Our 40A DC circuit breaker offers a fast trip function, ensuring reliable operation and extended lifespan while conveniently serving as an on-off switch for load circuits. With its modular design, it is effortlessly installed on DIN standard guide rails in distribution boxes using a secure bistable locking clip. The high-performance flame-retardant housing provides exceptional durability and resistance to wear and tear. Safeguard your DC circuits or equipment with dependable overload and short circuit protection. This circuit breaker boasts strong compatibility with a wide range of systems and delivers long-lasting performance. Features: 1. Provide overload protection, short circuit protection for DC circuit or equipment. 2. High-performance flame-retardant housing, fireproofing and not easy to wear. 3. High breaking capacity up to 6kA. 4. High sensitivity, quick response. 5. Strong compatibility, long service life. Specification: Model: DZ47-63Z-2P Number of poles: 2P Rated voltage: 500V Rated current: 40A Breaking capacity: 6kA Mechanical life: 20000 times Tripping method: Overcurrent Weight: Approx. 176g/6.2oz Package List: 1 * Circuit Breaker Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.