StecaGrid SEM

Smart Energy Manager


Smart Energy Manager for coolcept fleX, coolcept³ fleX, coolcept fleX XL

The solution for feed-in management

The StecaGrid SEM offers a variety of options for implementing feed-in management with a photovoltaic system. This allows a ripple control receiver for the respective distribution grid operator to be connected. In addition, the feed-in power at the grid connection point can be limited to an adjustable value or the ripple control signal can be switched to the relay output. Up to ten inverters can be connected to the StecaGrid SEM via the RS485 interface.

Simplest installation

StecaGrid SEM can be mounted in the control cabinet directly next to the ripple control receiver. The housing has the dimensions of a typical control cabinet and can be mounted on a top-hat rail. Power is supplied directly via 230 V. No plug-in power supply unit or external DC power supply is required.

A USB interface on the StecaGrid SEM can be used to access all connected StecaGrid inverters. A standard USB cable is used to establish the connection to a PC. The interface is attached to the front of the housing; this means that the cover in the control cabinet does not have to be removed.

StecaGrid SEM technische Zeichnung


Product features

  • Wall-mounting with top-hat rail
  • Compact and robust product design
  • Quiet and emission-free
  • Maintenance-free
  • Firmware update possible


  • 4 LEDs show operating states


  • Steca RS-485 bus


  • Can be connected to a data logger


  • Compliant with European Standards (CE)
  • Made in Germany


  •  StecaGrid SEM certificate CE · pdf · 0.801 MB
  •  StecaGrid SEM productdatasheet DE · pdf · 0,973 MB
  •  StecaGrid SEM productdatasheet EN · pdf · 0.973 MB
  •  StecaGrid SEM manual DE, EN · pdf · 2.216 MB
  •  StecaGrid SEM product pic drawing · jpg, 300 DPI, high quality · 0.264 MB
  •  StecaGrid SEM product pic drawing · jpg, 72 DPI, web quality · 0.178 MB
  •  StecaGrid SEM product pic 3D · jpg, 300 DPI, high quality · 1.039 MB
  •  StecaGrid SEM product pic 3D · jpg, 72 DPI, web quality · 0.334 MB
  •  StecaGrid SEM product pic · jpg, 300 DPI, high quality · 0.801 MB
  •  StecaGrid SEM product pic · jpg, 72 DPI, web quality · 0.265 MB

Technical data

 StecaGrid SEM
Characterisation of the operating performance
Own consumption
< 3 W
Operating conditions
Area of application
indoor rooms with or without air conditioning
Interface to inverter
Steca RS-485 bus with max. 1,000 m cable length and 10 bus participants at maximum
Ambient temperature
0 °C … +60 °C
Storage temperature
-40 °C … +85 °C
Relative humidity
0 % … 95 %
Noise emission
Fitting and construction
Degree of protection
IP 20
Terminal (fine / single wire)
1.5 mm² / 2.5 mm²
Dimensions (X x Y x Z)
72 x 91 x 58 mm
300 g
Power supply
230 V / 50 Hz or 60 Hz
Communication interface
2 x RJ45; 4 x analogue for ripple control receiver, via screw-type terminals; USB, type B socket; S0 interface
Relay output
potential-free contact, 250 V AC / 16 A
Test certificate
see certificate download on the product page
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