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Have you heard about the self-reclosing RCCB REC3?

You don’t have to throw more food away from your fridge after a weekend getaway.

Who never has come late at home on Sunday after spending weekend away with the family? This weekend getaway that you really needed to disconnect from work, you have just arrived at home, wishing to sit on your couch ... wait a minute! You have to clean the fridge...

By installing our self-reclosing RCCB REC3, you won’t worry about the power off again, don’t be afraid if food spoils

REC3 have a self-reclosing system which automatically returns the power when you have a power failure. If it detects that the problem persists, REC3 open the circuit permanently to keep safe your installation.

REC3 is smart, simple, easy to use and especially safe; is the solution that will make your life easier. Don't worry if the power is off, REC3 restores it.

And enjoy your weekend!


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


You can read our news in the news section.
You can also follow our publications on CIRCUTOR's Twitter account, and on LinkedIn.

SC3. New Split-core efficient transformer

CIRCUTOR launches to the market the new SC3 efficient current transformer to read values up to 125 A, it is specially designed to be installed above any breaker. Its split core enclosure is the most notable feature because it is very easy to install since it does not need to have the power cables disconnected.

The SC3 transformer allows the opening of one side or both, allowing easy installation in any type of electrical switchboard, thus avoiding connection problems due to lack of space. In addition, the SC3 transformer has a secondary output of 250 mA, getting lower losses than a conventional transformer.

The SC3 transformer is fully compatible with CIRCUTOR's MC devices:


Download the technical information from the following link:


You can read our news in the news section.
You can also follow our publications on CIRCUTOR's Twitter account, and on LinkedIn.

Do you not yet know the CIRPOWER HYBRID 4K-48 inverter?

Enter and discover the main features of this unique inverter in its category

CIRCUTOR has developed some of the most innovative and advanced solutions in the photovoltaic self-consumption sector in recent years, leading initiatives and work groups to facilitate the legalisation of installations interconnected to the grid for self-consumption with zero injection.

After revolutionising the instantaneous self-consumption market with the CDP (Dynamic Power Controller), CIRCUTOR now presents the CIRPOWER HYBRID 4k-48 hybrid inverter.

This 4 kW inverter works like a central system by managing energy flows between solar panels, batteries, power loads and the grid. The unit applies different strategies to adapt to the user's needs. Both isolated and network connected applications.

View of the unit and energy flow display screen
View of the unit and energy flow display screen

This unit is the perfect blend between functionality and aesthetics, as it has been specifically developed for the residential sector. Thanks to its elongated shape and natural ventilation, with less than 30 dB it is the quietest unit in the market, making it ideal for this sector. The different operating modes allow you to adapt to any user need:

  • Self-consumption (without injection into the grid):
    With this strategy, solar energy is used to cancel the instantaneous consumption of loads. Surplus energy is used for charging the batteries. When generation is less than demand, battery discharge helps to achieve the balance.
  • Automatic:
    In this operating mode the battery is solely intended to power the loads when there is a power failure. Each day, the unit will prioritise a full charge of the batteries if they are not charged. If there is not enough module power, the unit will use the energy from the grid to charge them. Surplus energy will be injected into the grid regardless of the consumption of a home. The strategy is especially recommended for homes frequently cut off from the electric supply.
  • Peak Shaving:
    This strategy allows users to manage the contracted power of their home. The unit works in self-consumption mode with the instantaneous flows and reserves the battery power to cover peak power demand.
  • Isolated:
    The isolated strategy completely disconnects the unit from the grid. The unit has a programmable management function that enables the connection and disconnection of priority consumption depending on the state of charge of the battery.
  • Backup:
    In this operating mode, the user has full battery capacity available when there is a power outage. This function is especially recommended in homes with weak grids. The unit will use the batteries in UPS mode.

Applications and operation:

  • Single-phase measurement of consumption of secured loads in the building
  • DC/DC conversion of energy supplied by the solar photovoltaic modules with maximum power point tracking (MPPT)
  • Regulation of charging/discharging process of battery according to its state of charge (SOC)
  • CAN Bus communications channel to manage its operation with state-of-the-art lithium ion batteries
  • Charge capacity of 40 A / discharge capacity of 80 A on 48 Vdc batteries
  • Single-phase 4 kVA dual DC / AC transducer
  • Management algorithms to achieve zero injection into the distribution network
  • Islanding capacity in case of failures of the distribution lines
  • Download of accumulated data remotely via Ethernet communication channel
  • Graphical touch screen for local configuration and display of energy flows and main operating parameters
  • Remote display of energy flows through Ethernet communication channel

New and value-added aspects:

  • The quietest hybrid inverter in the market thanks to its natural ventilation.
  • Patented tracking algorithm of the maximum power of photovoltaic modules even in a partially cloudy situation.
  • Patented load-transfer algorithm without zero-crossing.
  • Operating capacity as a current generator connected to a grid or voltage generator as an isolated source without zero-crossing switching
  • Incorporation of power control algorithms to prevent injection into the grid
  • Remote monitoring incorporated in the unit through use of a web server



More information: Multi-management hybrid solar inverter


You can read our news in the news section.
You can also follow our publications on CIRCUTOR's Twitter account, and on LinkedIn.

CirPUMP. Water solar pumping solutions with standard motor drivers

CirPUMP kits

CirPUMP kits

CirPUMP KITS are integrated solutions for the solar water pumping with standard motor drivers. Solar energy is collected by the photovoltaic modules, the variable-frequency motor driver converts the incoming direct current from PV to alternating current adjusting the right frequency and voltage magnitudes in function of the available solar energy. These kits incorporate all the elements needed for the best pump performance and the maximum efficiency of the solar energy:

  • Photovoltaic array. Solar modules and racking system
  • Pump and MPPT controllers. SPC and VSTC
  • I G5A and IP5A series from LS-IS motor drivers
  • Motor-pump set for a wide range of hydraulic requirements
  • Monitoring devices and data logger
CirPUMP kits 

CirPUMP kits

CirPUMP kits

Solar pump controller (SPC)

The solar pump controller manages all the solar pump system. SPC incorporates specific motor driver control programming, the user doesn't have to expend time and resources and just an easy user friendly set up of the solution, simplifying the commissioning of the installation.
CirPUMP kits

Voltage String Controller (VSTC-1 ... VSTC-6)

The voltage string controller allows the optimization of the solar field by connecting/disconnecting the right number solar of modules on each string to adjust the appropriate operating voltage based on different environment temperatures, also it prevents to surpass the maximum voltage allowed in the motor drivers.
CirPUMP kits

The VSTC-1 incorporates solar irradiance measurement, improving start/stop operations in sunrises, sunsets and cloudy days. 

The VSTC devices perform three important added value control differentiating CirPUMP solution from any other system in the market:

  • Solar yield optimization
  • Motor driver overvoltage protection
  • Start/stop operations Improvement reducing solar pump stress



  Pump rates
  Power (kW)   Elevation (m)   Water flow (l/min)  
CirPUMP-6A     6   4 - 45   20 - 335   600 - 780  
CirPUMP-6B     6   4 - 45   12 - 245   840 - 1020  
CirPUMP-6C     6   4 - 45   10 - 190   1080 - 1260  
CirPUMP-8A     8   4 - 90   15 - 420   900 - 1350  
CirPUMP-8B     8   7,5 - 90   15 - 270   1500 - 1950  
CirPUMP-8C     8   5,5 - 90   10 - 210   2100 - 2250  



Download leaflet: es  en 


Datasheet: CirPUMP. Water solar pumping solutions with standard motor drivers


Energy efficiency kits

Reactive energy efficiency kit

It benefits from the attractive payback of a capacitor bank and features a built-in energy efficiency system.

CIRCUTOR's capacitor banks can feature the Reactive Energy Efficiency Kit as an option. It is composed of a reactive energy regulator, which also acts as a powerful power analyzer, an EDS energy efficiency manager with an embedded SCADA application, designed for energy management, and a web server.

The main advantages of installing the Reactive energy efficiency kit are:

  • Avoid reactive power and maximeter consumption penalties, receiving alarms via email or on the screen.
  • Locate and avoid unnecessary consumption.
  • Control the daily and monthly cos φ value, energy consumed, instantaneous active power and maximeter.
  • Check the consumption and cost/kWh load curve to contract the most adequate electricity tariff for each profile.
  • View the current, voltage and harmonic distortion levels (THD).
  • Register and monitor the CO2 emissions.
  • Assign the relay outputs of the EDS to the maximeter measurements and configure visual or sound alarms.

Reactive energy efficiency kit

Essential energy efficiency kit

The easiest way to control and reduce your consumption.

The Essential Energy Efficiency kit is a compact unit that hosts 5 power analyzers to measure and control energy.

The embedded SCADA application of the EDS provides data to the user about how and when the main energy is being consumed in real time (on-line) or time-delayed (off-line), showing and recording all vital information to perform energy analyses, with the purpose of reducing or eliminating unnecessary consumption.

The main advantages of installing the Essential energy efficiency kit are:

  • Control the total consumption of the installation and in the main lines of the building, office, company, etc.
  • Analyse historical data to find and avoid unnecessary consumption in your installation
  • View the consumption and cost/kWh load curve to contract the most adequate electricity tariff for each profile.
  • Avoid reactive power and excess demand consumption penalties, receiving alarms via email or on the screen.
  • Register and monitor the CO2 emissions.
  • Assign the relay outputs of the EDS to the maximeter measurements and configure visual or sound alarms.

Essential energy efficiency kit


More information: Discover our new Energy Efficiency Kits


You can read our news in the news section.
You can also follow our publications on CIRCUTOR's Twitter account, and on LinkedIn.

Don't worry, it will be back

REC3, interruptor diferencial autorearmable


If the power is off,
REC3 restores it

If the power is off, REC3 restores it

    The REC3 range features 2 or 4-pole RCCBs, associated with a smart resetting motor, which resets the RCCB automatically, protecting the electrical installation and persons.    


Continuity guarantee   Plug & Play. Fixed sequence   Rapid statusmonitoring   Spacesaving
Continuity guarantee
de servicio

Plug & Play.
Fixed sequence

  Rapid status


It is installed as any other RCCB. No additional connections between the motor and switch are needed.  

Mechanism on the front panel used to switch the RCCB ON/OFF, reset the resetting counter and lock the unit.

  Locking system that sets operation to the automatic or manual mode. Sealable.


Keeps the installations
always at full

Housing   Services   Industry
Second homes, refrigerators, alarms,garage doors, etc.   Air conditioning, refrigerating chambers,lighting, UPS, etc.   Control of production processes, etc.
Second homes, refrigerators, alarms, garage doors, etc.  

Air conditioning, refrigerating chambers, lighting, UPS, etc.

  Control of production processes, etc.


Incredibly easy to install

Complies with all requirements for household and similar automatic resetting devices described in the EN 50557 Standard..

REC3 installation   REC3 installation   REC3 installation

Disconnect the main switch of the installation (IGA). ¡Important! Do not tamper with the voltage circuits.

Next, remove the protection cover from the electric panel.


Disconnect the RCCB to be replaced from the terminal.

Replace it with the new REC3 self-resetting switch.

Connect the input and output terminals of the switch. It is now installed!


Finally, connect the IGA.

Press the TEST key to check the correct operation of the REC3 before putting the protection cover back on.

Put the protection cover back on the electric panel to complete the installation. As easy as it looks.








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

SATTechnical Support
(+34) 93 745 29 19

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