塑殼斷路器CDM1-400L/3300Z 250A
產(chǎn)品概述
CDM1-400L/3300Z 250A塑殼斷路器是一款采用高性能塑料外殼設計的電路保護裝置，適用于工業(yè)、建筑及商業(yè)配電系統(tǒng)中。該產(chǎn)品具備三極結構（3P），額定電流250A，能夠在交流50/60Hz、額定工作電壓400V的電網(wǎng)中實現(xiàn)可靠的過載和短路保護。其緊湊型設計結合灰白配色方案，兼顧美觀性與工程實用性，可替代傳統(tǒng)DZ20等系列產(chǎn)品。外殼采用高強度絕緣材料，有效抵抗腐蝕并適應多種復雜環(huán)境條件。515
核心功能特性
該斷路器采用熱磁式脫扣機構，同步實現(xiàn)線路過載延時保護與短路瞬時切斷功能，響應時間短且動作精確。產(chǎn)品設計包含旋轉手柄操作機構，支持手動分合閘操作，并可選配分勵脫扣、欠壓保護等附件模塊以滿足遠程控制需求。特殊設計的滅弧系統(tǒng)可將飛弧距離控制在100mm以內(nèi)，提升安裝安全性。內(nèi)部結構采用模塊化布局，支持板前/板后固定、插入式等多種安裝方式，便于現(xiàn)場快速部署與維護。1115
技術優(yōu)勢
CDM1-400L/3300Z系列在400A殼架等級下實現(xiàn)35kA的高分斷能力（AC400V），能有效抑制故障電流擴散。產(chǎn)品通過優(yōu)化觸頭材料與傳動機構，機械壽命達4000次以上，電氣壽命1000次，確保長期穩(wěn)定運行。其脫扣器電流可覆蓋200A-400A范圍，用戶可根據(jù)負載特性靈活選擇250A等額定值。獨特的多重隔離設計使斷路器在分閘位置具備可見斷點，增強檢修作業(yè)安全性。511
Product Introduction
The CDM1-400L/3300Z 250A molded case circuit breaker features a three-pole design with 250A rated current, designed for power distribution systems requiring reliable protection in industrial and commercial applications. Its polycarbonate housing provides high dielectric strength and corrosion resistance, suitable for operation in ambient temperatures from -5°C to +40°C. The product supports both horizontal and vertical mounting orientations with 35mm DIN rail compatibility. 1419
Key Features
Equipped with adjustable thermal-magnetic trip units, this breaker delivers precise overcurrent protection with instantaneous short-circuit response. The rotary handle mechanism offers clear ON/OFF position indication, while optional accessories like shunt trips and undervoltage releases enable remote control functionality. The compact 90mm width design saves panel space, and the integrated arc chute reduces arc flash hazards during fault interruption. Terminal covers meet IP20 protection grade for enhanced operational safety. 1115
Performance Highlights
With 50kA interrupting rating at 400V AC, the breaker ensures reliable fault current limitation in demanding environments. The visible contact gap design complies with isolation requirements, and the unified accessory slot accepts modular add-ons without tools. The product s cross-phase barrier prevents arc propagation between poles, while the low-energy trip mechanism minimizes power consumption during operation. 514
塑殼斷路器CDM1-400L/3300Z 250A
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