String monitoring boxes (SMBs) serve as an advanced version of combiner boxes involving the collation of multiple strings of solar PV modules to transfer a single main output to inverters. Additionally, it allows monitoring electrical parameters of input strings, temperature, fuse status, SPD status, Disconnector switch status and, so on.

Fully Customizable up to 32 PV string inputs & 600 to 1500 VDC
• Built-in touch sale fuse, fuse holders and, DC isolator
• Integrated Surge protection devices
• Measurement accuracy of ±0.5%