塑殼斷路器CDM1-250L/4300 250A
產品概述
CDM1-250L/4300 250A塑殼斷路器是一款高性能配電保護設備，采用模塊化設計理念，具備緊湊結構和可靠性能。該產品適用于交流50Hz-60Hz、額定工作電壓690V及以下的配電網絡，可實現對線路及設備的過載、短路保護功能。斷路器采用熱電磁復式脫扣技術，能精確感知電流異常并快速切斷故障電路，有效防止電氣事故擴大。產品外殼采用高強度工程塑料，兼具優良的絕緣性能和機械強度，適應各類工業環境安裝需求。312
技術特點
該斷路器具有25kA高分斷能力，飛弧距離短，可顯著提升配電系統安全性。產品提供3P/4P多種極數選擇，其中4300型號表示4極設計帶N極保護。脫扣器采用熱磁雙保護機制，過載保護通過雙金屬片實現，短路保護由電磁機構執行，確保動作精準可靠。產品支持板前/板后兩種安裝方式，并可選配分勵脫扣、欠壓脫扣等附件，滿足不同場景的擴展需求。手柄位置清晰指示通斷狀態，具備可見隔離斷點功能。116
應用領域
CDM1-250L/4300 250A廣泛應用于工業廠房、商業建筑、基礎設施等領域的低壓配電系統。作為主開關使用時，可保護變壓器、母線等關鍵設備；作為分支開關時，能為電動機、照明回路等負載提供保護。其250A殼架電流設計特別適合125A-250A電流區間的配電需求，在數據中心、醫院、學校等對供電連續性要求較高的場所表現優異。產品通過優化滅弧系統設計，有效抑制操作過電壓，延長電氣設備使用壽命。724
Product Introduction
The CDM1-250L/4300 250A molded case circuit breaker is a high-performance protection device featuring modular design and compact structure. It operates in AC 50Hz-60Hz networks with rated operational voltage up to 690V, providing reliable overload and short-circuit protection for electrical circuits. The thermal-magnetic trip unit ensures precise fault detection and rapid interruption, while the robust plastic housing offers excellent insulation and mechanical durability for industrial applications. 1122
Key Features
With 25kA breaking capacity and short arcing distance, this 4-pole breaker (4300 type) delivers enhanced safety performance. The dual protection mechanism combines bimetal strip for overload protection and electromagnetic release for instant short-circuit response. Clear handle position indicators provide visible isolation status. Flexible front/rear mounting options and accessory slots (including shunt trip and undervoltage release) allow customized configuration. The optimized arc quenching system minimizes voltage transients during operation. 1518
Typical Applications
Ideal for 125A-250A distribution networks in factories, commercial buildings and infrastructure projects. Frequently deployed as main switch for transformer protection or branch circuit protector for motors/lighting systems. Its reliable performance makes it suitable for critical facilities requiring uninterrupted power supply, such as data centers and medical institutions. The product s vibration-resistant design ensures stable operation in demanding environments. 1419
塑殼斷路器CDM1-250L/4300 250A
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