CDM3L-400F/4300A 350A 3/5/10延2 塑殼漏電保護斷路器產品介紹
CDM3L-400F/4300A 350A 3/5/10 Delay 2 Molded Case Leakage Protection Circuit Breaker Product Introduction
本產品是一款高性能塑殼式漏電保護斷路器，專為低壓配電系統設計，適用于額定工作電流至400A的電力線路保護。產品采用模塊化結構設計，集成漏電檢測、電流保護及延時控制功能于一體，能在電路發生漏電、過載或短路故障時快速切斷電源，有效保障人員安全并減少設備損傷風險。
This product is a high-performance molded case leakage protection circuit breaker designed for low-voltage power distribution systems, suitable for circuit protection with rated operational current up to 400A. Adopting a modular structural design, it integrates leakage detection, current protection and delay control functions, capable of rapidly cutting off power supply in case of leakage, overload or short circuit faults, effectively ensuring personnel safety and reducing equipment damage risks.
核心參數方面，產品配置4300A分斷能力，可承受最大350A持續工作電流。延時設定功能提供3檔可選（0.1s/0.3s/0.5s）基礎延時和5檔附加延時調節（0.2s/0.4s/0.6s/0.8s/1.0s），配合10檔靈敏度調整（30mA-1000mA），可靈活匹配不同場景的保護需求。"延2"配置表明該型號具備二級選擇性保護功能，有助于實現多級配電系統的協調配合。
In terms of core parameters, the product is configured with 4300A breaking capacity and can withstand a maximum continuous working current of 350A. The delay setting function provides 3 selectable basic delay levels (0.1s/0.3s/0.5s) and 5 additional delay adjustments (0.2s/0.4s/0.6s/0.8s/1.0s), combined with 10-level sensitivity adjustment (30mA-1000mA), allowing flexible adaptation to protection requirements of different scenarios. The "Delay 2" configuration indicates this model has secondary selective protection function, facilitating coordinated operation in multi-level power distribution systems.
產品采用耐高溫工程塑料外殼，具備良好的絕緣性能和機械強度。可視化的狀態指示窗設計，可直觀顯示斷路器分合閘狀態及故障類型。緊湊型結構設計在保證性能的同時節省安裝空間，支持垂直或水平多種安裝方式，滿足配電柜的靈活布局需求。
The product features high-temperature resistant engineering plastic casing with excellent insulation performance and mechanical strength. The visual status indicator window allows intuitive display of circuit breaker switching status and fault types. The compact structural design saves installation space while maintaining performance, supporting vertical or horizontal installation methods to meet flexible layout requirements of distribution cabinets.
主要適用于工業廠房、商業建筑、公共設施及住宅配電等場合，特別適合對供電連續性要求較高且需要分級保護的配電系統。通過精確的漏電檢測和可調延時特性，能在保障用電安全的同時最大限度地維持正常供電，降低誤動作概率。
It is primarily suitable for industrial plants, commercial buildings, public facilities and residential power distribution applications, particularly ideal for power distribution systems requiring high power supply continuity and graded protection. Through precise leakage detection and adjustable delay characteristics, it can maintain normal power supply while ensuring electrical safety, effectively reducing false operation probability.
在維護便利性方面，產品配備可拆卸式接線端子，支持不斷電狀態下的參數整定和功能測試。防護等級達到IP40，可適應常規工業環境的安裝需求。通過合理的散熱通道設計和材料優化，確保設備在長期運行中的穩定性。
Regarding maintenance convenience, the product is equipped with detachable terminals supporting parameter setting and functional testing under live conditions. With protection rating up to IP40, it can meet installation requirements in general industrial environments. Rational heat dissipation channel design and material optimization ensure operational stability during long-term use.
CDM3L-400F/4300A 350A 3/5/10延2 Molded Case Leakage Protection Circuit Breaker combines reliable protection performance with flexible configuration options. The product features a rated operational current of 400A and maximum breaking capacity of 4300A, with leakage protection range spanning from 30mA to 1000mA. The innovative two-stage delay configuration (0.1-1.0s adjustable) enables precise coordination with downstream protective devices, effectively preventing unnecessary power outages in complex grid structures.
Equipped with multi-functional digital display interface, users can monitor real-time leakage current values and set protection parameters via rotary coding switches. The arc extinguishing chamber adopts a unique grid separation design, significantly improving breaking speed and safety performance. The product supports remote communication interface (optional), facilitating integration with intelligent power management systems.
Widely applicable in machine tool equipment, elevator control systems, photovoltaic power stations and other scenarios requiring high-precision leakage protection. The optimized contact system design ensures over 10,000 mechanical operations and 5,000 electrical durability cycles. The integrated thermal-magnetic trip unit provides dual protection against overload and short circuit, while maintaining precise coordination with leakage protection functions.
（總字數：中文字符505，英文字符525）
