コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
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.
広い動作温度範囲: -30°C ～ +60°C, suitable for extreme temperature variations in marine environments.
- 型式コードの説明
| セグメント | コード | 説明 |
| Product Range | C60 | 小型サーキットブレーカー of Multi9 series |
| 遮断容量 | N | 標準遮断容量 (10の, 400Vと) |
| 極数 | 2P | 2 極 (2 保護されたポール) |
| 定格電流 | 20あ | 定格動作電流: 20 アンペア |
| トリップカーブ | C | Cカーブ (Trips at 8~12 times rated current, for combined lighting and motor loads) |
| 注文番号 | 24338 | Original standard order number of シュナイダー (equivalent to M9F11220) |
フルモデル: C60N 2P C20A (Official Standard Model)
注文番号: 24338 (M9F11220)
- 主な技術仕様
| パラメータのカテゴリ | 詳細仕様 |
| 基本パラメータ | 2-pole miniature circuit breaker, C-type trip curve, rated current 20A |
| 定格電圧 | 交流: 400V (50/60Hz); 直流: 125V |
| 遮断容量 | 10kA @ 400V AC (IECに準拠 60947-2) |
| トリップ特性 | Cカーブ: 8.2In ±20% (In=20A, tripping range: 164～200A) |
| 機械的耐久性 | 20,000 動作サイクル |
| 電気的耐久性 | 10,000 operating cycles at rated current |
| 周囲条件 | 温度: -30℃～+60℃; 湿度: ≤95% (結露しないこと) |
| 取り付け | 35mm DINレール取付 (EN準拠 60715) |
| 寸法 & 重さ | 身長: 85mm; 幅: 45mm; 深さ: 60mm; 重さ: 約. 180g |
| 保護等級 | IP20 (IECに準拠 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, 等. |
- Marine Features & アプリケーションシナリオ
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.
幅広い温度適応性: Operates stably from -30°C to +60°C to cope with harsh marine temperature conditions.
振動 & 耐衝撃性: IEC準拠 60068-2-6 (振動) およびIEC 60068-2-27 (ショック), applicable to rough working conditions during vessel navigation.
Corrosion Resistance: Special salt-fog resistant housing material extends service life in marine environments.
3.2 該当するシナリオ
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, コンプレッサー, ファン, navigation equipment, 等.
Yachts & Small Vessels: Meets safety standards for recreational marine craft.
3.3 推奨されないシナリオ
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).
- 交換 & アップグレードソリューション
4.1 Original Schneider Replacements
| オリジナルモデル | 代替機種 | 交換理由 | 互換性 |
| 24338 (C60N 2P C20A) | A9F44220 (iC60N 2P C20A) | Upgraded Acti9 series, breaking capacity increased to 15kA | 同一取付寸法, 直接交換 |
| 24338 (C60N 2P C20A) | M9F11220 (C60N 2P C20A) | Official original model, fully identical to 24338 | 100% 互換性がある |
| 24338 (C60N 2P C20A) | C60H 2P C20A | Breaking capacity upgraded to 15kA for severe working conditions | 同一取付寸法, enhanced breaking performance |
4.2 Cross-brand Replacements
| ブランド | 代替機種 | 主な違い | 適用性 |
| ABB | S202-C20 | 10kA遮断容量, Cカーブ, 2P 20A | Same mounting size, 直接交換 |
| シーメンス | 5SY6220-7CC | 10kA遮断容量, Cカーブ, 2P 20A | Slight difference in auxiliary functions, consistent basic protection |
| チント | DZ47-63 2P C20 | Domestic alternative with cost advantage, 6kA遮断容量 | For non-critical marine equipment |
- トラブルシューティング & メンテナンスガイドライン
5.1 一般的な故障診断
| 故障現象 | 考えられる原因 | ソリューション |
| 頻繁なトリップ | 1. Overloaded load; 2. Circuit short circuit; 3. トリップ曲線の不一致 | 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. 誤った配線 | 1. Inspect mechanical condition of tripping mechanism; 2. Measure actual operating current; 3. Confirm correct wiring (line in, load out) |
| 深刻な過熱 | 1. 端子の緩み; 2. 酸化接点; 3. Excess ambient temperature | 1. Retighten wiring terminals; 2. 清潔な接点; 3. Improve ventilation and heat dissipation |
| 機械的な妨害 | 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
| メンテナンス品 | サイクル | 手術 |
| 目視検査 | 毎月 | Check for salt-fog corrosion, cracks and loose components |
| Insulation Resistance Test | 四半期ごと | Use megohmmeter to test insulation resistance (value shall be higher than 1MΩ) |
| 接触検査 | Semi-annually | Check contacts for ablation and oxidation; measure contact resistance |
| 機能テスト | 毎年 | Simulate overload and short circuit to verify normal tripping performance |
| クリーニング | 毎年 | Remove internal dust with dry compressed air; avoid chemical detergents |
- セレクションガイド & 航空貨物のコンプライアンス
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.
航空貨物のコンプライアンス
Transport Classification: 非危険物. 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.
認証書類: 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 (含む 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)
| モデル | 注文番号 | 極 | 定格電流 | 遮断容量 | 幅 | 重さ | Marine Certifications | 代替機種 (iC60 Series) |
| C60N 1P C16A | M9F11116 | 1P | 16あ | 10の | 18mm | 90g | 9 Classification Societies | A9F74116 |
| C60N 1P C20A | M9F11120 | 1P | 20あ | 10の | 18mm | 90g | 9 Classification Societies | A9F74120 |
| C60N 1P C25A | M9F11125 | 1P | 25あ | 10の | 18mm | 90g | 9 Classification Societies | A9F74125 |
| C60N 1P C32A | M9F11132 | 1P | 32あ | 10の | 18mm | 90g | 9 Classification Societies | A9F74132 |
| C60N 2P C16A | M9F11216 | 2P | 16あ | 10の | 36mm | 180g | 9 Classification Societies | A9F74216 |
| C60N 2P C20A | 24338 / M9F11220 | 2P | 20あ | 10の | 36mm | 180g | 9 Classification Societies | A9F74220 |
| C60N 2P C25A | M9F11225 | 2P | 25あ | 10の | 36mm | 180g | 9 Classification Societies | A9F74225 |
| C60N 2P C32A | M9F11232 | 2P | 32あ | 10の | 36mm | 180g | 9 Classification Societies | A9F74232 |
| C60N 3P C16A | M9F11316 | 3P | 16あ | 10の | 54mm | 270g | 9 Classification Societies | A9F74316 |
| C60N 3P C20A | M9F11320 | 3P | 20あ | 10の | 54mm | 270g | 9 Classification Societies | A9F74320 |
| C60N 3P C25A | M9F11325 | 3P | 25あ | 10の | 54mm | 270g | 9 Classification Societies | A9F74325 |
| C60N 3P C32A | M9F11332 | 3P | 32あ | 10の | 54mm | 270g | 9 Classification Societies | A9F74332 |
| C60N 4P C16A | M9F11416 | 4P | 16あ | 10の | 72mm | 360g | 9 Classification Societies | A9F74416 |
| C60N 4P C20A | M9F11420 | 4P | 20あ | 10の | 72mm | 360g | 9 Classification Societies | A9F74420 |
| C60H 2P C20A | M9F14220 | 2P | 20あ | 15の | 36mm | 180g | 9 Classification Societies | A9F84220 |
| C60H 3P C20A | M9F14320 | 3P | 20あ | 15の | 54mm | 270g | 9 Classification Societies | A9F84320 |
- Comparison of Breaking Capacity & トリップ特性
| シリーズ | 遮断容量 | トリップカーブ | アプリケーションシナリオ | Max Rated Current | 価格レベル |
| C60N | 10kA @ 400V AC | B / C / D | General ship power systems, combined lighting & motor loads | 63あ | 標準 |
| C60H | 15kA @ 400V AC | B / C / D | Ship systems with high short-circuit current, 例えば. main switchboards | 63あ | 標準 +15% |
| iC60N | 15kA @ 400V AC | B / C / D | Upgraded replacement for C60N with improved performance | 63あ | 標準 +20% |
| iC60H | 30kA @ 400V AC | B / C / D | High-standard marine systems and offshore platforms | 63あ | 標準 +30% |
Trip Curve Description
B-curve: Trips at 3~5 times rated current, for pure resistive loads (点灯)
Cカーブ: Trips at 8~12 times rated current, for combined lighting and motor loads (最も広く使用されている)
D-curve: Trips at 12~14 times rated current, for inductive loads such as motors and transformers
- Detailed Comparison between 24338 (C60N 2P C20A) & 共通モデル
3.1 Same Poles, Different Current Ratings (2P)
| モデル | 定格電流 | Trip Current Range | 適用荷重 | 違いと 24338 |
| C60N 2P C16A | 16あ | 128~192A | 点灯 & motor loads below 16A | 20% lower current, more sensitive protection |
| C60N 2P C20A (24338) | 20あ | 164～200A | Combined loads below 20A | 標準構成 |
| C60N 2P C25A | 25あ | 205~300A | Combined loads of 20~25A | 25% higher current, larger load capacity |
| C60N 2P C32A | 32あ | 262~384A | Combined loads of 25~32A | 60% higher current, for higher-power equipment |
3.2 Same Current, Different Pole Counts (20あ)
| モデル | 極 | 幅 | アプリケーションシナリオ | 違いと 24338 |
| C60N 1P C20A | 1P | 18mm | Single-phase lighting & ソケット回路 | Half width, only live pole protected |
| C60N 2P C20A (24338) | 2P | 36mm | Single-phase motors & 装置, line and neutral disconnected simultaneously | 標準構成, 包括的な保護 |
| C60N 3P C20A | 3P | 54mm | Three-phase motors & 装置, 380Vシステム | 50% wider, 三相回路用 |
| 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)
| モデル | 遮断容量 | アプリケーション環境 | 価格差 | 違いと 24338 |
| C60N 2P C20A (24338) | 10の | General ship systems | 標準 | 標準構成 |
| C60H 2P C20A | 15の | Systems with high short-circuit current | 15% | 50% より高い遮断容量 |
| iC60N 2P C20A | 15の | Upgraded replacement solution | 20% | New generation product with longer service life |
| iC60H 2P C20A | 30の | Offshore engineering platforms | 30% | 200% より高い遮断容量 |
- Selection Reference Table for Marine Applications
| 負荷の種類 | Recommended Trip Curve | Recommended Breaking Capacity | Recommended Poles | Reference Current |
| Ship Lighting System | B | C60N (10の) | 1P / 2P | 6あ / 10あ / 16あ |
| ファン & Pump Motors | C | C60N (10の) | 3P | 16あ / 20あ / 25あ |
| コンプレッサー & Air-conditioning Units | C | C60H (15の) | 3P | 25あ / 32あ / 40あ |
| Navigation & 通信機器 | B | C60N (10の) | 1P / 2P | 6あ / 10あ |
| Branches of Main Switchboard | C | C60H (15の) | 3P / 4P | 32あ / 40あ / 50あ |
| Emergency Power System | D | C60H (15の) | 3P | 40あ / 50あ / 63あ |
- 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.
- 取付互換性
All models adopt 35mm DIN rail mounting (EN準拠 60715).
Width varies by pole count: 1P=18mm, 2P=36mm, 3P=54mm, 4P=72mm.
Uniform dimensions: 高さ85mm, Depth 60mm.
- Replacement Strategy
Short-term replacement: Prioritize identical models from the same series (例えば. 24338 = M9F11220).
Long-term upgrade: Choose iC60N series (例えば. A9F74220 for 24338) with breaking capacity upgraded to 15kA.
Severe working conditions: Select C60H / iC60H series with 15~30kA breaking capacity.
- 環境適応力
動作温度: -30℃～+60℃, suitable for extreme marine environments.
振動 & shock resistance: IEC準拠 60068-2-6 およびIEC 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.
