Solar Blocking Diodes

  • Protects parallel solar systems from reverse polarity.
  • Helps keep generation voltages at safe levels.
  • Easy to connect with MC4 connections.
  • Rated for 1000VDC and 30A.
SKU: E/SBD Category:


Solar blocking diodes are designed to protect individual solar panels from the risk of reverse polarity currents caused by connecting two panels together in a parallel configuration (positive to positive, negative to negative). This can happen if one panel receives more light than the other and can lead to internal electrical damage.

Parallel configurations help keep generation voltages at safe levels and blocking diodes make it easy to connect two or more panels together using the universal MC4 connector. Each diode is also rated at 1000VDC, with a maximum current of 30A.