Silfab 490 Spec Sheet - Power (measured in watts) and efficiency. Maximum surface load (wind/snow) 2400. Web dc electrical characteristics stc power rating 490w ptc power rating 456.48w 1 stc power per unit of area 19.4w/ft2. Web 4.83 496 reviews. Module efficiency (%) stc 20.9 / noct 19.3. Web maximum system voltage (vdc) 1500.
Web dc electrical characteristics stc power rating 490w ptc power rating 456.48w 1 stc power per unit of area 19.4w/ft2. Maximum surface load (wind/snow) 2400. Power (measured in watts) and efficiency. Web maximum system voltage (vdc) 1500. Web 4.83 496 reviews. Module efficiency (%) stc 20.9 / noct 19.3.