塑殼斷路器 CDM1-125L/3330 63A AC380V 產品介紹
產品概述
CDM1-125L/3330 塑殼斷路器是一款適用于低壓配電系統的高性能電氣保護裝置，專為AC380V配電網絡設計，額定電流63A。該產品采用模塊化結構設計，集過載保護、短路保護和隔離功能于一體，可有效保障電力設備和線路的安全運行。其緊湊型外殼采用高強度工程塑料制造，具備良好的絕緣性能和機械強度，適用于工業(yè)控制柜、建筑配電箱及設備終端的電路保護場景。
核心特點
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智能保護機制：內置熱磁式脫扣機構，通過雙金屬片熱效應與電磁鐵瞬動配合，實現精確的過載長延時保護與短路瞬時保護，響應時間＜20ms。三段式保護特性確保在電流異常時及時切斷故障電路，降低設備損傷風險。
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穩(wěn)定電氣性能：優(yōu)化設計的觸頭系統采用銀合金材料，接觸電阻低至50μΩ以下，配合滅弧室的多層金屬柵片結構，使產品在AC380V工況下達到6kA分斷能力，可承受瞬時短路電流沖擊。
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人性化操作設計：配備清晰的三位式機械指示器（接通/斷開/脫扣），配合正面紅色脫扣指示窗，便于快速識別斷路器狀態(tài)。操作手柄符合人體工學設計，操作力矩＜3N·m，提供順暢的分合閘體驗。
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環(huán)境適應性：寬溫型設計支持-25℃至+70℃工作環(huán)境，防護等級達IP40，可適應潮濕、粉塵等復雜工況。全系列部件通過20000次機械壽命測試，確保長期穩(wěn)定運行。
應用領域
本產品適用于以下場景：
- 制造業(yè)：機床設備、生產線配電柜主開關
- 建筑工程：樓宇動力配電箱進線保護
- 基礎設施：水泵控制系統、照明配電回路
- 新能源配套：光伏逆變器輸出端電路保護
技術參數
額定電壓：AC380V
額定電流：63A（可調范圍：40-63A）
極數：3P
脫扣特性：固定式熱磁脫扣
機械壽命：≥20000次
電氣間隙：≥5.5mm
安裝方式：標準35mm導軌安裝
使用建議
建議定期進行功能測試（至少每年一次），保持通風散熱空間≥20mm，多臺并列安裝時需保持≥5mm間距。適用于海拔2000米以下區(qū)域，避免在含有腐蝕性氣體或劇烈震動的環(huán)境中使用。
CDM1-125L/3330 Molded Case Circuit Breaker 63A AC380V Product Introduction
Product Overview
The CDM1-125L/3330 molded case circuit breaker is a high-performance electrical protection device designed for low-voltage distribution systems, specifically engineered for AC380V power networks with a rated current of 63A. Featuring modular construction, it integrates overload protection, short-circuit protection, and isolation functions to ensure safe operation of electrical equipment and circuits. The compact housing, manufactured from high-strength engineering plastics, offers excellent insulation and mechanical durability, making it suitable for circuit protection in industrial control cabinets, building distribution panels, and equipment terminals.
Key Features
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Intelligent Protection: Equipped with thermomagnetic trip unit combining bimetal thermal effect and electromagnetic instantaneous action, delivering precise long-delay overload protection (＜20ms response) and instantaneous short-circuit protection. Three-stage protection characteristics ensure timely fault circuit interruption.
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Enhanced Electrical Performance: Silver-alloy contacts with contact resistance below 50μΩ and multi-layer arc chute design provide 6kA breaking capacity at AC380V, effectively withstanding short-circuit current impacts.
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User-Centric Design: Three-position mechanical indicator (ON/OFF/TRIP) with front-mounted red trip window enables quick status identification. Ergonomic handle requires ＜3N·m operating torque for smooth switching.
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Environmental Durability: Operates reliably in -25℃ to +70℃ environments with IP40 protection rating. All components undergo 20,000-cycle mechanical endurance testing for sustained performance.
Applications
- Manufacturing: Machine tool power distribution, production line control cabinets
- Construction: Building power distribution panel main switches
- Infrastructure: Pump control systems, lighting circuits
- Renewable Energy: Photovoltaic inverter output protection
Technical Specifications
Rated Voltage: AC380V
Rated Current: 63A (Adjustable range: 40-63A)
Poles: 3P
Trip Characteristic: Fixed thermomagnetic
Mechanical Life: ≥20,000 operations
Electrical Clearance: ≥5.5mm
Mounting: Standard 35mm DIN rail
Usage Guidance
Annual functional testing recommended. Maintain ≥20mm ventilation space and ≥5mm clearance between adjacent units. Suitable for altitudes ≤2000m. Avoid corrosive atmospheres and severe vibration environments.
