Features Circuit Breaker With a rated voltage of 1000V DC and rated current of 40A, this circuit breaker also has a cut-off capacity of 4000A. Faster Disconnecting:The circuit breaker reacts quickly and can disconnect the circuit for electrical protection immediately. Widely Used Our circuit breaker is applicable to photovoltaic solar panel grid systems, off-grid solar systems, solar power generation systems, etc. A WATERPROOF BOX The IP65 waterproof box ensures high security outdoors while the transparent cover allows for easier checking. Quick to install: designed to have a compact size and light weight, the installation of this MCB is very convenient to complete. Specification: Element Type: Isolator Switch Model: DZ47Z 63. Material: PA66. Rated current: 40 A. Rated voltage: DC 1000 V. Icu: 4000A. Package list: 1 x circuit breaker box (upper and lower 2 parts). 1 x insulating tape. 2 x waterproof cover. 2 x waterproof connectors. 2 x rubber rings. 2 x waterproof rings. 7 x screws. 4 x wall plugs. 4 x connection clamps. 4 x PV cable Package List 1 x Miniature Circuit Breaker Box (Upper and Lower 2 Parts) 1 x Electric Tape 2 x Waterproof Cover 2 x Waterproof Connector 2 x Rubber Ring 2 x Waterproof Ring 7 x Screw 4 x Wall Plug 4 x Connecting Terminal 4 x PV Cable