WT245 250P (PDF)

Photovoltaic Module
Wotech Solar

Polycrystalline
WT245-250P6-20
Quality and Safety
Rigorous quality control meeting the highest international
standards
High-transmissivity low-iron tempered glass, strong
aluminium frame Using UV-resistant silicon
ISO 9001:2008 、ISO 14001:2004 and OHSAS18001
IEC61215,IEC61730,Safety Class II,conformity to CE

Features
Aesthetic appearance with excellent efficiency
based on innovative photovoltalic technologies
High quality,strong aluminium frame,passing
mechanical load testing 5400 Pa and
wind pressure 2400Pa

Certificates

Warranties
10 years limited product warranty
15 years at90% of the minimal rated power output
25 years at80% of the minimal rated power output

Electrical Characteristics
Model

WT-235P6-20

WT-240P6-20

WT-245P6-20

WT-250P6-20

(Pamx)

235W

240W

245W

250W

Optimum Operating Voltage (Vmp)

30.4V

30.5V

30.5V

30.6V

Optimum Operating Current (Imp)

7.740A

7.858A

8.021A

8.161A

Open-Circuit Voltage

(Voc)

36.58V

36.75V

36.75V

36.90V

Short-Circuit Current

(Isc)

8.681A

8.824A

9.008A

9.155A

Solar Cell Efficiency

(%)

16.4

16.7

17.1

17.4

Solar Module Efficiency

(%)

14.36

14.66

14.97

15.27

Maximum Power at STC

Operating Temperature

-40to85℃

Maximum System Voltage

DC1000

Maximum Series Fuse Rating

15A

Power Tolerance

+3%

STC:Irradiance 1000W/㎡,Modules Temperature 25℃,AM=1.5

Wotech Solar Group Limited
Add：No.199, Xinyu Rd, Zhabei District, Shanghai, China.
Tel: +86-021-62099100
Fax : +86-021-62099100

Email:info@wotechsolar.com

www.wotechsolar.com

Wotech Solar

Engineering Drawings

2

Ⅱ

Darinage holes
Model Number
(Pmax)
Rated Maximum Power
Output Tolerance
(Imp)
Current at Pmax
(Vmp)
Voltage at Pmax
(Isc)
Short-Circuit Current
(Voc)
Open-Circuit Voltage
Nominal Operating Cell Temp
Weight
Domension
Maximum System Voltage
Maxmum series Fuse Rating
Cell Technology
Application Class A
All technical data at standard test condition
AM=1.5

E=1000W/m 2

Tc=25

Ⅰ

8-9*14

Ⅰ

Mounting slots

BACK VIEW
2- 4
Ground holes

Ⅱ

A

A

Section A-A

Mechanical Characteristics

IV-Curves
Current-Voltage&Power-Voltage Curve(240)
9

1000W/㎡

250

800W/㎡

200

600W/㎡

150

Poly-Crystalline156*156mm

No.of cells

60 (6×10)

Dimensions

1650mm*992mm*45mm

Weight

19kg

Front glass

3.2mm tempered glass

Frame

Anodized aluminium alloy

Junction box

PV-YH0906

Connector

Plug and socket

Output cables

PV 4.0mm²,0.9m

1*20'

294 pcs

1*40'

616 pcs

1*40'HQ

700 pcs

7

Current(A)

Solar cell

6
5
4

400W/㎡

Power(W)

8

100

3

200W/㎡

2

50

1
0

0
0

5

10

15

20

25

30

35

40

Voltage(V)

Wotech Solar Group Limited
Add：No.199, Xinyu Rd, Zhabei District, Shanghai, China.
Tel: +86-021-62099100
Fax : +86-021-62099100

Temperature Coefficient
Nominal Operating Cell Temperature (NOCT)

47℃+/-2℃

Temperature Coefficient of Pmax

-0.47%/K

Temperature Coefficient of VOC

-0.351%/K

Temperature Coefficient of ISC

+0.035%/K

Email:info@wotechsolar.com

www.wotechsolar.com