塑殼漏電保護斷路器DZ20L-250T/4300 225A 50MA非延時0.1S透明
產品概述
塑殼漏電保護斷路器DZ20L-250T/4300是一款專為配電系統設計的高性能保護裝置，適用于交流380V、50Hz的電路中。其核心功能包括漏電保護、過載保護和短路保護，能有效防止因線路故障導致的電氣火災或人身觸電風險。透明外殼設計便于用戶直觀觀察內部狀態，同時支持板前接線方式，安裝靈活便捷。產品采用熱磁式脫扣技術，確保動作精準可靠，適用于工業、商業及住宅等多種場景。16
核心參數與性能
該型號額定電流為225A，漏電動作電流50mA，分斷能力達15kA，能在0.1秒內快速切斷故障電路（非延時型）。極數為4P（3P+N），殼架電流250A，滿足大容量配電需求。透明材質外殼不僅提升了產品美觀度，還便于日常維護時檢查觸頭磨損或電弧痕跡。支持手動操作，并可選配分勵脫扣器、輔助觸頭等附件，擴展功能豐富。5915
應用場景與優勢
DZ20L-250T/4300廣泛應用于發電機、變壓器、電動機及母線系統的保護，尤其適合對安全性和響應速度要求較高的場合。其優勢包括：1）雙重保護機制，兼顧漏電與短路防護；2）緊湊結構設計，節省安裝空間；3）高機械壽命，經久耐用。產品嚴格遵循電氣安全規范，適用于粉塵、潮濕等復雜環境。4820
Product Overview
The molded case leakage circuit breaker DZ20L-250T/4300 is a high-performance protection device designed for power distribution systems, suitable for 380V AC/50Hz circuits. Its core functions include earth leakage protection, overload protection, and short-circuit protection, effectively preventing electrical fires or electric shocks caused by line faults. The transparent casing allows visual inspection of internal components, while front-terminal wiring ensures flexible installation. Utilizing thermal-magnetic trip technology, it delivers precise and reliable operation for industrial, commercial, and residential applications. 16
Key Specifications & Performance
With a rated current of 225A and earth leakage sensitivity of 50mA, this model offers a breaking capacity of 15kA and responds within 0.1 seconds (non-delay type). The 4P (3P+N) design and 250A frame current meet high-capacity distribution requirements. The transparent housing enhances aesthetics and simplifies maintenance by enabling visual inspection of contacts. Manual operation is standard, with optional accessories like shunt releases and auxiliary contacts for extended functionality. 5915
Applications & Advantages
Ideal for protecting generators, transformers, motors, and busbar systems, the DZ20L-250T/4300 excels in safety-critical environments. Key advantages include: 1) Dual protection against leakage and short circuits; 2) Compact design for space efficiency; 3) Robust construction for long service life. It adapts well to harsh conditions like dust or humidity while complying with electrical safety principles. 4820
塑殼漏電保護斷路器DZ20L-250T/4300 225A 50MA非延時0.1S透明
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