Wenzhou Posder Technology Co., Ltd. is a leading wholesale, supplier, manufacturer, and factory of high-quality electrical components, including the 400V DC circuit breaker. This circuit breaker is designed to protect DC electrical systems from over-current and short-circuit faults, ensuring the safety and reliability of your electrical installations. The 400V DC circuit breaker is available in various amperage ratings, enabling you to choose the right breaker for your specific application needs. Our 400V DC circuit breaker is built to last, using only the highest quality materials and state-of-the-art manufacturing processes. Plus, we offer competitive pricing, making it an affordable solution for your DC circuit protection requirements. Our team of experts is always available to provide technical assistance, ensuring that you get the right product for your application every time. If you're in need of high-quality 400V DC circuit breakers, look no further than Wenzhou Posder Technology Co., Ltd. Contact us today to place your order and experience the top-notch product quality and customer service that we have to offer.