Product types

Sunny Backup- Set S


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Sunny Backup- Set S

Reliable back-up electricity supply for single-family homes

Innovative power backup for private homes: as an add-on to the PV plant, the Sunny Backup Set S switches automatically to off-grid mode within 50 milliseconds in the event of grid failure. Whether in summer or winter, if the power goes out, owners of small to medium-sized PV plants and inverters from SMA can supply their most important consumer loads themselves. Our affordable complete solution is suitable for both new solar electricity systems as well as existing PV plants, which can be easily retrofitted with our certified Sunny Backup Set S.




 

Simple

  • Can be integrated into existing and new PV plants
  • Pre-configured set
Efficient
  • Energy supply and battery charging via the grid
  • Same high PV efficiency
  • Compact and affordable automatic transfer switch
  • Smaller battery dimensioning due to integration of the PV plant
Reliable
  • Automatic switching to backup supply in only approx. 50 milliseconds
 
 
 

  Sunny Backup
Set S
Output: Loads  
Nominal power / current during grid operation 5.7 kW / 25 W
Backup power (duration / 30 min / 1 min) 2.2 kW / 2.9 kW / 3.8 kW
Number of phases (grid operation / backup operation) 1 / 1
Voltage (range) 230 V (172.5 V – 264.5 V)
Frequency (range) 50 Hz (45 Hz ... 65 Hz)
Acceptable grid types TN
Typical duration of interruption in case of a grid failure 50 ms
   
Input PV Plant  
Nominal AC-PV power / current 4.6 kW / 20
Compatible PV inverters All Sunny Boy inverters*
   
Input Battery  
Nominal voltage / number of blocks 24 V / 2 x 12 V
Battery type, energy / capacity per block AGM, 3.4 kWh / 142 Ah
   
Efficiency / Self-consumption  
Maximum efficiency of backup operation 93.6 %
Self-consumption day / night (silent mode) 40 W / 6 W
Service life (according to Eurobat) Service life (according to Eurobat)
   
Protection  
DC reverse polarity protection / deep discharge protection — / yes
AC short circuit / AC overload yes / yes
Grid monitoring (SMA Grid Guard) / galvanic isolation yes / yes
   
General Data  
SBU dimensions (W / H / D) 470 / 445 / 180 mm
AS-Box dimensions (W / H / D) 200 / 300 / 120 mm
Battery dimensions per block (W / H / D) 498 / 230 / 177 mm
SBU weight / AS-Box / battery block 19 kg / 4.5 kg / 54.5 kg
Operating temperature range -25°C ... +60°C
Degree of protection of SBU / AS-Box (according to IEC 60529) IP54 / IP65
   
Features / Function  
Integrated bypass in case of fault / test operation yes / yes
State of charge calculation / communication line yes / 5 m
Array input (nominal power) —
SBU 2200 / AS-Box warranty (5 / 10 / 15 / 20 / 25 years) yes / opt. / opt. / opt. / opt.
Battery warranty (2 years) yes
AS-Box warranty (5 years) yes / opt. / opt. / opt. / opt.
Certificate and approvals (further approvals on request) CE, VDE 0126-1-1
   
Accessories  
Battery cables 4 m
Battery fuse "BATFUSE" yes
Interfaces (RS485 PB) opt.
Additional battery parallel / other battery opt. / opt.
External control unit "SRC-1" yes
   
Type designation SBU-Set-S.1
   
* SB 2500, SB 2800, SB 3000 model May 2005 or later  

Additional Information

  • manufacturer:  SMA Solar Technology / Germany /
Total Views: 2651

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