CDM3L-250S/4300B 140A 03/1/3 塑殼漏電保護斷路器產品介紹
產品概述
CDM3L-250S/4300B 140A 03/1/3塑殼漏電保護斷路器是專為低壓配電系統(tǒng)設計的智能化保護裝置，集漏電保護、過載保護和短路保護功能于一體。該產品采用模塊化結構設計，適用于交流50Hz、額定工作電壓至400V的配電網絡，可為工業(yè)控制系統(tǒng)、商業(yè)建筑及民用配電環(huán)境提供可靠的電能分配與安全防護。
核心特點
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多重保護機制
內置高靈敏度漏電檢測系統(tǒng)，能夠快速識別線路異常漏電流并實施斷電保護，同時具備精確的過載和短路電流分斷能力。三級聯動保護機制有效降低電氣火災風險和觸電事故概率。
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智能操作體驗
優(yōu)化設計的操作機構確保分合閘動作可靠穩(wěn)定，配備清晰可見的機械狀態(tài)指示器。特殊結構的觸頭系統(tǒng)可承受更高頻率的操作循環(huán)，延長設備使用壽命。
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靈活適配方案
模塊化擴展設計支持多種輔助附件選配，可根據現場需求靈活配置報警觸點、分勵脫扣等附加功能。標準導軌安裝方式兼容主流配電柜設計規(guī)范。
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環(huán)境適應能力
采用耐高溫工程材料制造的殼體具備IP40防護等級，能在-25℃至+70℃溫度范圍內保持穩(wěn)定工作性能，適應多種復雜工況環(huán)境。
技術參數
• 額定電流：140A
• 額定工作電壓：AC 400V
• 極數配置：4P
• 額定漏電動作電流：30mA/100mA（可選）
• 機械壽命：≥10,000次
• 電氣壽命：≥6,000次
應用領域
本產品廣泛適用于工業(yè)廠房動力配電、商業(yè)綜合體主配電系統(tǒng)、高層建筑垂直干線配電等場景，特別適合對用電安全要求較高的數據處理中心、醫(yī)療設施及實驗室等關鍵場所。
CDM3L-250S/4300B 140A 03/1/3 Molded Case Leakage Protection Circuit Breaker
Product Overview
The CDM3L-250S/4300B 140A 03/1/3 molded case leakage protection circuit breaker is an intelligent protection device specifically designed for low-voltage distribution systems. Integrating earth leakage protection, overload protection and short-circuit protection functions, this modular-designed product is suitable for AC 50Hz power networks with rated operational voltage up to 400V, providing reliable power distribution and safety protection for industrial control systems, commercial buildings and residential electrical environments.
Key Features
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Multi-level Protection
Equipped with high-sensitivity leakage detection system for rapid identification of abnormal leakage current, complemented by precise overload and short-circuit current breaking capacity. The triple protection mechanism effectively reduces electrical fire risks and electric shock hazards.
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Intelligent Operation
Optimized operating mechanism ensures reliable switching actions with visible mechanical status indicators. Specially designed contact system withstands frequent operational cycles, extending service life.
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Flexible Configuration
Modular expansion design supports various auxiliary accessories including alarm contacts and shunt releases. Standard rail mounting compatibility meets mainstream panel design requirements.
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Environmental Adaptability
High-temperature resistant engineering plastic housing with IP40 protection rating maintains stable performance within -25℃ to +70℃ temperature range, suitable for diverse working conditions.
Technical Parameters
• Rated Current: 140A
• Rated Operational Voltage: AC 400V
• Pole Configuration: 4P
• Rated Leakage Tripping Current: 30mA/100mA (optional)
• Mechanical Endurance: ≥10,000 operations
• Electrical Endurance: ≥6,000 operations
Application Fields
Widely used in industrial plant power distribution, commercial complex main distribution systems, and high-rise building vertical trunking distribution. Particularly suitable for critical facilities demanding high electrical safety standards such as data centers, medical institutions and laboratory environments.
（中文416字/英文413字）
