Photovoltaic System Protection

The BY06H-125DC series 10-15kA DC miniature circuit breaker (MCB) offers reliable overload and short-circuit protection. With a rated current of up to 125A, 1P, 2P, 4P configurations, and voltages of 250VDC, 500VDC, or 1000VDC, it features a 27mm width and a flame-retardant casing.

The BY06-125DC series 6kA DC miniature circuit breaker (MCB) supports a rated current of up to 125A with 1P, 2P, and 4P configurations. It operates at 250VDC, 500VDC, or 1000VDC, offering overload and short-circuit protection. Featuring a flame-retardant casing and compact 27mm single-pole width, it ensures safety and durability.

The BY04-63DC series 6-10kA DC miniature circuit breaker (MCB), with a rated current of 63A, is available in 1P, 2P, 3P, and 4P configurations. It supports voltages of 250VDC, 500VDC, 750VDC, and 1000VDC, offering overload and short-circuit protection. Designed with a flame-retardant casing for enhanced safety.

The BY03H-63DC series 6kA DC miniature circuit breaker (MCB) offers overload and short-circuit protection for DC systems with rated currents up to 63A. Available in 1P, 2P, and 4P configurations, it supports 250VDC, 500VDC, and 1000VDC. Its flame-retardant casing enhances safety and durability in demanding environments.

The BY03-63DC series 4.5kA DC miniature circuit breaker (MCB) offers overload and short-circuit protection for DC systems with rated currents up to 63A. Available in 1P, 2P, and 4P configurations, it supports 250VDC, 500VDC, and 1000VDC. Its flame-retardant casing enhances safety and durability in demanding environments.

The BY02-63DC series 3kA DC miniature circuit breaker (MCB) offers overload and short-circuit protection for DC systems with rated currents up to 63A. Available in 1P, 2P, and 4P configurations, it supports 250VDC, 500VDC, and 1000VDC. Its flame-retardant casing enhances safety and durability in demanding environments.

The BY01-63DC series 3kA DC miniature circuit breaker (MCB) provides overload and short-circuit protection with rated currents up to 63A. Available in 1P, 2P, and 4P configurations, it operates at 250VDC, 500VDC, and 1000VDC, ensuring reliable protection for DC electrical systems across various applications.

The BY08DC 1+2-12.5 series T1+T2 DC Surge Protective Device (SPD) is designed for use in string boxes and inverters. With 2P and 3P configurations, it provides surge protection at voltages of 500VDC, 1000VDC, and 1500VDC. Equipped with high-energy MOV, it handles discharge currents from 20kA to 40kA, offering robust protection against electrical surges and transients.

The BY08IIDC-40 Series T2 DC Surge Protective Device (SPD) is designed for use in string boxes and inverters. It features 2P and 3P configurations and provides surge protection for DC circuits with voltage ratings of 600VDC, 1000VDC, and 1500VDC. Equipped with high-energy MOV, it offers discharge currents of 20kA-40kA, effectively protecting equipment from voltage surges and transients. This device ensures the safe operation of photovoltaic systems by preventing damage from lightning or other high-voltage spikes.

The BYF-63 series 10kA type B residual current device (RCD) provides advanced protection against AC, pulsing DC, compound, smoothing DC, and high-frequency residual currents up to 1kHz. Suitable for rectifier and inverter circuits, it supports 63A, 1P+N (230/240V) and 3P+N (400/415V) configurations.

The BYPV-63 series 1500VDC 50A fuse holder with 10x85mm 14x85mm fuse link is a powerful solution for short-circuit and overload protection in distribution lines. These fuse holders are designed with a rated voltage of 1500VDC and a rated current of 50A, aimed at meeting the needs of modern electrical systems.The BYPV-63 fuse holder is specifically designed to accommodate fuses in sizes of 10x85mm and 14x85mm, making it suitable for various applications. This adaptability allows seamless integration into existing systems, ensuring that users can choose the appropriate fuse according to their specific requirements.

The BYPV-30 series 1000VDC 32A fuse holder is equipped with a 10x38mm fuse link, designed specifically for solar photovoltaic (PV) power generation applications. The DC fuse is mainly used in the solar PV power generation DC combiner box to break the circuit overload and short circuit generated by the current feedback of the solar panel PV module and the inverter, so as to protect the solar PV module panel.