DC 400A Mould Case Circuit Breaker

As a professional factory supplier, XENHO DC 400A Mould Case Circuit Breaker adopts high-performance arc extinguishing technology and precision tripping mechanism, complying with IEC international standards. It supports stable operation in -40℃ to +85℃, adapts to high altitude, high humidity and salt fog environments, and provides reliable protection for photovoltaic power stations and rail transit DC traction systems.

Product Definition

The DC 400A Mould Case Circuit Breaker is a DC molded case circuit breaker featuring a modular design and high breaking capacity. Specifically engineered for 400-ampere DC circuit systems, it is capable of rapidly interrupting current flow during abnormal conditions—such as transient overloads or sustained short circuits—thereby effectively preventing electrical fires and equipment damage, and ensuring the safe and reliable operation of the system. Its core components are constructed from arc-resistant alloy materials, guaranteeing the retention of superior electrical performance and mechanical longevity even after numerous breaking operations.

Product Features

· Three-stage protection: overload long-delay, short-circuit short-delay and instantaneous protection

· UL94 V-0 flame-retardant engineering plastic shell, high insulation and impact resistance

· Built-in temperature compensation element, stable action in high and low temperature

· LED status indication, modular accessories expandable

· Suitable for DC 500V, breaking capacity up to 130KA

Application Fields

· Photovoltaic power generation system DC side protection

· Energy storage power station circuit safety protection

· Urban rail transit DC traction power supply system

· Industrial DC power distribution and high-power equipment protection

After-Sales Issue Resolution Process

1.When a customer reports an after-sales issue, our professional customer service team is the first to receive the inquiry, meticulously documenting all relevant details—including the product model, usage environment, and the specific nature of the problem.

2.Subsequently, our technical department conducts a preliminary analysis to determine whether the issue stems from a quality defect inherent to the product itself. If a quality defect is confirmed, our after-sales department will provide the customer with free repair or replacement services in accordance with our product warranty policy, while also arranging for convenient door-to-door pickup and delivery logistics.

3.If the issue is determined not to be caused by the product itself, our after-sales team will provide the customer with detailed technical guidance and practical solutions to assist them in resolving the problem.

4.Concurrently, our after-sales department regularly compiles and analyzes reported issues to continuously optimize our product designs and manufacturing processes, thereby minimizing the recurrence of similar problems.

Why Choose XENHO?

1. We possess deep industry experience and extensive technical expertise. As a professional manufacturer of electrical equipment, we are consistently dedicated to the R&D and innovation of mid-to-high-end low-voltage electrical products, ensuring that every product we produce meets industry-leading standards.

2. Our DC 400A Mould Case Circuit Breaker features exceptional breaking capacity and stability, ensuring reliable operation even under extreme working conditions to provide comprehensive safety protection for your DC power systems.

3. We offer a comprehensive after-sales service system. From the initial receipt and analysis of an issue through to its final resolution, we strive for efficiency and professionalism at every step to ensure a completely worry-free user experience for you.

4. We are committed to the relentless pursuit of excellence. By regularly compiling and analyzing after-sales feedback, we continuously refine our product designs and manufacturing processes, ensuring that your choice of our products is both intelligent and a sound long-term investment.

Product Specifications

Loading and Shipping:

During the loading process, we utilize professional packaging materials and secure loading methods to ensure that the DC 400A Molded Case Circuit Breaker remains undamaged during transit. Regarding shipping, we have established long-term partnerships with numerous renowned logistics companies, enabling us to select the most suitable shipping channels based on the customer's specific requirements and location. This ensures that the products are delivered to our customers in a timely and secure manner. Additionally, we provide detailed logistics tracking services, allowing customers to monitor the status of their shipment at any time.

FAQ

Q: Is XENHO DC 400A MCCB suitable for high altitude areas?

A: Yes, it can operate stably at 5000m altitude without derating.

Q: Does this product support remote monitoring?

A: Yes, it can be connected to intelligent monitoring system for remote status detection.

Q: What is the warranty period of XENHO 400A DC mould case circuit breaker?

A: We provide 12-24 months warranty as a professional China manufacturer.

Contact us

For any inquiries about our products, please feel free to contact us through the following methods:

WhatsApp / WeChat: 86-13123865875 86-15858812131

Email: 799199031@qq.com