Contacteur,disjoncteur,onduleur solaire,compteur électrique,batteries solaires
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.
Large plage de températures de fonctionnement: -30°C à +60°C, suitable for extreme temperature variations in marine environments.
- Explication du code modèle
| Segment | Code | Description |
| Product Range | C60 | Disjoncteur miniature of Multi9 series |
| Capacité de coupure | N | Pouvoir de coupure standard (10le, 400V et) |
| Nombre de pôles | 2P. | 2 poteaux (2 poteaux protégés) |
| Courant nominal | 20UN | Courant de fonctionnement nominal: 20 Amperes |
| Courbe de déplacement | C | Courbe C (Trips at 8~12 times rated current, for combined lighting and motor loads) |
| Numéro de commande | 24338 | Original standard order number of Schneider (equivalent to M9F11220) |
Modèle complet: C60N 2P C20A (Official Standard Model)
Numéro de commande: 24338 (M9F11220)
- Principales spécifications techniques
| Catégorie de paramètre | Spécifications détaillées |
| Paramètres de base | 2-pole miniature circuit breaker, C-type trip curve, rated current 20A |
| Tension nominale | CA: 400V (50/60HZ); CC: 125V |
| Capacité de coupure | 10kA @ 400V AC (conforme à la CEI 60947-2) |
| Caractéristique du voyage | Courbe C: 8.2In ±20% (In=20A, tripping range: 164~200A) |
| Endurance mécanique | 20,000 cycles de fonctionnement |
| Endurance électrique | 10,000 operating cycles at rated current |
| Conditions ambiantes | Température: -30°C ~ +60°C; Humidité: ≤95% (sans condensation) |
| Montage | 35mm Montage sur rail DIN (conforme à la norme EN 60715) |
| Dimensions & Poids | Hauteur: 85mm; Largeur: 45mm; Profondeur: 60mm; Poids: environ. 180g |
| Degré de protection | IP20 (conforme à la CEI 60529) |
| Marine Certifications | Certified by 9 major classification societies including ABS, BV, DNV, GL, LRS, RINA, CCS, KRS |
| Standard Approvals | CEI 60947-2, FR 14048.2, CE, CCC, etc.. |
- Marine Features & Scénarios d'application
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.
Large adaptation à la température: Operates stably from -30°C to +60°C to cope with harsh marine temperature conditions.
Vibration & Résistance aux chocs: Conforme à la CEI 60068-2-6 (Vibration) et CEI 60068-2-27 (Choc), applicable to rough working conditions during vessel navigation.
Corrosion Resistance: Special salt-fog resistant housing material extends service life in marine environments.
3.2 Scénarios applicables
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, compresseurs, les fans, navigation equipment, etc..
Yachts & Small Vessels: Meets safety standards for recreational marine craft.
3.3 Scénarios non recommandés
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).
- Remplacement & Upgrade Solutions
4.1 Original Schneider Replacements
| Modèle original | Modèle de remplacement | Raison du remplacement | Compatibilité |
| 24338 (C60N 2P C20A) | A9F44220 (iC60N 2P C20A) | Upgraded Acti9 series, breaking capacity increased to 15kA | Dimensions de montage identiques, remplacement direct |
| 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 | Dimensions de montage identiques, enhanced breaking performance |
4.2 Cross-brand Replacements
| Marque | Modèle de remplacement | Principales différences | Applicability |
| ABB | S202-C20 | 10kA pouvoir de coupure, Courbe C, 2P 20A | Same mounting size, remplacement direct |
| Siemens | 5SY6220-7CC | 10kA pouvoir de coupure, Courbe C, 2P 20A | Slight difference in auxiliary functions, consistent basic protection |
| Chint | DZ47-63 2P C20 | Domestic alternative with cost advantage, 6kA pouvoir de coupure | For non-critical marine equipment |
- Dépannage & Directives d'entretien
5.1 Diagnostic de panne courant
| Phénomène de défaut | Causes possibles | Solutions |
| Déclenchements fréquents | 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. Câblage incorrect | 1. Inspect mechanical condition of tripping mechanism; 2. Measure actual operating current; 3. Confirm correct wiring (line in, load out) |
| Severe overheating | 1. Bornes lâches; 2. Oxidized contacts; 3. Excess ambient temperature | 1. Retighten wiring terminals; 2. Nettoyer les contacts; 3. Improve ventilation and heat dissipation |
| Bourrage mécanique | 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
| Article d'entretien | Faire du vélo | Opération |
| Inspection visuelle | Mensuel | Check for salt-fog corrosion, cracks and loose components |
| Insulation Resistance Test | Trimestriel | Use megohmmeter to test insulation resistance (value shall be higher than 1MΩ) |
| Contactez-nous | Semestriellement | Check contacts for ablation and oxidation; measure contact resistance |
| Test de fonctionnement | Annuellement | Simulate overload and short circuit to verify normal tripping performance |
| Nettoyage | Annuellement | Remove internal dust with dry compressed air; avoid chemical detergents |
- Guide de sélection & Conformité du fret aérien
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.
Conformité du fret aérien
Transport Classification: Marchandises non dangereuses. No built-in lithium batteries or supercapacitors, compliant with IATA regulations.
Exigence d'emballage: Individual packaging to prevent damage from vibration during transit. Original moisture-proof packaging is recommended.
Documents de certification: 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 (y compris 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)
| Modèle | Numéro de commande | Poteaux | Courant nominal | Capacité de coupure | Largeur | Poids | Marine Certifications | Modèle de remplacement (iC60 Series) |
| C60N 1P C16A | M9F11116 | 1P. | 16UN | 10le | 18mm | 90g | 9 Classification Societies | A9F74116 |
| C60N 1P C20A | M9F11120 | 1P. | 20UN | 10le | 18mm | 90g | 9 Classification Societies | A9F74120 |
| C60N 1P C25A | M9F11125 | 1P. | 25UN | 10le | 18mm | 90g | 9 Classification Societies | A9F74125 |
| C60N 1P C32A | M9F11132 | 1P. | 32UN | 10le | 18mm | 90g | 9 Classification Societies | A9F74132 |
| C60N 2P C16A | M9F11216 | 2P. | 16UN | 10le | 36mm | 180g | 9 Classification Societies | A9F74216 |
| C60N 2P C20A | 24338 / M9F11220 | 2P. | 20UN | 10le | 36mm | 180g | 9 Classification Societies | A9F74220 |
| C60N 2P C25A | M9F11225 | 2P. | 25UN | 10le | 36mm | 180g | 9 Classification Societies | A9F74225 |
| C60N 2P C32A | M9F11232 | 2P. | 32UN | 10le | 36mm | 180g | 9 Classification Societies | A9F74232 |
| C60N 3P C16A | M9F11316 | 3P. | 16UN | 10le | 54mm | 270g | 9 Classification Societies | A9F74316 |
| C60N 3P C20A | M9F11320 | 3P. | 20UN | 10le | 54mm | 270g | 9 Classification Societies | A9F74320 |
| C60N 3P C25A | M9F11325 | 3P. | 25UN | 10le | 54mm | 270g | 9 Classification Societies | A9F74325 |
| C60N 3P C32A | M9F11332 | 3P. | 32UN | 10le | 54mm | 270g | 9 Classification Societies | A9F74332 |
| C60N 4P C16A | M9F11416 | 4P. | 16UN | 10le | 72mm | 360g | 9 Classification Societies | A9F74416 |
| C60N 4P C20A | M9F11420 | 4P. | 20UN | 10le | 72mm | 360g | 9 Classification Societies | A9F74420 |
| C60H 2P C20A | M9F14220 | 2P. | 20UN | 15le | 36mm | 180g | 9 Classification Societies | A9F84220 |
| C60H 3P C20A | M9F14320 | 3P. | 20UN | 15le | 54mm | 270g | 9 Classification Societies | A9F84320 |
- Comparison of Breaking Capacity & Caractéristiques du voyage
| Série | Capacité de coupure | Courbe de déplacement | Scénarios d'application | Max Rated Current | Niveau de prix |
| C60N | 10kA @ 400V AC | B / C / D | General ship power systems, combined lighting & motor loads | 63UN | Standard |
| C60H | 15kA @ 400V AC | B / C / D | Ship systems with high short-circuit current, par exemple. main switchboards | 63UN | Standard +15% |
| iC60N | 15kA @ 400V AC | B / C / D | Upgraded replacement for C60N with improved performance | 63UN | Standard +20% |
| iC60H | 30kA @ 400V AC | B / C / D | High-standard marine systems and offshore platforms | 63UN | Standard +30% |
Trip Curve Description
B-curve: Trips at 3~5 times rated current, for pure resistive loads (éclairage)
Courbe C: Trips at 8~12 times rated current, for combined lighting and motor loads (le plus largement utilisé)
D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers
- Detailed Comparison between 24338 (C60N 2P C20A) & Modèles courants
3.1 Same Poles, Different Current Ratings (2P.)
| Modèle | Courant nominal | Trip Current Range | Applicable Loads | Différence par rapport à 24338 |
| C60N 2P C16A | 16UN | 128~192A | Éclairage & motor loads below 16A | 20% lower current, more sensitive protection |
| C60N 2P C20A (24338) | 20UN | 164~200A | Combined loads below 20A | Configuration standard |
| C60N 2P C25A | 25UN | 205~300A | Combined loads of 20~25A | 25% higher current, larger load capacity |
| C60N 2P C32A | 32UN | 262~384A | Combined loads of 25~32A | 60% higher current, for higher-power equipment |
3.2 Same Current, Different Pole Counts (20UN)
| Modèle | Poteaux | Largeur | Scénarios d'application | Différence par rapport à 24338 |
| C60N 1P C20A | 1P. | 18mm | Single-phase lighting & circuits de prise | Half width, only live pole protected |
| C60N 2P C20A (24338) | 2P. | 36mm | Single-phase motors & équipement, line and neutral disconnected simultaneously | Configuration standard, protection complète |
| C60N 3P C20A | 3P. | 54mm | Three-phase motors & équipement, 380Systèmes V | 50% wider, for three-phase circuits |
| C60N 4P C20A | 4P. | 72mm | 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)
| Modèle | Capacité de coupure | Environnement d'application | Différence de prix | Différence par rapport à 24338 |
| C60N 2P C20A (24338) | 10le | General ship systems | Standard | Configuration standard |
| C60H 2P C20A | 15le | Systems with high short-circuit current | 15% | 50% pouvoir de coupure plus élevé |
| iC60N 2P C20A | 15le | Upgraded replacement solution | 20% | New generation product with longer service life |
| iC60H 2P C20A | 30le | Offshore engineering platforms | 30% | 200% pouvoir de coupure plus élevé |
- Selection Reference Table for Marine Applications
| Type de charge | Recommended Trip Curve | Recommended Breaking Capacity | Recommended Poles | Reference Current |
| Ship Lighting System | B | C60N (10le) | 1P. / 2P. | 6UN / 10UN / 16UN |
| Ventilateurs & Pump Motors | C | C60N (10le) | 3P. | 16UN / 20UN / 25UN |
| Compresseurs & Air-conditioning Units | C | C60H (15le) | 3P. | 25UN / 32UN / 40UN |
| Navigation & Équipement de communication | B | C60N (10le) | 1P. / 2P. | 6UN / 10UN |
| Branches of Main Switchboard | C | C60H (15le) | 3P. / 4P. | 32UN / 40UN / 50UN |
| Emergency Power System | D | C60H (15le) | 3P. | 40UN / 50UN / 63UN |
- 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.
- Compatibilité de montage
All models adopt 35mm DIN rail mounting (conforme à la norme 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 (par exemple. 24338 = M9F11220).
Long-term upgrade: Choose iC60N series (par exemple. A9F74220 for 24338) with breaking capacity upgraded to 15kA.
Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.
- Adaptabilité environnementale
Température de fonctionnement: -30°C ~ +60°C, suitable for extreme marine environments.
Vibration & shock resistance: Conforme à la CEI 60068-2-6 et CEI 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.
