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Cell	Mono/poly-crystalline silicon solar cells 156mm×156mm
No. of cells and connections	60 (6×10)
Dimension of module	1640 ×992×50 (mm)
Weight	21 kg

Characteristics

Model	OP-235W	OP-230W	OP-225W	OP-220W	OP-215W
Open circuit voltage (Voc)	36.6V	36.5V	36.4V	36.3V	36.3V
Optimum operating voltage (Vmp)	29.3V	29.2V	29.1 V	29.1 V	29.1 V
Short circuit current (Isc)	8.82A	8.66A	8.50A	8.31A	8.12A
Optimum operating current (Imp)	8.02A	7.88 A	7.73 A	7.56A	7.38 A
Maximum power at STC (Pm)	235Wp	230 Wp	225Wp	220Wp	215Wp

STC : 1000W/㎡, 25℃, AM1.5
Limits

Operating temperature	-40 to +85℃
Maximum system voltage	1000 V DC

Temperature and Coefficients

NOCT	48℃±2℃
Current temperature coefficient	﹪/K	0.06±0.01
Voltage temperature coefficient	mV/K	-(155±10)
Power temperature coefficient	﹪/K	-(0.5±0.05)