แผงโซล่าเซลล์ 250W Poly Crystalline ยี่ห้อ LUXEN Rated Maximum Power (Pm) 250W Tolerance ± 3% Open-Circuit Voltage (Voc) 37.2 V Short-Circuit Current (Isc) 8.87 A Nominal Operating Cell Temp (NOCT) 45 ± 2°C Maximum System Voltage 1000 VDC Operating Temperature -40°C to +85°C Application Class Class A Cell Technology Poly …