SHANDONG LANTIAN ENERGY TECHNOLOGY CO., LTD.
PRODUCT SELECTION REFERENCE

505 W Commercial N-Type Module
Technical reference: TSM-505NEG18R.28
Reviewed: 2026-10-15

Maximum power at STC: 505 Wp
Maximum power voltage (Vmp): 33.5 V
Maximum power current (Imp): 15.09 A
Open-circuit voltage (Voc): 40.3 V
Short-circuit current (Isc): 15.89 A
Module efficiency at STC: 22.7%
Power tolerance: 0 / +5 W
Cells: 108
Dimensions: 1,961 × 1,134 × 30 mm
Weight: 23.5 kg
Front / rear glass: 1.6 / 1.6 mm
Maximum system voltage: 1,500 V DC (IEC)
Max. series fuse: 30 A
Junction box rating: IP68
Pmax temperature coefficient: −0.29% / °C

Technical source: https://vertexsplus.trinasolar.com/wp-content/uploads/2024/03/DS-NEG18R.28-EN-1.pdf

Model-specific notes: Electrical values are STC. Do not mix this 505 W datasheet bin with newer 510 W variants.
Image reference: NEG18R.28 commercial family view shared by 500 / 505 W variants.

These are published supplier-reference values. Confirm the selected-model datasheet, rated conditions, compatibility, availability, certification, warranty and delivery scope in the final quotation.

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