3P C25A (A9F18325) to match original protection characteristics
- منحنى التعثر:
C-curve (5–10In): distribution & إضاءة
D-curve (10–14In): المحركات, transformers to avoid nuisance tripping
- كسر القدرة:
6ال (N-type): general commercial & residential
10ال (H-type): industrial & large commercial
15ال (L-type): critical systems with high fault current
- البولنديين:
3ص: 3-phase 3-wire (no neutral protection)
4ص: 3-phase 4-wire (مرحلة + neutral protection)
- Brand choice:
دولي (ايه بي بي, سيمنز): stable, for critical equipment & export projects
محلي (CHINT, لذيذ): cost-effective, for general industrial & civil projects
