Polycrystalline Modules

The Bisol Spectrum polycrystalline silicon module is designed and manufactured in Europe. The colored modules offer excellent performance even in low light conditions.

PID-free and exclusively positive output power tolerances – available in various colours: rustic red, pine green, charcoal grey, marble pink, marble grey, marble gold, charming purpble, marble green and olive green.

Equipped with all relevant certificates and an extremely low degradation. Includes 25 year linear warranty.

Mechanical specifications

Lenght x Width x Thickness BMU: 1,649 mm x 991 mm x 35 mm  /
BSU (Solrif®): 1,692 mm x 1,016 mm x 29 mm
Weight BMU: 18.3 kg
BSU (Solrif®): 18.4 kg
Solar Cells 60 multi c-Si in series / 156 mm x 156 mm (6+”)
Cell Colour Pattern Single-shade or multi-shade (Marble)
Junction Box / Connectors Three bypass diodes / MC4 compatible / IP67
Frame Standard frame (anodized AL with drainage holes and
rigid anchored corners) or BIPV (Solrif®) frame
Frame Colour Any RAL colour code, black or silver
Back Sheet Colour Black, white or transparent
Glass 3.2 mm glass with anti-reflective coating / tempered / high-transparency / low-iron content
Packaging BMU: 30 modules per pallet / stackable 3 pallets high
BSU (Solrif®): 24 modules per pallet / stackable 2 pallets high
Certified Nominal Load (snow/wind) BMU: 5,400 Pa / 2,400 Pa 
BSU (Solrif®): 2,400 Pa / 2,400 Pa
Impact resistance Hailstone / Φ 25 mm / 83 km/h (51 mph) 

All unspecified tolerances are ± 5 %. Unspecified product properties remain under full discretion of BISOL.

Electrical specifications @ STC (AM 1.5, 1,000 W/m2, 25 °C): 

Module Type (BMU or BSU) 255 280*

Maximum Power PMPP [W] 255 280
Short Circuit Current ISC [A] 8.85 9.50
Open Circuit Voltage VOC [V] 38.9 39.7
MPP Current IMPP [A] 8.45 9.10
MPP Voltage VMPP [V] 30.2 30.8
Solar Cell Efficiency ɳC [%] 17.5 18.9
Module Efficiency ɳM [%] 15.6 17.1
Power Output Tolerance 0+5W (Rustic Red) / ± 3 % (other colours)
Maximum Reverse Current    18 A
Maximum System Voltage 1,000 V (Application Class A)

Power classes vary depending on colour. │ Efficiency at irradiation 200 W/m2: 99.3 % of STC efficiency or higher. │ Power measurement tolerance: ± 3 %.  │ *Available only for BISOL Spectrum Rustic Red.

Thermal Specifications:
 

Current Temperature Coefficient α + 0.049 %/K
Voltage Temperature Coefficient ß – 0.31 %/K
Power Temperature Coefficient γ – 0.40 %/K
NOCT 44 °C
Temperature range -40 °C to + 85 °C


All unspecified tolerances are ± 5 %. Unspecified product properties remain under full discretion of BISOL.