以下是DZ20Y-400/3300P 200A塑壳断路器的中英文产品介绍：
中文介绍
DZ20Y-400/3300P 200A塑壳断路器
DZ20Y-400/3300P 200A塑壳断路器是一款适用于低压配电系统的电路保护装置，设计用于分配电能和保护线路设备免受过载、短路等故障影响。该产品采用模块化结构设计，具备紧凑的外形和稳定的操作性能，可广泛应用于工业、建筑、电力系统等领域，为电气设备的安全运行提供保障。
核心特点
- 高可靠性保护：通过精准的过载和短路保护功能，及时切断故障电流，减少设备损坏风险。
- 灵活适配性：支持多种安装方式，可垂直或水平固定于配电柜内，适应不同场景的空间布局需求。
- 耐用结构：外壳采用高强度工程塑料，内部触头系统选用耐电弧合金材料，延长产品使用寿命。
- 操作便捷：手柄分合闸状态清晰可见，支持手动操作，并可通过外部附件扩展远程控制功能。
- 宽适用范围：适用于交流50Hz、额定工作电压至400V的配电网络，满足常规电力分配需求。
典型应用
本产品可用于工厂配电柜、商业建筑主电路、户外箱式变电站等场景，作为主开关或分支电路保护装置，保障变压器、电动机及其他负载设备的稳定运行。其分断能力可有效抑制电路异常状态，降低火灾隐患。
设计与维护
断路器采用分体式模块设计，便于后期维护和部件更换。触头系统支持快速拆卸，减少停电检修时间。外壳表面经过防腐蚀处理，适用于潮湿、多尘等复杂环境。
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.
（总字数：约480字）
以上内容聚焦产品功能、结构与适用性，符合技术描述规范，避免主观性表述。中英文版本均未涉及认证、专利或广告禁用词汇。
