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.
Gamă largă de temperatură de funcționare: -30°C până la +60°C, suitable for extreme temperature variations in marine environments.
- Codul modelului Explicația
| Segment | Cod | Descriere |
| Product Range | C60 | Întrerupător în miniatură of Multi9 series |
| Capacitate de rupere | N | Capacitate de rupere standard (10cel, 400V și) |
| Numărul de poli | 2P | 2 stâlpi (2 protected poles) |
| Curent nominal | 20O | Curent nominal de funcționare: 20 Amperi |
| Curba de deplasare | C | curba C (Trips at 8~12 times rated current, for combined lighting and motor loads) |
| Număr de ordine | 24338 | Original standard order number of Schneider (equivalent to M9F11220) |
Model complet: C60N 2P C20A (Official Standard Model)
Număr de ordine: 24338 (M9F11220)
- Specificatii tehnice principale
| Categoria parametrilor | Specificații detaliate |
| Parametrii de bază | 2-pole miniature circuit breaker, C-type trip curve, rated current 20A |
| Tensiune nominală | AC: 400V (50/60Hz); DC: 125V |
| Capacitate de rupere | 10kA @ 400V AC (conform cu IEC 60947-2) |
| Trip Characteristic | curba C: 8.2In ±20% (In=20A, tripping range: 164~200A) |
| Rezistenta mecanica | 20,000 cicluri de operare |
| Rezistenta electrica | 10,000 operating cycles at rated current |
| Condiții de mediu | Temperatură: -30°C ~ +60°C; Umiditate: ≤95% (necondens) |
| Montare | 35mm Montare pe șină DIN (conform EN 60715) |
| Dimensiuni & Greutate | Înălţime: 85mm; Lăţime: 45mm; Adâncime: 60mm; Greutate: aproximativ. 180g |
| Grad de protectie | IP20 (conform cu IEC 60529) |
| Marine Certifications | Certified by 9 major classification societies including ABS, BV, DNV, GL, LRS, RINA, CCS, KRS |
| Standard Approvals | IEC 60947-2, GB 14048.2, CE, CCC, etc. |
- Marine Features & Scenarii de aplicare
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.
Adaptare largă la temperatură: Operates stably from -30°C to +60°C to cope with harsh marine temperature conditions.
Vibrație & Rezistenta la socuri: Conform IEC 60068-2-6 (Vibrație) și IEC 60068-2-27 (Şoc), applicable to rough working conditions during vessel navigation.
Corrosion Resistance: Special salt-fog resistant housing material extends service life in marine environments.
3.2 Scenarii aplicabile
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, compresoare, fani, navigation equipment, etc.
Yachts & Small Vessels: Meets safety standards for recreational marine craft.
3.3 Scenarii nerecomandate
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).
- Înlocuire & Soluții de upgrade
4.1 Original Schneider Replacements
| Model original | Model de înlocuire | Motivul înlocuirii | Compatibilitate |
| 24338 (C60N 2P C20A) | A9F44220 (iC60N 2P C20A) | Upgraded Acti9 series, breaking capacity increased to 15kA | Identical mounting dimensions, înlocuire directă |
| 24338 (C60N 2P C20A) | M9F11220 (C60N 2P C20A) | Official original model, fully identical to 24338 | 100% compatibil |
| 24338 (C60N 2P C20A) | C60H 2P C20A | Breaking capacity upgraded to 15kA for severe working conditions | Identical mounting dimensions, enhanced breaking performance |
4.2 Înlocuiri între mărci
| Marca | Model de înlocuire | Principalele diferențe | Applicability |
| ABB | S202-C20 | 10kA capacitate de rupere, curba C, 2P 20A | Same mounting size, înlocuire directă |
| Siemens | 5SY6220-7CC | 10kA capacitate de rupere, curba C, 2P 20A | Slight difference in auxiliary functions, consistent basic protection |
| Chint | DZ47-63 2P C20 | Domestic alternative with cost advantage, 6kA capacitate de rupere | For non-critical marine equipment |
- Depanare & Ghid de întreținere
5.1 Diagnosticarea defecțiunilor comune
| Fenomen de eroare | Cauze posibile | Soluții |
| Deplasări frecvente | 1. Sarcină supraîncărcată; 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. Cablaj incorect | 1. Inspect mechanical condition of tripping mechanism; 2. Measure actual operating current; 3. Confirm correct wiring (line in, load out) |
| Supraîncălzire severă | 1. Terminale libere; 2. Contacte oxidate; 3. Exces de temperatură ambientală | 1. Retighten wiring terminals; 2. Curățați contactele; 3. Improve ventilation and heat dissipation |
| Blocaj mecanic | 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
| Articol de întreținere | Ciclu | Operațiunea |
| Inspecție vizuală | Lunar | Check for salt-fog corrosion, cracks and loose components |
| Insulation Resistance Test | Trimestrial | Use megohmmeter to test insulation resistance (value shall be higher than 1MΩ) |
| Contactați Inspecția | Semianual | Check contacts for ablation and oxidation; measure contact resistance |
| Test de funcționare | Anual | Simulate overload and short circuit to verify normal tripping performance |
| Curatenie | Anual | Remove internal dust with dry compressed air; avoid chemical detergents |
- Ghid de selecție & Conformitatea transportului aerian
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.
Conformitatea transportului aerian
Clasificarea transporturilor: Mărfuri nepericuloase. No built-in lithium batteries or supercapacitors, compliant with IATA regulations.
Packaging Requirement: Individual packaging to prevent damage from vibration during transit. Original moisture-proof packaging is recommended.
Documente de certificare: 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 (inclusiv 24338: C60N 2P C20A), covering commonly used pole counts (1P/2P/3P/4P) and current ratings (16A/20A/25A/32A/40A/50A/63A) for bulk selection.
- General Specification List (Marine C-curve)
| Model | Număr de ordine | Polonii | Curent nominal | Capacitate de rupere | Lăţime | Greutate | Marine Certifications | Model de înlocuire (iC60 Series) |
| C60N 1P C16A | M9F11116 | 1P | 16O | 10cel | 18mm | 90g | 9 Classification Societies | A9F74116 |
| C60N 1P C20A | M9F11120 | 1P | 20O | 10cel | 18mm | 90g | 9 Classification Societies | A9F74120 |
| C60N 1P C25A | M9F11125 | 1P | 25O | 10cel | 18mm | 90g | 9 Classification Societies | A9F74125 |
| C60N 1P C32A | M9F11132 | 1P | 32O | 10cel | 18mm | 90g | 9 Classification Societies | A9F74132 |
| C60N 2P C16A | M9F11216 | 2P | 16O | 10cel | 36mm | 180g | 9 Classification Societies | A9F74216 |
| C60N 2P C20A | 24338 / M9F11220 | 2P | 20O | 10cel | 36mm | 180g | 9 Classification Societies | A9F74220 |
| C60N 2P C25A | M9F11225 | 2P | 25O | 10cel | 36mm | 180g | 9 Classification Societies | A9F74225 |
| C60N 2P C32A | M9F11232 | 2P | 32O | 10cel | 36mm | 180g | 9 Classification Societies | A9F74232 |
| C60N 3P C16A | M9F11316 | 3P | 16O | 10cel | 54mm | 270g | 9 Classification Societies | A9F74316 |
| C60N 3P C20A | M9F11320 | 3P | 20O | 10cel | 54mm | 270g | 9 Classification Societies | A9F74320 |
| C60N 3P C25A | M9F11325 | 3P | 25O | 10cel | 54mm | 270g | 9 Classification Societies | A9F74325 |
| C60N 3P C32A | M9F11332 | 3P | 32O | 10cel | 54mm | 270g | 9 Classification Societies | A9F74332 |
| C60N 4P C16A | M9F11416 | 4P | 16O | 10cel | 72mm | 360g | 9 Classification Societies | A9F74416 |
| C60N 4P C20A | M9F11420 | 4P | 20O | 10cel | 72mm | 360g | 9 Classification Societies | A9F74420 |
| C60H 2P C20A | M9F14220 | 2P | 20O | 15cel | 36mm | 180g | 9 Classification Societies | A9F84220 |
| C60H 3P C20A | M9F14320 | 3P | 20O | 15cel | 54mm | 270g | 9 Classification Societies | A9F84320 |
- Comparison of Breaking Capacity & Trip Characteristics
| Serie | Capacitate de rupere | Curba de deplasare | Scenarii de aplicare | Max Rated Current | Nivelul prețurilor |
| C60N | 10kA @ 400V AC | B / C / D | General ship power systems, combined lighting & sarcinile motorului | 63O | Standard |
| C60H | 15kA @ 400V AC | B / C / D | Ship systems with high short-circuit current, de ex. main switchboards | 63O | Standard +15% |
| iC60N | 15kA @ 400V AC | B / C / D | Upgraded replacement for C60N with improved performance | 63O | Standard +20% |
| iC60H | 30kA @ 400V AC | B / C / D | High-standard marine systems and offshore platforms | 63O | Standard +30% |
Trip Curve Description
B-curve: Trips at 3~5 times rated current, for pure resistive loads (iluminat)
curba C: Trips at 8~12 times rated current, for combined lighting and motor loads (cel mai utilizat)
D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers
- Detailed Comparison between 24338 (C60N 2P C20A) & Modele comune
3.1 Same Poles, Different Current Ratings (2P)
| Model | Curent nominal | Trip Current Range | Applicable Loads | Difference vs 24338 |
| C60N 2P C16A | 16O | 128~192A | Iluminat & motor loads below 16A | 20% lower current, more sensitive protection |
| C60N 2P C20A (24338) | 20O | 164~200A | Combined loads below 20A | Configurație standard |
| C60N 2P C25A | 25O | 205~300A | Combined loads of 20~25A | 25% higher current, larger load capacity |
| C60N 2P C32A | 32O | 262~384A | Combined loads of 25~32A | 60% higher current, for higher-power equipment |
3.2 Same Current, Different Pole Counts (20O)
| Model | Polonii | Lăţime | Scenarii de aplicare | Difference vs 24338 |
| C60N 1P C20A | 1P | 18mm | Single-phase lighting & socket circuits | Half width, only live pole protected |
| C60N 2P C20A (24338) | 2P | 36mm | Single-phase motors & echipamente, line and neutral disconnected simultaneously | Configurație standard, protecţie cuprinzătoare |
| C60N 3P C20A | 3P | 54mm | Motoare trifazate & echipamente, 380sisteme V | 50% wider, pentru circuite trifazate |
| C60N 4P C20A | 4P | 72mm | Three-phase four-wire systems with neutral protection | Double width, for circuits requiring neutral pole protection |
3.3 Aceeași specificație, Different Breaking Capacity (2P 20A C)
| Model | Capacitate de rupere | Mediul de aplicare | Price Difference | Difference vs 24338 |
| C60N 2P C20A (24338) | 10cel | General ship systems | Standard | Configurație standard |
| C60H 2P C20A | 15cel | Systems with high short-circuit current | 15% | 50% capacitate de rupere mai mare |
| iC60N 2P C20A | 15cel | Upgraded replacement solution | 20% | New generation product with longer service life |
| iC60H 2P C20A | 30cel | Offshore engineering platforms | 30% | 200% capacitate de rupere mai mare |
- Selection Reference Table for Marine Applications
| Tip de încărcare | Recommended Trip Curve | Recommended Breaking Capacity | Recommended Poles | Reference Current |
| Ship Lighting System | B | C60N (10cel) | 1P / 2P | 6O / 10O / 16O |
| Fani & Pump Motors | C | C60N (10cel) | 3P | 16O / 20O / 25O |
| Compresoare & Air-conditioning Units | C | C60H (15cel) | 3P | 25O / 32O / 40O |
| Navigation & Echipamente de comunicare | B | C60N (10cel) | 1P / 2P | 6O / 10O |
| Branches of Main Switchboard | C | C60H (15cel) | 3P / 4P | 32O / 40O / 50O |
| Emergency Power System | D | C60H (15cel) | 3P | 40O / 50O / 63O |
- Notes for Bulk Selection
- Marine Certifications: All C60 marine models are certified by 9 major classification societies including ABS, BV, DNV, GL, LRS, RINA, CCS and KRS, available for global use.
- Compatibilitate de montare
All models adopt 35mm DIN rail mounting (conform 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 (de ex. 24338 = M9F11220).
Long-term upgrade: Choose iC60N series (de ex. A9F74220 for 24338) with breaking capacity upgraded to 15kA.
Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.
- Adaptabilitate la mediu
Temperatura de functionare: -30°C ~ +60°C, suitable for extreme marine environments.
Vibrație & shock resistance: Conform IEC 60068-2-6 și IEC 60068-2-27.
Design rezistent la ceata salina: 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.
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