Full Range of Marine Classification Society Certifications: Approved by major global marine classification societies, complying with regulatory requirements for various vessels and offshore engineering equipment.
Wide Operating Temperature Range: -30درجة مئوية إلى +60 درجة مئوية, suitable for extreme temperature variations in marine environments.
- شرح كود النموذج
| شريحة | شفرة | وصف |
| Product Range | C60 | قواطع دوائر مصغرة of Multi9 series |
| كسر القدرة | ن | Standard breaking capacity (10ال, 400الخامس و) |
| عدد البولنديين | 2ص | 2 أقطاب (2 protected poles) |
| التصنيف الحالي | 20أ | تصنيف التشغيل الحالي: 20 Amperes |
| Trip Curve | ج | منحنى C (Trips at 8~12 times rated current, for combined lighting and motor loads) |
| رقم الطلب | 24338 | Original standard order number of شنايدر (equivalent to M9F11220) |
النموذج الكامل: C60N 2P C20A (Official Standard Model)
رقم الطلب: 24338 (M9F11220)
- المواصفات الفنية الرئيسية
| فئة المعلمة | المواصفات التفصيلية |
| المعلمات الأساسية | 2-pole miniature circuit breaker, C-type trip curve, rated current 20A |
| الجهد المقنن | تكييف: 400V (50/60هرتز); العاصمة: 125V |
| كسر القدرة | 10kA @ 400V AC (متوافق مع IEC 60947-2) |
| Trip Characteristic | منحنى C: 8.2In ±20% (في = 20 أ, tripping range: 164~200A) |
| التحمل الميكانيكي | 20,000 دورات التشغيل |
| التحمل الكهربائي | 10,000 operating cycles at rated current |
| الظروف المحيطة | درجة حرارة: -30درجة مئوية ~ +60 درجة مئوية; رطوبة: ≤95% (غير التكثيف) |
| تصاعد | 35تركيب السكك الحديدية مم DIN (متوافق مع EN 60715) |
| أبعاد & وزن | ارتفاع: 85مم; عرض: 45مم; عمق: 60مم; وزن: تقريبا. 180ز |
| درجة الحماية | IP20 (متوافق مع IEC 60529) |
| Marine Certifications | Certified by 9 major classification societies including ABS, BV, DNV, جي إل, LRS, RINA, CCS, KRS |
| Standard Approvals | اللجنة الانتخابية المستقلة 60947-2, غيغابايت 14048.2, م, سي سي سي, إلخ. |
- Marine Features & سيناريوهات التطبيق
3.1 Core Advantages for Marine Use
Full Marine Classification Certifications: Complies with standards of mainstream global marine classification societies for vessels and offshore facilities.
التكيف مع درجة الحرارة على نطاق واسع: Operates stably from -30°C to +60°C to cope with harsh marine temperature conditions.
اهتزاز & مقاومة الصدمات: متوافق مع IEC 60068-2-6 (اهتزاز) واللجنة الانتخابية المستقلة 60068-2-27 (Shock), applicable to rough working conditions during vessel navigation.
Corrosion Resistance: Special salt-fog resistant housing material extends service life in marine environments.
3.2 السيناريوهات القابلة للتطبيق
Ship Power Systems: Protection for main switchboards, emergency switchboards, lighting and ventilation systems.
Offshore Platforms: Power distribution and protection for drilling platforms, offshore wind farms, FPSO and other facilities.
Marine Auxiliary Equipment: Control circuit protection for pumps, الضواغط, المشجعين, navigation equipment, إلخ.
Yachts & Small Vessels: Meets safety standards for recreational marine craft.
3.3 السيناريوهات غير الموصى بها
High Short-circuit Current Environment: Locations with short-circuit current exceeding 10kA (C60H series with 15kA breaking capacity is recommended).
High-voltage DC Systems: DC circuits over 125V (special DC circuit breakers required).
Frequent Cycling Circuits: Operations over 10 cycles per minute (use contactors with protective devices instead).
- استبدال & ترقية الحلول
4.1 Original Schneider Replacements
| النموذج الأصلي | نموذج الاستبدال | سبب الاستبدال | التوافق |
| 24338 (C60N 2P C20A) | A9F44220 (iC60N 2P C20A) | Upgraded Acti9 series, breaking capacity increased to 15kA | أبعاد التركيب متطابقة, الاستبدال المباشر |
| 24338 (C60N 2P C20A) | M9F11220 (C60N 2P C20A) | Official original model, fully identical to 24338 | 100% compatible |
| 24338 (C60N 2P C20A) | C60H 2P C20A | Breaking capacity upgraded to 15kA for severe working conditions | أبعاد التركيب متطابقة, enhanced breaking performance |
4.2 بدائل عبر العلامات التجارية
| ماركة | نموذج الاستبدال | الاختلافات الرئيسية | Applicability |
| ايه بي بي | S202-C20 | 10كا كسر القدرة, منحنى C, 2P 20A | Same mounting size, الاستبدال المباشر |
| سيمنز | 5SY6220-7CC | 10كا كسر القدرة, منحنى C, 2P 20A | Slight difference in auxiliary functions, consistent basic protection |
| شينت | DZ47-63 2P C20 | Domestic alternative with cost advantage, 6كا كسر القدرة | For non-critical marine equipment |
- استكشاف الأخطاء وإصلاحها & إرشادات الصيانة
5.1 تشخيص الأخطاء الشائعة
| ظاهرة الخلل | الأسباب المحتملة | الحلول |
| التعثر المتكرر | 1. Overloaded load; 2. Circuit short circuit; 3. Mismatched trip curve | 1. Check if load current exceeds rated value; 2. Inspect circuit insulation; 3. Verify suitability of C-curve for the load |
| Failure to trip | 1. Damaged tripping mechanism; 2. Current below trip threshold; 3. الأسلاك غير الصحيحة | 1. Inspect mechanical condition of tripping mechanism; 2. Measure actual operating current; 3. Confirm correct wiring (line in, load out) |
| Severe overheating | 1. Loose terminals; 2. Oxidized contacts; 3. Excess ambient temperature | 1. Retighten wiring terminals; 2. اتصالات نظيفة; 3. تحسين التهوية وتبديد الحرارة |
| التشويش الميكانيكي | 1. Foreign object ingress; 2. Worn operating mechanism; 3. Loose parts caused by vibration | 1. Power off and remove foreign objects; 2. Inspect operating mechanism; 3. Reinforce mounting fixtures |
5.2 Maintenance Recommendations for Marine Environments
| عنصر الصيانة | دورة | عملية |
| التفتيش البصري | شهريا | Check for salt-fog corrosion, cracks and loose components |
| Insulation Resistance Test | ربع سنوية | Use megohmmeter to test insulation resistance (value shall be higher than 1MΩ) |
| Contact Inspection | Semi-annually | Check contacts for ablation and oxidation; measure contact resistance |
| اختبار الوظيفة | سنويا | Simulate overload and short circuit to verify normal tripping performance |
| تنظيف | سنويا | Remove internal dust with dry compressed air; avoid chemical detergents |
- دليل الاختيار & الامتثال للشحن الجوي
Mnemonic for Selection
C60N two-pole, twenty ampere C-curve,
Nine marine approvals, ten kiloamp breaking,
Replace with iC60 for higher capacity,
Safe for marine use, DIN rail mount ready.
الامتثال للشحن الجوي
Transport Classification: البضائع غير الخطرة. No built-in lithium batteries or supercapacitors, compliant with IATA regulations.
متطلبات التعبئة والتغليف: Individual packaging to prevent damage from vibration during transit. Original moisture-proof packaging is recommended.
وثائق الشهادة: Carry copies of marine classification certificates for customs and inspection.
Full Specification Comparison Table for Schneider C60 Series Marine Miniature Circuit Breakers
This table provides a detailed comparison of core specifications for C60N / C60H marine series (مشتمل 24338: C60N 2P C20A), covering commonly used pole counts (1ف/2ف/3ف/4ف) and current ratings (16A/20A/25A/32A/40A/50A/63A) for bulk selection.
- General Specification List (Marine C-curve)
| نموذج | رقم الطلب | البولنديين | التصنيف الحالي | كسر القدرة | عرض | وزن | Marine Certifications | نموذج الاستبدال (iC60 Series) |
| C60N 1P C16A | M9F11116 | 1ص | 16أ | 10ال | 18مم | 90ز | 9 Classification Societies | A9F74116 |
| C60N 1P C20A | M9F11120 | 1ص | 20أ | 10ال | 18مم | 90ز | 9 Classification Societies | A9F74120 |
| C60N 1P C25A | M9F11125 | 1ص | 25أ | 10ال | 18مم | 90ز | 9 Classification Societies | A9F74125 |
| C60N 1P C32A | M9F11132 | 1ص | 32أ | 10ال | 18مم | 90ز | 9 Classification Societies | A9F74132 |
| C60N 2P C16A | M9F11216 | 2ص | 16أ | 10ال | 36مم | 180ز | 9 Classification Societies | A9F74216 |
| C60N 2P C20A | 24338 / M9F11220 | 2ص | 20أ | 10ال | 36مم | 180ز | 9 Classification Societies | A9F74220 |
| C60N 2P C25A | M9F11225 | 2ص | 25أ | 10ال | 36مم | 180ز | 9 Classification Societies | A9F74225 |
| C60N 2P C32A | M9F11232 | 2ص | 32أ | 10ال | 36مم | 180ز | 9 Classification Societies | A9F74232 |
| C60N 3P C16A | M9F11316 | 3ص | 16أ | 10ال | 54مم | 270ز | 9 Classification Societies | A9F74316 |
| C60N 3P C20A | M9F11320 | 3ص | 20أ | 10ال | 54مم | 270ز | 9 Classification Societies | A9F74320 |
| C60N 3P C25A | M9F11325 | 3ص | 25أ | 10ال | 54مم | 270ز | 9 Classification Societies | A9F74325 |
| C60N 3P C32A | M9F11332 | 3ص | 32أ | 10ال | 54مم | 270ز | 9 Classification Societies | A9F74332 |
| C60N 4P C16A | M9F11416 | 4ص | 16أ | 10ال | 72مم | 360ز | 9 Classification Societies | A9F74416 |
| C60N 4P C20A | M9F11420 | 4ص | 20أ | 10ال | 72مم | 360ز | 9 Classification Societies | A9F74420 |
| C60H 2P C20A | M9F14220 | 2ص | 20أ | 15ال | 36مم | 180ز | 9 Classification Societies | A9F84220 |
| C60H 3P C20A | M9F14320 | 3ص | 20أ | 15ال | 54مم | 270ز | 9 Classification Societies | A9F84320 |
- Comparison of Breaking Capacity & خصائص الرحلة
| مسلسل | كسر القدرة | Trip Curve | سيناريوهات التطبيق | Max Rated Current | مستوى السعر |
| C60N | 10kA @ 400V AC | ب / ج / د | General ship power systems, combined lighting & الأحمال الحركية | 63أ | معيار |
| C60H | 15kA @ 400V AC | ب / ج / د | Ship systems with high short-circuit current, على سبيل المثال. main switchboards | 63أ | معيار +15% |
| iC60N | 15kA @ 400V AC | ب / ج / د | Upgraded replacement for C60N with improved performance | 63أ | معيار +20% |
| iC60H | 30kA @ 400V AC | ب / ج / د | High-standard marine systems and offshore platforms | 63أ | معيار +30% |
Trip Curve Description
B-curve: Trips at 3~5 times rated current, for pure resistive loads (إضاءة)
منحنى C: Trips at 8~12 times rated current, for combined lighting and motor loads (الأكثر استخداما على نطاق واسع)
D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers
- Detailed Comparison between 24338 (C60N 2P C20A) & النماذج المشتركة
3.1 Same Poles, Different Current Ratings (2ص)
| نموذج | التصنيف الحالي | Trip Current Range | Applicable Loads | Difference vs 24338 |
| C60N 2P C16A | 16أ | 128~192A | إضاءة & motor loads below 16A | 20% lower current, more sensitive protection |
| C60N 2P C20A (24338) | 20أ | 164~200A | Combined loads below 20A | التكوين القياسي |
| C60N 2P C25A | 25أ | 205~300A | Combined loads of 20~25A | 25% higher current, larger load capacity |
| C60N 2P C32A | 32أ | 262~384A | Combined loads of 25~32A | 60% higher current, for higher-power equipment |
3.2 Same Current, Different Pole Counts (20أ)
| نموذج | البولنديين | عرض | سيناريوهات التطبيق | Difference vs 24338 |
| C60N 1P C20A | 1ص | 18مم | Single-phase lighting & دوائر المقبس | Half width, only live pole protected |
| C60N 2P C20A (24338) | 2ص | 36مم | Single-phase motors & معدات, line and neutral disconnected simultaneously | التكوين القياسي, حماية شاملة |
| C60N 3P C20A | 3ص | 54مم | Three-phase motors & معدات, 380V systems | 50% wider, للدوائر ثلاثية الطور |
| C60N 4P C20A | 4ص | 72مم | Three-phase four-wire systems with neutral protection | Double width, for circuits requiring neutral pole protection |
3.3 Same Specification, Different Breaking Capacity (2P 20A C)
| نموذج | كسر القدرة | بيئة التطبيق | Price Difference | Difference vs 24338 |
| C60N 2P C20A (24338) | 10ال | General ship systems | معيار | التكوين القياسي |
| C60H 2P C20A | 15ال | Systems with high short-circuit current | 15% | 50% higher breaking capacity |
| iC60N 2P C20A | 15ال | Upgraded replacement solution | 20% | New generation product with longer service life |
| iC60H 2P C20A | 30ال | Offshore engineering platforms | 30% | 200% higher breaking capacity |
- Selection Reference Table for Marine Applications
| نوع التحميل | Recommended Trip Curve | Recommended Breaking Capacity | Recommended Poles | Reference Current |
| Ship Lighting System | ب | C60N (10ال) | 1ص / 2ص | 6أ / 10أ / 16أ |
| المشجعين & Pump Motors | ج | C60N (10ال) | 3ص | 16أ / 20أ / 25أ |
| الضواغط & Air-conditioning Units | ج | C60H (15ال) | 3ص | 25أ / 32أ / 40أ |
| Navigation & Communication Equipment | ب | C60N (10ال) | 1ص / 2ص | 6أ / 10أ |
| Branches of Main Switchboard | ج | C60H (15ال) | 3ص / 4ص | 32أ / 40أ / 50أ |
| Emergency Power System | د | C60H (15ال) | 3ص | 40أ / 50أ / 63أ |
- Notes for Bulk Selection
- Marine Certifications: All C60 marine models are certified by 9 major classification societies including ABS, BV, DNV, جي إل, LRS, RINA, CCS and KRS, available for global use.
- توافق التركيب
All models adopt 35mm DIN rail mounting (متوافق مع EN 60715).
Width varies by pole count: 1P=18mm, 2P=36mm, 3P=54mm, 4P=72mm.
Uniform dimensions: Height 85mm, Depth 60mm.
- Replacement Strategy
Short-term replacement: Prioritize identical models from the same series (على سبيل المثال. 24338 = M9F11220).
Long-term upgrade: Choose iC60N series (على سبيل المثال. A9F74220 for 24338) with breaking capacity upgraded to 15kA.
Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.
- القدرة على التكيف البيئي
درجة حرارة التشغيل: -30درجة مئوية ~ +60 درجة مئوية, suitable for extreme marine environments.
اهتزاز & shock resistance: متوافق مع IEC 60068-2-6 واللجنة الانتخابية المستقلة 60068-2-27.
Salt-fog resistant design: Special housing material extends service life in marine conditions.
- Selection Mnemonic for C60 Marine Series
Marine C60N holds nine approvals,
Two-pole 20A with C-curve set,
iC60 upgrades breaking power,
Match poles and current for your load hour,
Wide temp and anti-vibration, ideal for marine power.
المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية





















NH42-63-318x560.png)




