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: -30°C a +60°C, suitable for extreme temperature variations in marine environments.
- Explicación del código del modelo
| Segmento | Código | Descripción |
| Product Range | C60 | Disyuntor en miniatura of Multi9 series |
| Capacidad de ruptura | norte | Standard breaking capacity (10el, 400V y) |
| Número de polos | 2PAG | 2 polos (2 postes protegidos) |
| Corriente nominal | 20A | Corriente operativa nominal: 20 amperios |
| Trip Curve | do | curva C (Trips at 8~12 times rated current, for combined lighting and motor loads) |
| Número de orden | 24338 | Original standard order number of Schneider (equivalent to M9F11220) |
Modelo completo: C60N 2P C20A (Official Standard Model)
Número de orden: 24338 (M9F11220)
- Especificaciones técnicas principales
| Categoría de parámetro | Especificaciones detalladas |
| Parámetros básicos | 2-pole miniature circuit breaker, C-type trip curve, rated current 20A |
| Tensión nominal | C.A.: 400V (50/60Hz); corriente continua: 125V |
| Capacidad de ruptura | 10kA @ 400V AC (Cumple con IEC 60947-2) |
| Característica del viaje | curva C: 8.2In ±20% (En=20A, tripping range: 164~200A) |
| Resistencia mecánica | 20,000 ciclos de operación |
| Resistencia eléctrica | 10,000 operating cycles at rated current |
| Condiciones ambientales | Temperatura: -30°C ~ +60°C; Humedad: ≤95% (sin condensación) |
| Montaje | 35mm montaje en carril DIN (compatible con EN 60715) |
| Dimensiones & Peso | Altura: 85milímetros; Ancho: 45milímetros; Profundidad: 60milímetros; Peso: aprox. 180gramo |
| Grado de protección | IP20 (Cumple con IEC 60529) |
| Marine Certifications | Certified by 9 major classification societies including ABS, BV, DNV, GL, LRS, RINA, CCS, KRS |
| Standard Approvals | CEI 60947-2, ES 14048.2, CE, CCC, etc.. |
- Marine Features & Escenarios de aplicación
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.
Amplia adaptación a la temperatura: Operates stably from -30°C to +60°C to cope with harsh marine temperature conditions.
Vibración & Resistencia a los golpes: Cumple con IEC 60068-2-6 (Vibración) y CEI 60068-2-27 (Choque), applicable to rough working conditions during vessel navigation.
Corrosion Resistance: Special salt-fog resistant housing material extends service life in marine environments.
3.2 Escenarios aplicables
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, compresores, fans, navigation equipment, etc..
Yachts & Small Vessels: Meets safety standards for recreational marine craft.
3.3 Escenarios no recomendados
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).
- Reemplazo & Soluciones de actualización
4.1 Original Schneider Replacements
| Modelo Original | Modelo de reemplazo | Reason for Replacement | Compatibilidad |
| 24338 (C60N 2P C20A) | A9F44220 (iC60N 2P C20A) | Upgraded Acti9 series, breaking capacity increased to 15kA | Identical mounting dimensions, reemplazo directo |
| 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 | Identical mounting dimensions, enhanced breaking performance |
4.2 Reemplazos entre marcas
| Marca | Modelo de reemplazo | Principales diferencias | Aplicabilidad |
| TEJIDO | S202-C20 | 10kA capacidad de corte, curva C, 2P 20A | Same mounting size, reemplazo directo |
| siemens | 5SY6220-7CC | 10kA capacidad de corte, curva C, 2P 20A | Slight difference in auxiliary functions, consistent basic protection |
| chint | DZ47-63 2P C20 | Domestic alternative with cost advantage, 6kA capacidad de corte | For non-critical marine equipment |
- Solución de problemas & Pautas de mantenimiento
5.1 Diagnóstico de fallas comunes
| Fenómeno de falla | Posibles causas | Soluciones |
| Tropiezos frecuentes | 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. Cableado incorrecto | 1. Inspect mechanical condition of tripping mechanism; 2. Measure actual operating current; 3. Confirm correct wiring (line in, load out) |
| Severe overheating | 1. Terminales sueltos; 2. Contactos oxidados; 3. Excess ambient temperature | 1. Retighten wiring terminals; 2. Contactos limpios; 3. Improve ventilation and heat dissipation |
| Atasco mecánico | 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
| Artículo de mantenimiento | Ciclo | Operación |
| Inspección visual | Mensual | Check for salt-fog corrosion, cracks and loose components |
| Insulation Resistance Test | Trimestral | Use megohmmeter to test insulation resistance (value shall be higher than 1MΩ) |
| Inspección de contacto | Semi-annually | Check contacts for ablation and oxidation; measure contact resistance |
| Prueba de funcionamiento | Annually | Simulate overload and short circuit to verify normal tripping performance |
| Limpieza | Annually | Remove internal dust with dry compressed air; Evite los detergentes químicos. |
- Guía de selección & Cumplimiento del transporte aéreo
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.
Cumplimiento del transporte aéreo
Clasificación de transporte: Mercancías no peligrosas. No built-in lithium batteries or supercapacitors, compliant with IATA regulations.
Requisito de embalaje: Individual packaging to prevent damage from vibration during transit. Original moisture-proof packaging is recommended.
Documentos de certificación: 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 (incluido 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)
| Modelo | Número de orden | polacos | Corriente nominal | Capacidad de ruptura | Ancho | Peso | Marine Certifications | Modelo de reemplazo (iC60 Series) |
| C60N 1P C16A | M9F11116 | 1PAG | 16A | 10el | 18milímetros | 90gramo | 9 Classification Societies | A9F74116 |
| C60N 1P C20A | M9F11120 | 1PAG | 20A | 10el | 18milímetros | 90gramo | 9 Classification Societies | A9F74120 |
| C60N 1P C25A | M9F11125 | 1PAG | 25A | 10el | 18milímetros | 90gramo | 9 Classification Societies | A9F74125 |
| C60N 1P C32A | M9F11132 | 1PAG | 32A | 10el | 18milímetros | 90gramo | 9 Classification Societies | A9F74132 |
| C60N 2P C16A | M9F11216 | 2PAG | 16A | 10el | 36milímetros | 180gramo | 9 Classification Societies | A9F74216 |
| C60N 2P C20A | 24338 / M9F11220 | 2PAG | 20A | 10el | 36milímetros | 180gramo | 9 Classification Societies | A9F74220 |
| C60N 2P C25A | M9F11225 | 2PAG | 25A | 10el | 36milímetros | 180gramo | 9 Classification Societies | A9F74225 |
| C60N 2P C32A | M9F11232 | 2PAG | 32A | 10el | 36milímetros | 180gramo | 9 Classification Societies | A9F74232 |
| C60N 3P C16A | M9F11316 | 3PAG | 16A | 10el | 54milímetros | 270gramo | 9 Classification Societies | A9F74316 |
| C60N 3P C20A | M9F11320 | 3PAG | 20A | 10el | 54milímetros | 270gramo | 9 Classification Societies | A9F74320 |
| C60N 3P C25A | M9F11325 | 3PAG | 25A | 10el | 54milímetros | 270gramo | 9 Classification Societies | A9F74325 |
| C60N 3P C32A | M9F11332 | 3PAG | 32A | 10el | 54milímetros | 270gramo | 9 Classification Societies | A9F74332 |
| C60N 4P C16A | M9F11416 | 4PAG | 16A | 10el | 72milímetros | 360gramo | 9 Classification Societies | A9F74416 |
| C60N 4P C20A | M9F11420 | 4PAG | 20A | 10el | 72milímetros | 360gramo | 9 Classification Societies | A9F74420 |
| C60H 2P C20A | M9F14220 | 2PAG | 20A | 15el | 36milímetros | 180gramo | 9 Classification Societies | A9F84220 |
| C60H 3P C20A | M9F14320 | 3PAG | 20A | 15el | 54milímetros | 270gramo | 9 Classification Societies | A9F84320 |
- Comparison of Breaking Capacity & Características del viaje
| Serie | Capacidad de ruptura | Trip Curve | Escenarios de aplicación | Max Rated Current | Nivel de precio |
| C60N | 10kA @ 400V AC | B / do / D | General ship power systems, combined lighting & motor loads | 63A | Estándar |
| C60H | 15kA @ 400V AC | B / do / D | Ship systems with high short-circuit current, p.ej. main switchboards | 63A | Estándar +15% |
| iC60N | 15kA @ 400V AC | B / do / D | Upgraded replacement for C60N with improved performance | 63A | Estándar +20% |
| iC60H | 30kA @ 400V AC | B / do / D | High-standard marine systems and offshore platforms | 63A | Estándar +30% |
Trip Curve Description
B-curve: Trips at 3~5 times rated current, for pure resistive loads (iluminación)
curva C: Trips at 8~12 times rated current, for combined lighting and motor loads (más utilizado)
D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers
- Detailed Comparison between 24338 (C60N 2P C20A) & Modelos comunes
3.1 Same Poles, Different Current Ratings (2PAG)
| Modelo | Corriente nominal | Trip Current Range | Cargas aplicables | Difference vs 24338 |
| C60N 2P C16A | 16A | 128~192A | Iluminación & motor loads below 16A | 20% lower current, more sensitive protection |
| C60N 2P C20A (24338) | 20A | 164~200A | Combined loads below 20A | Configuración estándar |
| C60N 2P C25A | 25A | 205~300A | Combined loads of 20~25A | 25% higher current, larger load capacity |
| C60N 2P C32A | 32A | 262~384A | Combined loads of 25~32A | 60% higher current, for higher-power equipment |
3.2 Misma corriente, Different Pole Counts (20A)
| Modelo | polacos | Ancho | Escenarios de aplicación | Difference vs 24338 |
| C60N 1P C20A | 1PAG | 18milímetros | Single-phase lighting & circuitos de enchufe | Half width, only live pole protected |
| C60N 2P C20A (24338) | 2PAG | 36milímetros | Single-phase motors & equipo, line and neutral disconnected simultaneously | Configuración estándar, protección integral |
| C60N 3P C20A | 3PAG | 54milímetros | Motores trifásicos & equipo, 380sistemas V | 50% wider, for three-phase circuits |
| C60N 4P C20A | 4PAG | 72milímetros | Three-phase four-wire systems with neutral protection | Double width, for circuits requiring neutral pole protection |
3.3 Misma especificación, Different Breaking Capacity (2P 20A C)
| Modelo | Capacidad de ruptura | Entorno de aplicación | Diferencia de precio | Difference vs 24338 |
| C60N 2P C20A (24338) | 10el | General ship systems | Estándar | Configuración estándar |
| C60H 2P C20A | 15el | Systems with high short-circuit current | 15% | 50% mayor capacidad de rotura |
| iC60N 2P C20A | 15el | Upgraded replacement solution | 20% | New generation product with longer service life |
| iC60H 2P C20A | 30el | Offshore engineering platforms | 30% | 200% mayor capacidad de rotura |
- Selection Reference Table for Marine Applications
| Tipo de carga | Recommended Trip Curve | Recommended Breaking Capacity | Recommended Poles | Reference Current |
| Ship Lighting System | B | C60N (10el) | 1PAG / 2PAG | 6A / 10A / 16A |
| aficionados & Pump Motors | do | C60N (10el) | 3PAG | 16A / 20A / 25A |
| Compresores & Air-conditioning Units | do | C60H (15el) | 3PAG | 25A / 32A / 40A |
| Navigation & Communication Equipment | B | C60N (10el) | 1PAG / 2PAG | 6A / 10A |
| Branches of Main Switchboard | do | C60H (15el) | 3PAG / 4PAG | 32A / 40A / 50A |
| Emergency Power System | D | C60H (15el) | 3PAG | 40A / 50A / 63A |
- 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.
- Compatibilidad de montaje
All models adopt 35mm DIN rail mounting (compatible con EN 60715).
Width varies by pole count: 1P=18mm, 2P=36mm, 3P=54mm, 4Largo=72mm.
Uniform dimensions: Altura 85 mm, Depth 60mm.
- Replacement Strategy
Short-term replacement: Prioritize identical models from the same series (p.ej. 24338 = M9F11220).
Long-term upgrade: Choose iC60N series (p.ej. A9F74220 for 24338) with breaking capacity upgraded to 15kA.
Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.
- Adaptabilidad ambiental
Temperatura de funcionamiento: -30°C ~ +60°C, suitable for extreme marine environments.
Vibración & resistencia a los golpes: Cumple con IEC 60068-2-6 y 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.
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