PHOENIX CONTACT SOL-SC-1ST-0-DC-1MPPT-2000 string combiner box, 1 MPPT, 2000 V DC, 20 A, IP65 1105827

Handle up to 2000 V DC and 20 A in photovoltaic systems with this single-string combiner box, featuring an integrated DC disconnector and Type 2 surge protection.

Overview

The PHOENIX CONTACT SOL-SC-1ST-0-DC-1MPPT-2000 is a wall-mountable string combiner box designed for photovoltaic applications. It consolidates one PV string with one MPPT input, supporting a maximum input voltage of 2000 V DC and a maximum input current of 20 A. The unit includes an integrated DC disconnector rated at 2000 V / 20 A and a Type 2 surge protection device (SPD) for 2000 V DC systems. Connections are made via MC4-compatible plugs, and the polycarbonate enclosure provides IP65 protection. Operating temperature range is -25 °C to 60 °C.

What stands out

• High voltage rating: 2000 V DC for modern PV strings
• Integrated DC disconnector for safe isolation
• Type 2 surge protection to shield against transient overvoltages
• IP65 enclosure for outdoor use
• MC4-compatible connections for quick installation

Technical details

• Number of PV strings: 1
• Number of MPPT inputs: 1
• Max. input voltage (Voc): 2000 V DC
• Max. input current (Isc): 20 A
• Max. output voltage: 2000 V DC
• Max. output current: 20 A
• Integrated DC disconnector: 2000 V / 20 A
• Surge protection device: Type 2 (2000 V DC)
• Connection type: MC4-compatible
• Enclosure material: Polycarbonate (PC)
• Protection class: IP65
• Ambient temperature (operation): -25 °C to 60 °C
• Mounting type: Wall mounting

Our verdict

A robust and safe solution for combining a single PV string, with integrated disconnection and surge protection for reliable operation.