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.
Großer Betriebstemperaturbereich: -30°C bis +60°C, suitable for extreme temperature variations in marine environments.
- Erklärung des Modellcodes
| Segment | Code | Beschreibung |
| Product Range | C60 | Miniatur-Leistungsschalter of Multi9 series |
| Bruchkapazität | N | Standard breaking capacity (10Die, 400V und) |
| Anzahl der Pole | 2P | 2 Stangen (2 protected poles) |
| Nennstrom | 20A | Bemessungsbetriebsstrom: 20 Ampere |
| Trip Curve | C | C-Kurve (Trips at 8~12 times rated current, for combined lighting and motor loads) |
| Bestellnummer | 24338 | Original standard order number of Schneider (equivalent to M9F11220) |
Vollständiges Modell: C60N 2P C20A (Official Standard Model)
Bestellnummer: 24338 (M9F11220)
- Wichtigste technische Spezifikationen
| Parameterkategorie | Detaillierte Spezifikationen |
| Grundparameter | 2-pole miniature circuit breaker, C-type trip curve, rated current 20A |
| Nennspannung | Wechselstrom: 400V (50/60Hz); Gleichstrom: 125V |
| Bruchkapazität | 10kA @ 400V AC (konform mit IEC 60947-2) |
| Reisecharakteristik | C-Kurve: 8.2In ±20% (Ein=20A, tripping range: 164~200A) |
| Mechanische Ausdauer | 20,000 Betriebszyklen |
| Elektrische Ausdauer | 10,000 operating cycles at rated current |
| Umgebungsbedingungen | Temperatur: -30°C ~ +60°C; Luftfeuchtigkeit: ≤95 % (nicht kondensierend) |
| Montage | 35mm DIN-Schienenmontage (konform mit EN 60715) |
| Abmessungen & Gewicht | Höhe: 85mm; Breite: 45mm; Tiefe: 60mm; Gewicht: ca. 180G |
| Schutzgrad | IP20 (konform mit 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, usw. |
- Marine Features & Anwendungsszenarien
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.
Wide Temperature Adaptation: Operates stably from -30°C to +60°C to cope with harsh marine temperature conditions.
Vibration & Schockfestigkeit: Konform mit IEC 60068-2-6 (Vibration) und IEC 60068-2-27 (Schock), applicable to rough working conditions during vessel navigation.
Corrosion Resistance: Special salt-fog resistant housing material extends service life in marine environments.
3.2 Anwendbare Szenarien
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, Kompressoren, Fans, navigation equipment, usw.
Yachts & Small Vessels: Meets safety standards for recreational marine craft.
3.3 Nicht empfohlene Szenarien
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).
- Ersatz & Upgrade-Lösungen
4.1 Original Schneider Replacements
| Originalmodell | Ersatzmodell | Grund für den Austausch | Kompatibilität |
| 24338 (C60N 2P C20A) | A9F44220 (iC60N 2P C20A) | Upgraded Acti9 series, breaking capacity increased to 15kA | Identische Einbaumaße, Direkter Ersatz |
| 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 | Identische Einbaumaße, enhanced breaking performance |
4.2 Cross-brand Replacements
| Marke | Ersatzmodell | Hauptunterschiede | Applicability |
| ABB | S202-C20 | 10kA-Ausschaltvermögen, C-Kurve, 2P 20A | Same mounting size, Direkter Ersatz |
| Siemens | 5SY6220-7CC | 10kA-Ausschaltvermögen, C-Kurve, 2P 20A | Slight difference in auxiliary functions, consistent basic protection |
| Chint | DZ47-63 2P C20 | Domestic alternative with cost advantage, 6kA-Ausschaltvermögen | For non-critical marine equipment |
- Fehlerbehebung & Wartungsrichtlinien
5.1 Häufige Fehlerdiagnose
| Fehlerphänomen | Mögliche Ursachen | Lösungen |
| Häufiges Stolpern | 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. Falsche Verkabelung | 1. Inspect mechanical condition of tripping mechanism; 2. Measure actual operating current; 3. Confirm correct wiring (line in, load out) |
| Severe overheating | 1. Lose Anschlüsse; 2. Oxidized contacts; 3. Zu hohe Umgebungstemperatur | 1. Retighten wiring terminals; 2. Kontakte reinigen; 3. Verbessern Sie die Belüftung und Wärmeableitung |
| Mechanische Blockierung | 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
| Wartungsartikel | Zyklus | Betrieb |
| Visuelle Inspektion | Monatlich | Check for salt-fog corrosion, cracks and loose components |
| Insulation Resistance Test | Vierteljährlich | Use megohmmeter to test insulation resistance (value shall be higher than 1MΩ) |
| Wenden Sie sich an die Inspektion | Halbjährlich | Check contacts for ablation and oxidation; measure contact resistance |
| Funktionstest | Jährlich | Simulate overload and short circuit to verify normal tripping performance |
| Reinigung | Jährlich | Remove internal dust with dry compressed air; Vermeiden Sie chemische Reinigungsmittel |
- Auswahlhilfe & Luftfracht-Compliance
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.
Luftfracht-Compliance
Transport Classification: Ungefährliche Güter. No built-in lithium batteries or supercapacitors, compliant with IATA regulations.
Verpackungsanforderung: Individual packaging to prevent damage from vibration during transit. Original moisture-proof packaging is recommended.
Zertifizierungsdokumente: 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 (einschließlich 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)
| Modell | Bestellnummer | Polen | Nennstrom | Bruchkapazität | Breite | Gewicht | Marine Certifications | Ersatzmodell (iC60 Series) |
| C60N 1P C16A | M9F11116 | 1P | 16A | 10Die | 18mm | 90G | 9 Classification Societies | A9F74116 |
| C60N 1P C20A | M9F11120 | 1P | 20A | 10Die | 18mm | 90G | 9 Classification Societies | A9F74120 |
| C60N 1P C25A | M9F11125 | 1P | 25A | 10Die | 18mm | 90G | 9 Classification Societies | A9F74125 |
| C60N 1P C32A | M9F11132 | 1P | 32A | 10Die | 18mm | 90G | 9 Classification Societies | A9F74132 |
| C60N 2P C16A | M9F11216 | 2P | 16A | 10Die | 36mm | 180G | 9 Classification Societies | A9F74216 |
| C60N 2P C20A | 24338 / M9F11220 | 2P | 20A | 10Die | 36mm | 180G | 9 Classification Societies | A9F74220 |
| C60N 2P C25A | M9F11225 | 2P | 25A | 10Die | 36mm | 180G | 9 Classification Societies | A9F74225 |
| C60N 2P C32A | M9F11232 | 2P | 32A | 10Die | 36mm | 180G | 9 Classification Societies | A9F74232 |
| C60N 3P C16A | M9F11316 | 3P | 16A | 10Die | 54mm | 270G | 9 Classification Societies | A9F74316 |
| C60N 3P C20A | M9F11320 | 3P | 20A | 10Die | 54mm | 270G | 9 Classification Societies | A9F74320 |
| C60N 3P C25A | M9F11325 | 3P | 25A | 10Die | 54mm | 270G | 9 Classification Societies | A9F74325 |
| C60N 3P C32A | M9F11332 | 3P | 32A | 10Die | 54mm | 270G | 9 Classification Societies | A9F74332 |
| C60N 4P C16A | M9F11416 | 4P | 16A | 10Die | 72mm | 360G | 9 Classification Societies | A9F74416 |
| C60N 4P C20A | M9F11420 | 4P | 20A | 10Die | 72mm | 360G | 9 Classification Societies | A9F74420 |
| C60H 2P C20A | M9F14220 | 2P | 20A | 15Die | 36mm | 180G | 9 Classification Societies | A9F84220 |
| C60H 3P C20A | M9F14320 | 3P | 20A | 15Die | 54mm | 270G | 9 Classification Societies | A9F84320 |
- Comparison of Breaking Capacity & Reisemerkmale
| Serie | Bruchkapazität | Trip Curve | Anwendungsszenarien | Max Rated Current | Preisniveau |
| C60N | 10kA @ 400V AC | B / C / D | General ship power systems, combined lighting & Motorlasten | 63A | Standard |
| C60H | 15kA @ 400V AC | B / C / D | Ship systems with high short-circuit current, z.B. main switchboards | 63A | Standard +15% |
| iC60N | 15kA @ 400V AC | B / C / D | Upgraded replacement for C60N with improved performance | 63A | Standard +20% |
| iC60H | 30kA @ 400V AC | B / C / D | High-standard marine systems and offshore platforms | 63A | Standard +30% |
Trip Curve Description
B-curve: Trips at 3~5 times rated current, for pure resistive loads (Beleuchtung)
C-Kurve: Trips at 8~12 times rated current, for combined lighting and motor loads (am weitesten verbreitet)
D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers
- Detailed Comparison between 24338 (C60N 2P C20A) & Gängige Modelle
3.1 Same Poles, Different Current Ratings (2P)
| Modell | Nennstrom | Trip Current Range | Applicable Loads | Difference vs 24338 |
| C60N 2P C16A | 16A | 128~192A | Beleuchtung & motor loads below 16A | 20% lower current, more sensitive protection |
| C60N 2P C20A (24338) | 20A | 164~200A | Combined loads below 20A | Standardkonfiguration |
| 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 Gleicher Strom, Different Pole Counts (20A)
| Modell | Polen | Breite | Anwendungsszenarien | Difference vs 24338 |
| C60N 1P C20A | 1P | 18mm | Single-phase lighting & Steckdosenschaltungen | Half width, only live pole protected |
| C60N 2P C20A (24338) | 2P | 36mm | Single-phase motors & Ausrüstung, line and neutral disconnected simultaneously | Standardkonfiguration, umfassender Schutz |
| C60N 3P C20A | 3P | 54mm | Drehstrommotoren & Ausrüstung, 380V-Systeme | 50% wider, für Drehstromkreise |
| C60N 4P C20A | 4P | 72mm | Three-phase four-wire systems with neutral protection | Double width, for circuits requiring neutral pole protection |
3.3 Gleiche Spezifikation, Different Breaking Capacity (2P 20A C)
| Modell | Bruchkapazität | Anwendungsumgebung | Preisunterschied | Difference vs 24338 |
| C60N 2P C20A (24338) | 10Die | General ship systems | Standard | Standardkonfiguration |
| C60H 2P C20A | 15Die | Systems with high short-circuit current | 15% | 50% höhere Bruchkapazität |
| iC60N 2P C20A | 15Die | Upgraded replacement solution | 20% | New generation product with longer service life |
| iC60H 2P C20A | 30Die | Offshore engineering platforms | 30% | 200% höhere Bruchkapazität |
- Selection Reference Table for Marine Applications
| Lasttyp | Recommended Trip Curve | Recommended Breaking Capacity | Recommended Poles | Reference Current |
| Ship Lighting System | B | C60N (10Die) | 1P / 2P | 6A / 10A / 16A |
| Fans & Pump Motors | C | C60N (10Die) | 3P | 16A / 20A / 25A |
| Kompressoren & Air-conditioning Units | C | C60H (15Die) | 3P | 25A / 32A / 40A |
| Navigation & Kommunikationsausrüstung | B | C60N (10Die) | 1P / 2P | 6A / 10A |
| Branches of Main Switchboard | C | C60H (15Die) | 3P / 4P | 32A / 40A / 50A |
| Emergency Power System | D | C60H (15Die) | 3P | 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.
- Montagekompatibilität
All models adopt 35mm DIN rail mounting (konform mit EN 60715).
Width varies by pole count: 1P=18mm, 2P=36mm, 3P=54mm, 4P=72mm.
Uniform dimensions: Height 85mm, Depth 60mm.
- Ersatzstrategie
Short-term replacement: Prioritize identical models from the same series (z.B. 24338 = M9F11220).
Long-term upgrade: Choose iC60N series (z.B. A9F74220 for 24338) with breaking capacity upgraded to 15kA.
Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.
- Umweltanpassungsfähigkeit
Betriebstemperatur: -30°C ~ +60°C, suitable for extreme marine environments.
Vibration & stoßfestigkeit: Konform mit IEC 60068-2-6 und IEC 60068-2-27.
Salznebelbeständiges 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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