The CYB3-80W photovoltaic automatic reclosing circuit breaker is suitable for use in AC 50Hz, rated operating voltage up to 400V, and rated operating current up to 80A lines. It can perform remote automatic closing, opening control, or automatic signal control closing and opening of the lines, while also providing overload and short circuit protection for the lines. It has the function of power outage opening and automatic closing when power is restored. At present, it is widely used in photovoltaic grid connected AC distribution boxes, as well as in situations where personnel are difficult to access, maintenance personnel cannot be in place in a timely manner, unmanned situations, and situations with high requirements for power supply continuity.

Compliant with standards: GB10963.1、IEC60898-1， Having international advanced level.

2、 Normal working conditions and installation conditions

1. Environmental temperature: -25~+60 degrees Celsius;

2. Altitude: The altitude of the installation site shall not exceed 2000m;

3. Installation category: Level II and III;

4. Installation method: TH35-7.5 steel installation rail is used for installation.

3、 Main parameters and technical performance
1. Rated current In: 6, 10, 16, 20, 25, 32, 40, 50, 63, 80A;
2. Pole count 1p+N, single-phase; 3p+N, three-phase 3, protection level: IP20
4. Rated working voltage Ue: 1P/N/2P 230V AC/50Hz3P+N/4P 400V AC/50Hz5, electrical life: ≥ 6000 times, cos=0.85~0.9; 6. Mechanical lifespan: ≥ 15000 cycles. 7. Automatic reclosing tc: ≥ 2S8, rated impact withstand voltage (uimp): ≥ 6KA

4、 Structural characteristics

The circuit breaker is equipped with automatic reclosing and opening devices, and has the following characteristics:

1. All poles are equipped with overload protection and short circuit protection functions;

2. Rated segmentation capacity up to 10KA;

3. The shell and components are made of high flame retardant, high temperature resistant, and impact resistant plastic;