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Sunny String-Monitor


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Sunny String-Monitor

Central Inverters

SUNNY CENTRAL- High Tech for solar power stations

We have developed the Sunny Centrals specially for use in large PV power stations and open-field plants. Hence they possess completely special properties. String monitoring, capacity for teamwork and the ability to feed into the medium-voltage power grid make them first choice for PV systems with homogenous structure.

The Sunny Centrals are easy to install - indoors as well as outdoors. With peak efficiencies of over 98 % they belong to the most efficient central inverters on the market. maximum reliability and durability furthermore ensures the greatest investment security.


Sunny String-Monitor


Insurance for solar yields

With the Sunny String-Monitor, SMA offers detailed monitoring. By measuring and comparing the individual string currents, power deviations in the PV array are detected and analyzed by the inverter. According to preference, the device can be delivered either in an enclosure for wall mounting or as a distribution board. In addition to string current measurement, the Sunny String-Monitor features string fuse protection as well as an overvoltage protection device.



Precise

  • Perfect monitoring of all PV strings in the field


Flexible

  • Sunny String-Monitor is available with various connection types for string connection
  • For grounded or non-grounded PV arrays upon request
  • String monitoring with 8, 16 or 24 measurement channels
  • Optional remote-controlled DC switch


  Sunny String-Monitor Sunny String-Monitor 16 Sunny String-Monitor 24
Input data      
Max. permissible DC voltage 1000 V / 950 V 1000 V / 950 V 1000 V
Max. permissible DC current 130 A 280 A 320 A
Number of measurement channels 8 16 24
Max. string current per measurement channel 16.25 A 17.5 A 13.3 A
Nominal current string fuse 10 A, 12 A, 16 A, 20 A, 25 A 1) 10 A, 12 A, 16 A, 20 A, 25 A 1) 10 A, 12 A, 16 A, 20 A
       
General data      
Degree of protection IP65 IP54 IP54
Dimensions (W / H / D) 795 / 400 / 230 mm 1060 / 820 / 245 mm 1060 / 1085 / 245 mm
Weight 13 kg 70 kg 80 kg
Operating temperature range -25 °C ... +40 °C -25 °C ... +50 °C -25 °C ... +50 °C
Maximum permissible value for relative humidity 15 % ... 95 % 15 % ... 95 % 15 % ... 95 %
Interface RS485 RS485 RS485
       
Features      
DC switch opt. ja ja
DC switch with remote tripping opt. opt. opt.
Base installation — opt. opt.
       
Type designation SSM SM16-11 SSM24-11
       
1) When the 25 A fuse is used, the permissible DC input voltage is reduced to 950 V  

Additional Information

  • manufacturer:  SMA Solar Technology / Germany /
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