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Inverters

SMA Inverters.  G83 approved for grid tied systems.

Input (DC) Sunny Boy 1100 Sunny Boy 1200* Sunny Boy 1700 Sunny Boy 2500 Sunny Boy 3000
Max. DC power 1210 W 1320 W 1850 W 2700 W 3200 W
Max. DC voltage 400 V 400 V 400 V 600 V 600 V
PV-voltage range, MPPT 139 V – 320 V 100 V – 320 V 139 V – 320 V 224 V – 480 V 268 V – 480 V
Max. input current 10 A 12.6 A 12.6 A 12 A 12 A
Number of MPP trackers 1 1 1 1 1
Max. number of strings (parallel) 2 2 2 3 3
Output (AC)          
Nominal AC ouput 1000 W 1200 W 1550 W 2300 W 2750 W
Max. AC power 1100 W 1200 W 1700 W 2500 W 3000 W
Max. output current 5.6 A 6.1 A 8.6 A 12.5 A 15 A
Nominal AC voltage / range 220 V – 240 V / 180 V – 260 V 220 V – 240 V / 180 V – 260 V 220 V – 240 V / 180 V – 260 V 220 V – 240 V / 180 V – 260 V 220 V – 240 V / 180 V – 260 V
AC grid frequency (self-adjusting) / range 50 Hz / 60 Hz / ±4.5 Hz 50 Hz / 60 Hz / ± 4.5 Hz 50 Hz / 60 Hz / ± 4.5 Hz 50 Hz / 60 Hz / ± 4.5 Hz 50 Hz / 60 Hz / ± 4.5 Hz
Phase shift (cos φ) 1 1 1 1 1
AC connection single-phase single-phase single-phase single-phase single-phase
Efficiency          
Max. efficiency / Euro-Eta 93.0 % / 91.6 % 92.1 % / 90.7 % 93.5 % / 91.8 % 94.1 % / 93.2 % 95.0 % / 93.6 %
Protection devices          
DC reverse polarity protection yes yes yes yes yes
ESS DC load-disconnecting switch yes yes yes yes yes
AC short-circuit protection yes yes yes yes yes
Ground fault monitoring yes yes yes yes yes
Grid monitoring (SMA Grid Guard) yes yes yes yes yes
Galvanically isolated yes yes yes yes yes
General Data          
Dimensions (W / H / D) in mm 434 / 295 / 214 434 / 295 / 214 434 / 295 / 214 434 / 295 / 214 434 / 295 / 214
Weight 22 kg 23 kg 25 kg 28 kg 32 kg
Operating temperature range –25 °C to +60 °C –25 °C ... +60 °C –25 °C ... +60 °C –25 °C ... +60 °C –25 °C ... +60 °C
Noise emission (typical) ≤ 39 dB(A) ≤ 41 dB(A) ≤ 46 dB(A) ≤ 33 dB(A) ≤ 30 dB(A)
Consumption: operating (standby) / night < 4 W / 0.1 W <4 W / 0.1 W <5 W / 0.1 W <7 W / 0.25 W <7 W / 0.25 W
Topology low frequency transformer LF transformer LF transformer LF transformer LF transformer
Cooling concept convection convection convection convection convection
Mounting location: indoors / outdoors (IP65) yes / yes yes / yes yes / yes yes / yes yes / yes
Features          
DC connection: MC4 MC4 MC4 MC4 MC4
AC connection: plug connector yes yes yes yes yes
LCD yes yes yes yes yes
           
Type Designation SB 1100 SB 1200 SB 1700 SB 2500 SB 3000

 

SB1100 £850 + VAT (£998.75)
SB1200 Not yet available
SB1700 £1120 + VAT (£1316.00)
SB2500 £1480 + VAT (£1739.00)
SB3000 £1590 + VAT (£1868.25)

 

Fronius Inverters.  G83 approved for grid tied systems.

Fronius IG 
15  
 20 
30 
Input Data   
     
MPP voltage range  150 - 400 V  150 - 400 V  150 - 400 V 
Max. input voltage (at 1000 W/m²; - 10° C) 500 V 500 V 500 V
PV system output  1300 - 2000 Wp  1800 - 2700 Wp  2500 - 3600 Wp   
Max. input current    10,8 A 14,3 A   19 A   
Output Data  
     
Nominal output   1300 W   1800 W  2500 W   
Max. power output   1500 W  2000 W  2650 W 
Max. efficiency  94,2 %  94,3 %  94,3 %   
Euro efficiency  91,4 %  92,3 %  92,7 %  
Mains voltage / frequency 230 V / 50 Hz (60 Hz)   
Distortion factor  < 3,5 %  
Power factor   1
Power consumption at night  0 W 
General Data   
     
Size l x w x h  366 x 344 x 220 mm (500 x 435 x 225 mm)  
Weight  9 kg (12 kg)       
Cooling  controlled forced-air cooling     
Protection class (housing)  IP 21 (IP 45)
Ambient temperature range  - 20 ... 50° C  
Permissible humidity  0 ... 95 % 
Protective Devices 
     
DC insulation measurement  warning when Riso< 500 k Ohm    
Polarity reversal protection       built-in  

 

IG15 £947 + VAT (£1112.73)
IG20 £1019 + VAT (£1197.33)
IG30 £1070 + VAT (£1257.25)

DC Isolators

Fully compliant DC isolators, grey enclosure, lockable black rotary knob, IP66

  Rated voltage @ Current Voc Max voltage @ Current
KG20 450V @ 16A, 500V @ 12A 520V @ 16A, 575V @ 12A
KG32 450V @ 25A, 500V @ 20A 520V @ 25A, 575V @ 20A

Higher capacity switches are available to order

KG20 £35.50 + VAT (£41.71)
KG32 £40.42 + VAT (£47.49)

AC Isolators

Fully compliant AC isolators, grey enclosure, lockable Red rotary knob, IP65

25A Double Pole 100 x 125 x 120 mm deep

£19.20 + VAT (£22.56)

Mounting Systems

Eco-nomical supplies the PV Light mounting system.  It comprises stainless steel roof anchors, extruded aluminium rails, and a variety of clips and brackets to fasten the modules.  This system enables a professional job to be completed relatively quickly and easily.  However it is not cheap, reckon on about £50-£80 per module.  What you need depends on the number and layout of modules, so please email or call us for a quote.  We need to know roof type, number of modules, numbers of rows and columns, and whether the panels are landscape or portrait format.  The installation manual for this system is available for download here.

It is possible to create your own mounting system from standard angle, T and channel extrusions, trading lower cost for greater effort.  We are happy to supply clips and roof anchors to customers proposing to do this, thus improving the appearance and speed of assembly, without a great cost penalty.

Cabling

We currently supply black 4mm pv cable.  We plan to offer connectors and crimping tools shortly.

4mm pv cable £1/m + VAT (£1.18)

 

Send mail to SW@eco-nomical.co.uk with questions or comments about this web site.
Last modified: 05-06-09