Features Effective Protection: Safeguard power distribution facilities from overload and short circuit damage, while providing control and isolation for enhanced safety and functionality. Rapid Response: Features an electromagnetic trip system that immediately activates in the event of a short circuit, ensuring prompt protection of the circuit and preventing potential hazards. Auxiliary Arc Extinguishing: Equipped with auxiliary arc extinguishing for DC systems, offering enhanced safety and reliability in challenging operating conditions. Durable Construction: Circuit breaker release with fire-resistant and impact-resistant plastic shell, precise design, waterproof, dustproof, corrosion-resistant, and long service life. Versatile Application: Suitable for DC power systems, ship power systems, solar photovoltaic systems, and other DC systems, ensuring excellent performance and compatibility. Specification: Item Type: Circuit Breaker Alarm Material: PA66 Flame Retardant Material Model: DZ47s MX+OF Purpose: Assemble with Circuit Breaker to Realize Long-Distance Shunt Trip and Feedback Signal Package List: 1 x Circuit Breaker Alarm Note: For electrical maintenance and installation, be sure to ensure that the operator has electrical work qualifications and take necessary power？off and insulation protection measures. Package List 1 x Circuit Breaker Alarm