DZ20J-225/3200 180A塑壳断路器产品介绍（中文版）
DZ20J-225/3200 180A塑壳断路器是一款专为配电系统设计的电力保护装置，适用于交流50Hz、额定工作电压至690V的电路中，可实现对线路及电气设备的过载、短路等故障的有效保护。该产品采用模块化设计理念，兼顾功能性与经济性，为工业配电、建筑电气等场景提供可靠的电能管理解决方案。
产品核心参数：
- 壳架等级电流：225A
- 额定工作电流：180A（可定制其他规格）
- 极数配置：3极/4极可选
- 分断能力等级：3200A
性能特点：
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稳定可靠的分断表现
采用优化的灭弧系统设计，在短路故障发生时能快速切断故障电流，有效抑制电弧扩展。多层金属栅片组成的灭弧室配合耐高温材料，确保分断过程的安全性和稳定性。
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精密机械结构设计
主体结构采用高强度工程塑料外壳包裹，内部集成精密传动机构。触头系统经过特殊表面处理，接触电阻低且耐磨损，有效降低运行温升，延长产品使用寿命。
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人性化操作体验
配备清晰可见的机械指示窗口，可直观显示断路器分合闸状态。操作手柄符合人体工程学设计，分合闸动作顺畅，操作力矩适中。支持多种附件扩展，满足不同控制需求。
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环境适应能力
产品经过严格的环境适应性测试，能够在-25℃至+70℃的温度范围内保持稳定工作。防护等级达到常规室内安装要求，可适应适度粉尘和潮湿环境。
应用领域：
广泛适用于工业厂房配电柜、商业建筑配电室、基础设施供电系统等场景。作为低压配电网络的关键元件，可对电动机、变压器、电缆线路等设备提供有效保护，适用于化工、冶金、市政建设等多个行业领域。
制造工艺：
采用自动化生产线配合高精度模具加工，确保产品一致性和稳定性。关键部件实施全流程质量监控，通过多道检测工序验证产品性能。壳体材料选用耐冲击、耐老化的优质工程塑料，内部导电部件采用高纯度铜材精制加工。
DZ20J-225/3200 180A Molded Case Circuit Breaker Product Introduction (English Version)
The DZ20J-225/3200 180A molded case circuit breaker is a power protection device specifically designed for distribution systems. Suitable for AC 50Hz circuits with rated operational voltage up to 690V, it provides effective protection against overload and short-circuit faults for electrical circuits and equipment. Incorporating modular design principles, this product balances functionality and cost-effectiveness, delivering reliable power management solutions for industrial power distribution and building electrical systems.
Key Parameters:
- Frame Current Rating: 225A
- Rated Operational Current: 180A (customizable)
- Pole Configuration: 3P/4P optional
- Breaking Capacity Level: 3200A
Performance Features:
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Reliable Breaking Performance
Equipped with optimized arc extinguishing system, the breaker can quickly interrupt fault current during short-circuit conditions while effectively controlling arc expansion. The multi-layer metal grid arc chamber combined with high-temperature resistant materials ensures operational safety and stability.
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Precision Mechanical Design
The main structure features a high-strength engineering plastic enclosure housing precision transmission mechanisms. Specially treated contact system ensures low contact resistance and wear resistance, effectively reducing operational temperature rise and extending service life.
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User-Friendly Operation
Clear mechanical indication window provides visual status display (ON/OFF/Tripped). Ergonomically designed operating handle ensures smooth switching action with moderate operating torque. Supports multiple accessory options for diversified control requirements.
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Environmental Adaptability
Tested under rigorous environmental conditions, the product maintains stable performance within -25℃ to +70℃ temperature range. Standard protection level meets general indoor installation requirements, suitable for moderately dusty and humid environments.
Application Fields:
Widely used in industrial plant switchgear, commercial building distribution rooms, and infrastructure power supply systems. As a critical component in low-voltage distribution networks, it provides effective protection for motors, transformers, and cable circuits across industries including chemical, metallurgical, and municipal construction sectors.
Manufacturing Technology:
Automated production lines combined with precision mold processing ensure product consistency and reliability. Critical components undergo comprehensive quality control with multi-stage inspection procedures. Enclosure utilizes impact-resistant and aging-resistant engineering plastics, while internal conductive parts are precision-crafted from high-purity copper alloys.
