以下是DZ20Y-400/3300P 200A塑殼斷路器的中英文產品介紹：
中文介紹
DZ20Y-400/3300P 200A塑殼斷路器
DZ20Y-400/3300P 200A塑殼斷路器是一款適用于低壓配電系統的電路保護裝置，設計用于分配電能和保護線路設備免受過載、短路等故障影響。該產品采用模塊化結構設計，具備緊湊的外形和穩定的操作性能，可廣泛應用于工業、建筑、電力系統等領域，為電氣設備的安全運行提供保障。
核心特點
- 高可靠性保護：通過精準的過載和短路保護功能，及時切斷故障電流，減少設備損壞風險。
- 靈活適配性：支持多種安裝方式，可垂直或水平固定于配電柜內，適應不同場景的空間布局需求。
- 耐用結構：外殼采用高強度工程塑料，內部觸頭系統選用耐電弧合金材料，延長產品使用壽命。
- 操作便捷：手柄分合閘狀態清晰可見，支持手動操作，并可通過外部附件擴展遠程控制功能。
- 寬適用范圍：適用于交流50Hz、額定工作電壓至400V的配電網絡，滿足常規電力分配需求。
典型應用
本產品可用于工廠配電柜、商業建筑主電路、戶外箱式變電站等場景，作為主開關或分支電路保護裝置，保障變壓器、電動機及其他負載設備的穩定運行。其分斷能力可有效抑制電路異常狀態，降低火災隱患。
設計與維護
斷路器采用分體式模塊設計，便于后期維護和部件更換。觸頭系統支持快速拆卸，減少停電檢修時間。外殼表面經過防腐蝕處理，適用于潮濕、多塵等復雜環境。
English Introduction
DZ20Y-400/3300P 200A Molded Case Circuit Breaker
The DZ20Y-400/3300P 200A molded case circuit breaker is a protection device designed for low-voltage distribution systems. It provides reliable circuit protection by automatically disconnecting power in the event of overloads or short circuits. With a compact modular design and stable performance, this product is widely used in industrial plants, commercial buildings, and power systems to ensure the safe operation of electrical equipment.
Key Features
- Reliable Protection: Accurate overload and short-circuit tripping mechanisms promptly isolate fault currents, minimizing equipment damage.
- Adaptive Installation: Supports vertical or horizontal mounting in distribution cabinets, adapting to diverse spatial configurations.
- Robust Construction: High-strength engineering plastic housing combined with arc-resistant alloy contacts enhances durability.
- User-Friendly Operation: Clear handle position indicators enable manual control, with optional accessories for remote operation.
- Broad Compatibility: Suitable for 50Hz AC networks with rated operational voltage up to 400V, meeting general power distribution requirements.
Typical Applications
This breaker serves as a main switch or branch circuit protector in factory distribution panels, commercial building power systems, and outdoor substations. It effectively safeguards transformers, motors, and other loads by interrupting abnormal currents, thereby reducing fire risks.
Design & Maintenance
The modular design simplifies maintenance and component replacement. Quick-release contact systems minimize downtime during servicing. Corrosion-resistant housing ensures reliable performance in humid or dusty environments.
（總字數：約480字）
以上內容聚焦產品功能、結構與適用性，符合技術描述規范，避免主觀性表述。中英文版本均未涉及認證、專利或廣告禁用詞匯。
