Parameters                                  type

BLT250M-48

Monocrystalline

Maximum power (watt)        W

250W

Production tolerance

+3% /-3%

Maximum power voltage       V

49.1±0.3V

Maximum power current      A                 

5.40A

Open circuit voltag        V

60.10V

Short circuit current         A    

5.83A

Size of module (wide and high)

1575*1082*50(MM)

Number of cells

96PCS

Size of cells(wide and high)

156mm*156mm , Monocrystalline

Weight per piece             KG

21.5KGS

Certificates    

CE, ISO9001 ,TUV

Cable type and length,

connector type

TUV certified cable 1m long

Multi contact connecto (compatible to MC type IV)  

Temperature coefficient of Isc

±0.05%°C

Temperature coefficient of Voc

-0.33%°C

Temperature coefficient of power

-0.23%°C

Temperature coefficient of Imp

+0.08%°C

Temperature coefficient of Vm

-0.33%°C

NOCT(nominal operating cell temperature)

45°C(±°C)

Insulation     

100MOhm

Voltage standoff   

AC2000V, DC 3000V

Wind bearing 

60m/s(200kg/sq.m)

Impact resistance hail impact test

227g steel ball fall down from 1m  height

Encapsulated with toughened glass   

Low iron tempered glass with thickness of 3.2mm,light transmittance above91%

Backside foil     

PTL3-38/75(0.17mm thick),Krempel,0.17mm

Conversion efficiency

Cell conversion efficiency  18.7%

Quality guarantee 

5years product warranty,10years 90% and 20yesr 85% of the power