A DC Disconnect (PV Disconnect) is essential for ensuring the safety of solar pump systems. It allows you to:

• Safely isolate the photovoltaic (PV) generator power source during installation or servicing.
• Disconnect the power in emergency situations, protecting both personnel and equipment.
• Comply with international safety standards (IEC/EN 60947-3).

The switch must be installed between the PV generator and the controller. It must meet the following minimum requirements:

• Minimum voltage rating: 220 V DC.
• Continuous current rating: Equal to or higher than the maximum current of the connected PV generator.
• DC specific design: The switch must be rated for DC, not AC.
• Compliance: Must meet IEC/EN 60947-3

The "S1-PV Disconnect" is a DC disconnect switch that meets all of the above requirements.

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WARNING - The On/Off switch of the S1-700 controller is a functional switch and does not disconnect power. A PV Disconnect switch rated at 220 V DC / 30 A DC and compliant with IEC/EN 60947-3 must be installed to ensure safe isolation of the pump controller.

A PV Disconnect can also be used with S1-200 systems as an optional accessory.

WARNING – Check the local safety regulations / code requirements for this type of installation.

The S1-PV Disconnect is a ready-to-use DC disconnect switch designed specifically for LORENTZ solar pump systems. It includes:

• Fixed MC4 connectors for quick plug-and-play installation.
• 0.5 m [1.6 ft] cable length for connecting to the PV generator and the S1 controller.
• Compliance with IEC/EN 60947-3 for safe and reliable operation.

The S1-PV Disconnect is specifically designed to meet all required standards, offering a reliable and safe solution for S1 solar pumping systems.

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