Phoenix Contact 1154891

The string combiner box, identified by the designation code SOL-SC-24ST-1-15F-00003131, is engineered for photovoltaic applications, supporting a maximum system voltage of 1500 V DC. It facilitates the connection of up to 24 strings, ensuring effective management of solar energy production.

This box features dual-sided fuse protection via fuse holders, integrated DC isolators, and surge protection compliant with T1/T2 standards. The cable entry utilizes a multi-cable gland, allowing for various cable configurations. Each box is equipped with 15 A fuse-links for enhanced safety.

Constructed from fiberglass-reinforced plastic, the housing is suitable for outdoor installation in roofed areas, provided it is shielded from direct sunlight. It meets a degree of protection rated at IP65, ensuring dust and water resistance, while its impact strength is rated at IK10.

Operating within an ambient temperature range of -20 °C to 60 °C, the device begins derating at temperatures exceeding 45 °C. The specifications include a switching capacity of 315 A at 1500 V DC and a total discharge current of 40 kA for 8/20 µs and 12.5 kA for 10/350 µs.