Features Powerful and durable: the number of poles is 2P, has a strong compatibility, a long service life and a high switching capacity of up to 4 KA. Multiple protection functions: provides overload protection, short circuit protection for DC circuits or devices. Wide application: circuit breakers are used in solar panel network systems, solar and wind hybrid systems, etc. Efficient connection: comes with good on/off effect, no stuck situations, strong contact, high efficiency and stability. FIREPROOF SHELL: The high performance flame retardant shell is strong and fireproof, wear-resistant and durable, with strong safety. Specification: Item Type:DC Miniature Circuit Breaker Nominal voltage: DC500V. Number of poles: 2P Segmentation capability: 4KA. Ambient temperature: -25°C ~ +60°C. Package list: 1 x DC Miniature Circuit Breaker Small note: The circuit breaker must match the power of cables and electrical appliances, otherwise it will be triggered or the connector will be blown out. Package List 1 x DC Miniature Circuit Breaker