Ligitek Photovoltaic Co., Ltd. FEATURES: ‧Multicrystalline silicon photovoltaic module. ‧High power module using 6” multicrystalline solar cell. ‧Bypass diode is attached minimize power reduction caused by shade. ‧72 solar cells and connection in series. ‧Using optical low iron tempered glass, EVA resin, module with aluminum frame for outdoor use. ‧±5625 Pa(75 m/s wind velocity) testing load, extended test to CNS13972 for wind and snow loads. ‧The module will maintain 90% of minimum specification performance along the first 12 years, and will maintain 80% of minimum specification performance along sequent 13 years. LM250BB02/LM255BB02/LM260BB02/LM265BB02/LM270BB02/ LM275BB02/LM280BB02/LM285BB02/LM290BB02/ Maximum power (Pmax) 250W 255W 260W 265W 270W 275W 280W 285W 290W Maximum power voltage (Vpm) 34.06 V 34.28 V 34.53 V 34.83 V 34.98 V 35.22 V 35.36 V 35.50 V 35.72 V Maximum power current (Ipm) 7.34 A 7.44 A 7.53 A 7.61 A 7.72 A 7.81 A 7.92 A 8.03 A 8.12 A Open circuit voltage (Voc) 43.77 V 43.92 V 44.06 V 44.20 V 44.28 V 44.35 V 44.49 V 44.56 V 44.64 V Short circuit current (Isc) 7.86 A 7.93 A 8.00 A 8.06 A 8.13 A 8.21 A 8.27 A 8.33 A 8.39 A Module efficiency (ηm) 13.0% 13.2% 13.5% 13.8% 14.0% 14.3% 14.5% 14.8% 15.1% No. & type solar cells Maximum system voltage 72 in series/ 6”(156x156 mm) multicry TUV:DC 1000 V/UL:DC 600 V Series fuse rating 15 A Performance tolerance ±3% Operating temperature -40 to +90 ℃ Storage temperature -40 to +90 ℃ Dimensions Weight Output Terminal(Tyco J-Box) (STC) Standard Test Conditions: 25°C, 1 kW/m², AM 1.5 1486x1309x50 mm±2 mm/58.5”x51.5”x2”±0.08” 23.4 kg/51.59 lbs 1394462-4(-)/6-1394461-2(+) B6(RD-W04-02B) LM250BB02/LM255BB02/ LM260BB02/ LM265BB02/ LM270BB02/ LM275BB02/LM280BB02/LM285BB02/ LM290BB02/ ELECTRICAL CHARACTERISTICS DEPENDENCE ON TEMPERATURE ) A ( s p m A ) A ( s p m A AM1.5,1000W/m2 10 o CELL TEMP. 25 C 10 1000W/m2 8 1000W/m2 8 800W/m2 6 o 75 C 50 C 25 C 6 o 600W/m2 o 4 4 2 2 0 0 20 30 40 0 50 10 Temperature coefficient of Isc: 0.05%/℃ Power temperature coefficient: -0.46%/℃ Temperature coefficient of Voc: -0.35%/℃ NOCT:46±1℃ 20 ) V ( s t l o V 10 ) V ( s t l o V 0 30 40 50 OUTLINE DIMENSIONS A Section A-A A ---- Lead Wire ---- ++++ ++++ Field wiring:Cu wiring only, min. 12 AWG(4mm²), insulated for 90℃ min. B6(RD-W04-02B)