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Time-delayed self-consumption with storage. DC Coupling

In general, photovoltaic systems are composed of various independent DC generation circuits, depending on the number of MPPT trackers of the inverters of the photovoltaic assembly. These circuits must be protected against overcurrents and/or overvoltages. Likewise, the connections to the AC grid for discharging each inverter must be protected against earthing faults and shortcircuits.

CIRCUTOR's CDP CB combiner boxes group the necessary AC and DC connection and electrical protection elements in a single cabinet, which is pre-assembled and wired at the factory. In addition to the protection elements, the CDP CB range includes CDP grid injection control units, as well as the CVM-Mini auxiliary measurement and redundant protection units that disconnect the units from the power supply in the event of detecting reverse current in the grid.

The range of CDP CB combiner boxes has been designed to complement the range of self-consumption kits with zero injection into the grid.

Time-delayed self-consumption with storage. DC Coupling

Internal elements

  • Bidirectional inverter
  • Control and monitoring of batteries
  • Grid connection through transfer relay
  • Anti-islanding control
  • Internet data monitoring and logging


  • Self-consumption with grid-assisted storage
  • Power supply of guaranteed loads
  • Control of energy cost
  • Support for weak grids
  • Installations isolated from the grid


Click here to get more information about Self-consumption solutions

Contact us:
t. (+34) 93 745 29 00



Vial Sant Jordi s/n, 08232
Viladecavalls (Barcelona) Spain
Tel: (+34) 93 745 29 00
Fax (+34) 93 745 29 14

Technical Support

Tel. (+34) 93 745 29 19


Testing and Calibration

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