Schneider Marine-grade Circuit Breaker 24338

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.

Ampio intervallo di temperature operative: -30°C fino a +60°C, suitable for extreme temperature variations in marine environments.

1. Spiegazione del codice modello

Modello completo: C60N 2P C20A (Official Standard Model)

Numero d'ordine: 24338 (M9F11220)

2. Principali Specifiche Tecniche

3. Marine Features & Scenari applicativi

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.

Vibrazione & Resistenza agli urti: Conforme alla norma CEI 60068-2-6 (Vibrazione) e CEI 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 Scenari applicabili

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, compressori, tifosi, navigation equipment, ecc.

Yachts & Small Vessels: Meets safety standards for recreational marine craft.

3.3 Scenari non consigliati

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).

4. Sostituzione & Soluzioni di aggiornamento

4.1 Original Schneider Replacements

4.2 Cross-brand Replacements

5. Risoluzione dei problemi & Linee guida per la manutenzione

5.1 Common Fault Diagnosis

5.2 Maintenance Recommendations for Marine Environments

6. Guida alla selezione & Conformità del trasporto aereo

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.

Conformità del trasporto aereo

Transport Classification: Merci non pericolose. 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.

Documenti di certificazione: 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 (compreso 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.

1. General Specification List (Marine C-curve)

2. Comparison of Breaking Capacity & Caratteristiche del viaggio

Trip Curve Description

B-curve: Trips at 3~5 times rated current, for pure resistive loads (illuminazione)

Curva a C: Trips at 8~12 times rated current, for combined lighting and motor loads (più ampiamente utilizzato)

D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers

3. Detailed Comparison between 24338 (C60N 2P C20A) & Modelli comuni

3.1 Same Poles, Different Current Ratings (2P)

3.2 Same Current, Different Pole Counts (20UN)

3.3 Same Specification, Different Breaking Capacity (2P 20A C)

4. Selection Reference Table for Marine Applications

5. Notes for Bulk Selection
6. 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.
7. Compatibilità di montaggio

All models adopt 35mm DIN rail mounting (conforme alla norma EN 60715).

Width varies by pole count: 1P=18mm, 2P=36mm, 3P=54mm, 4P=72mm.

Uniform dimensions: Altezza 85 mm, Depth 60mm.

3. Strategia di sostituzione

Short-term replacement: Prioritize identical models from the same series (per esempio. 24338 = M9F11220).

Long-term upgrade: Choose iC60N series (per esempio. A9F74220 for 24338) with breaking capacity upgraded to 15kA.

Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.

4. Adattabilità ambientale

Temperatura operativa: -30°C~+60°C, suitable for extreme marine environments.

Vibrazione & shock resistance: Conforme alla norma CEI 60068-2-6 e CEI 60068-2-27.

Salt-fog resistant design: Special housing material extends service life in marine conditions.

6. 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.