DZ20L-250/4300 塑殼漏電保護斷路器產品介紹（中英對照）
【中文版】
DZ20L-250/4300 塑殼漏電保護斷路器是一款適用于低壓配電系統的核心保護裝置，專為優化電路安全管理而設計。該產品采用模塊化結構設計，配備先進的電磁式漏電檢測單元，能在0.1秒內快速響應并切斷故障電路，有效預防電氣火災和人身觸電風險。
本產品額定電流225A，適用于三相四線交流配電網絡（380V/50Hz）。漏電動作電流值精準設定為50mA，既滿足人體安全保護需求，又能避免因環境因素導致的誤動作。其非延時特性確保在檢測到漏電電流超過閾值時立即執行分斷操作，特別適用于對響應速度要求較高的工業生產線、商業綜合體及住宅配電系統。
殼體采用高強度工程塑料與金屬部件復合結構，具備優良的絕緣性能和機械強度。觸頭系統應用特種合金材料，配合優化的滅弧室設計，可在額定電流下實現可靠分斷。操作機構采用彈簧儲能式設計，支持手動快速合分閘操作，并可通過外部附件擴展遠程控制功能。
產品支持導軌安裝與固定式安裝兩種方式，配備清晰的狀態指示窗口和復位測試按鈕，便于日常維護與故障排查。寬溫度適應范圍（-25℃至+60℃）確保設備在各類復雜環境中穩定運行。適用于配電箱主開關、分支回路保護及電動機控制回路等多種應用場景。
【English Version】
The DZ20L-250/4300 Molded Case Leakage Protection Circuit Breaker is a core protective device designed for low-voltage distribution systems, focusing on optimized circuit safety management. Featuring modular construction and advanced electromagnetic leakage detection unit, it achieves rapid circuit interruption within 0.1 seconds upon fault detection, effectively preventing electrical fires and electric shock hazards.
With a rated current of 225A, this device is suitable for three-phase four-wire AC distribution networks (380V/50Hz). The precise 50mA leakage trip setting balances human safety protection with environmental interference immunity. Its instantaneous trip characteristic ensures immediate circuit interruption when leakage exceeds threshold, making it ideal for industrial production lines, commercial complexes, and residential systems requiring fast response.
The hybrid housing combines high-strength engineering plastics with metal components, delivering excellent insulation and mechanical durability. The contact system employs special alloy materials paired with optimized arc-extinguishing chambers for reliable breaking capacity. The spring-operated mechanism enables manual switching operations and supports remote control through auxiliary accessories.
Providing both DIN-rail and fixed mounting options, the unit features clear status indicators and test/reset buttons for simplified maintenance. Wide temperature tolerance (-25℃ to +60℃) ensures stable performance in diverse environments. Suitable for multiple applications including main distribution panel protection, branch circuit protection, and motor control circuits.
【產品特點】
- 快速響應：0.1秒內完成漏電保護動作
- 精準保護：50mA靈敏度匹配安全需求
- 穩定結構：抗沖擊設計延長使用壽命
- 靈活適配：兼容多種配電系統架構
- 智能檢測：周期性自檢確保功能可靠
【Technical Highlights】
- Instantaneous trip response within 0.1S
- 50mA sensitivity matching safety requirements
- Impact-resistant construction for extended service life
- Flexible compatibility with multiple distribution topologies
- Periodic self-check function for operational reliability
（注：中英文總字數約680字，符合400字以上要求。內容嚴格規避極限詞匯，未涉及認證及專利信息，技術參數基于產品常規性能描述。）
