Function: 1. VERSATILE PROTECTION: The miniature circuit breaker is designed to protect the – and + poles of 12 to 400 V DC systems or the L and N poles of 90 to 400 V AC systems. 2. ADAPTER CABLE: Compatible with 6 to 8.7mm diameter cables and 7 to 5 AWG cables, this circuit breaker is easily adaptable to a wide variety of cables. 3. IP65 WATER RESISTANT: This IP65 water resistant switch is designed to withstand harsh weather conditions while maintaining optimum performance. 4. TRANSPARENT COVER: With a transparent cover, this disconnect switch allows you to easily check the condition and make sure it is operating optimally. 5. WIDE APPLICATION: Ideal for use in a variety of solar systems, photovoltaic arrays and RV solar energy systems, this circuit breaker is a versatile and reliable solution for all your solar energy needs. Specification: Item Type: Circuit Breaker Material: Pa66 Model: DZ47X63 Rated current: 16A Rated voltage: AC 90-400V, DC 12-400V Icu: 4000A Uimp: 4KV Package List: 1 x circuit breaker box (top and bottom) 1 x electrical tape 2 x waterproof cap 2 x waterproof connector 2x Ring 2 x waterproof ring 7 x Screw 4 x anchor 4 x connection terminal 1. Open the package and take out the product.2. Install the accessories in the electrical box.3. The circuit breaker can be used after wiring is installed.