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Data Sheet – Karra Model
1. Electrical Characteristics
1.1 Electrical Performance at Standard Test Conditions(*STC)
60Cells Panel Description
Karra-240
Karra-245
Karra-250
Karra-255
Wp
240
245
250
255
Max. Power voltage (Vmp)
V
29.6
29.8
30
30.2
Max. Power current (Imp)
A
8.1
8.2
8.3
8.4
Open circuit voltage (Voc)
V
37.3
37.5
37.7
37.9
Short circuit current (Isc)
A
8.7
8.7
8.8
8.8
Panel efficiency
%
13.8
14.1
14.4
14.6
Power tolerance
%
Item
Max. Power (Pmax)
Unit
±3
*STC(Standard Test Condition) : 1,000W/m², AM 1.5, 25℃
1.2 Electrical Performance at Nominal Operating Cell Temperature Conditions(*NOCT)
60Cells Panel Description
Karra-240
Karra-245
Karra-250
Karra-255
Wp
194
199
203
207
Max. Power voltage (Vmp)
V
30.6
30.8
31.0
31.2
Max. Power current (Imp)
A
6.4
6.4
6.5
6.6
Open circuit voltage (Voc)
V
37.7
37.9
38.1
38.3
Short circuit current (Isc)
A
7.0
7.0
7.0
7.0
Item
Max. Power (Pmax)
Unit
*NOCT(Nominal Operating Cell Temperature) : 800W/m², 20℃, wind speed 1m/s
1.3 Dependence of Irradiance
Page 5 - 1
Data Sheet – Karra Model
1.5 Thermal Characteristics
Rating
Unit
Value
NOCT
℃
45±2
Isc
%/℃
+ 0.06
Voc
%/℃
– 0.35
Pmax
%/℃
– 0.42
Temperature
Coefficient
1.6 AC Inverter(Optional)
INPUT(DC) DATA
P250LV-240
Recommended STC Panel Input Power Rating
235 W - 280 W
Maximum Continuous Input Power
250 W
Maximum Input Voltage
48 V
MPPT Voltage Range
18 V - 37 V
Maximum Power Voltage Range
25 V - 37 V
Maximum DC Short Circuit Current
15 A
Maximum Input Current
10 A
OUTPUT(DC) DATA
P250LV-240
Maximum Continuous Output Power
238 W
Nominal Output Current
0.99 A
Nominal Voltage
240 V
Operating Voltage Range
211 V - 264 V
Operating Frequency Range
59.3 Hz - 60.5 Hz
Adjustable Frequency Range
57 Hz - 62.5 Hz
Power Factor
> 0.99
Total Harmonic Distortion
IEEE 1547 Compliant
Page 5 - 2
Data Sheet – Karra Model
2. Mechanical Characteristics
Cells per Panel
60 Cells (6 x 10)
Cell Type
156x156 mm Multi-crystalline
Panel Dimension (L x W x H)
1,667 x 1,000 x 40 mm
Panel Weight
18.5 Kg (without inverter / 2.3 Kg)
Front Glass
3.2 mm Tempered Glass
Back Sheet
DuPont Tedlar film-based
Junction Box
Rated Current 14A / Rated Voltage 1000V(IEC) / IP65
Frame
Anodized Aluminum
Output cable
(+,-) 600mm / 4 ㎟ cable
Edge seal & J-box Sealant
Dow Corning
AC Inverter(Optional)
SolarBridge P250LV-240 / 27.2 x 10.1 x 3.5 mm
3. Qualification Tests
Temp cycling range
-40℃ to 85℃ for 200cycles
Damp heat test
85℃ and 85% relative humidity for 1000hr
Front load test
2400 Pa (Snow)
Rear static load test
5400 Pa (Wind)
Hailstone impact test
25mm hail at 23m/s from 1m distance
Page 5 - 3
Data Sheet – Karra Model
4. Safety ratings & Warranties
Safety application class
Class A
Fire Safety Classification
Class C
Certifications
Warranty
Performance guarantee
IEC 61215, IEC 61730
AC inverter - UL 1741 / CSA 107.1 / FCC Part 15 Class B
10 years limited product warranty
25 years limited warranty 80% power
AC inverter - 25 years
5. Characteristics for System Design
Temperature range
Maximum system voltage
-40℃ to 85℃
1,000V DC(IEC)
Maximum over-current protection
25 A
6. Monitor System
ü  Monitor each Karra panels individually at home or your smart phone.
ü  Safer for installer and system owners through elimination of dangerous high DC Voltage.
ü  Maximize each panel’s output to its full potential without it being affected by other panels in the array
7. Contact
E-mail : [email protected]
Phone : +61 1300 846 367
Website : www.tindosolar.com
Address : 6 Second Ave Mawson Lakes SA 5095
Page 5 - 4
Data Sheet – Karra Model
8. Panel Drawing
Page 5 - 5

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