N-Type TOPCon Cell Platform
N-type TOPCon cells use passivated contact technology to support high conversion efficiency and dependable energy generation across demanding PV projects.
660W Bifacial TOPCon Solar Module
BSM660G12-60HNH
High-power bifacial N-type TOPCon solar module for commercial and utility-scale PV projects, combining 660W rated output with dual-glass construction and an 80% ±10% published backside output ratio.
660 WRated power24.43%EfficiencyN-type TOPConCell technology
Module overview
Built for High-Power Commercial & Utility Projects
The Bluesun 660W bifacial TOPCon solar module is designed for commercial and utility-scale projects where module power, installation efficiency and long-term energy generation are important.
Its N-type TOPCon cell platform is combined with bifacial dual-glass construction for projects that can benefit from rear-side irradiance.
For system design, evaluate the module together with inverter limits, string configuration, mounting structure, site conditions and project-specific certification requirements.
Bifacial Dual-Glass Construction
The module uses 2.0 mm front and rear glass, with an 80% ±10% published backside output ratio under STC for projects designed to use rear-side irradiance.
High-Power Project Format
The 660W power class and 2382 × 1134 mm module format are suited to commercial and utility arrays when checked against mounting, handling and electrical requirements.
Applications
Designed Around Larger Solar Projects
The 660W bifacial TOPCon solar module is intended for commercial and utility PV installations where module power, electrical compatibility, mounting design and project-level efficiency are important considerations.
Commercial & Industrial Rooftops
A high-power bifacial module option for factories, warehouses and commercial roofs where installation area, string design, structural conditions and system output need to be balanced.
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Utility-Scale Solar Arrays
Suitable for large ground-mounted PV projects where module power, bifacial gain potential, electrical design, mounting configuration and long-term energy generation are key project factors.
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660W Solar Module Specifications
Review the published electrical characteristics of the Bluesun BSM660G12-60HNH solar module under STC and NMOT conditions.
| Parameter | STC | NMOT |
|---|---|---|
| Maximum power (Pmax) | 660 W | 501 W |
| Open-circuit voltage (Voc) | 53.62 V | 50.97 V |
| Short-circuit current (Isc) | 15.65 A | 12.77 A |
| Operating voltage (Vmp) | 43.75 V | 41.48 V |
| Operating current (Imp) | 15.09 A | 12.08 A |
| Module efficiency | 24.43% | — |
All electrical values shown on this page match the supplied Bluesun BSM645-665G12-60HNH datasheet, release 2026-07 Rev01 EN.
Installation data
Dimensions and Operating Limits
Review the module dimensions, weight, construction and published operating limits before system design and installation.
Use the original datasheet for mounting-hole locations, electrical ratings and project engineering details.
2382 mm1134 mm
30 mm frame depth · 31.75 kg
Mechanical
- Cell type
- N-type TOPCon
- Cell arrangement
- 132 (6 × 22)
- Dimensions
- 2382 × 1134 × 30 mm
- Weight
- 31.75 kg
- Front glass
- 2.0 mm high-transmittance AR coated tempered glass
- Rear glass
- 2.0 mm high-transmittance coated tempered glass
- Frame
- Anodized aluminium alloy
- Junction box
- IP68
- Bypass diodes
- 3
- Packing
- 36 modules/carton · 720 modules/40HQ
Operating conditions
- Maximum system voltage
- 1500 V DC
- Operating temperature
- −40°C to +85°C
- Maximum series fuse
- 30 A
- Static load
- Snow 5400 Pa / wind 2400 Pa
- Safety class
- II
- Connector
- MC4 / MC4-EVO2
- Temperature coefficient, Pmax
- −0.29%/°C
- Temperature coefficient, Voc
- −0.26%/°C
- Temperature coefficient, Isc
- +0.045%/°C
- Nominal module operating temperature
- 45 ±2°C
- Backside output ratio
- 80% ±10%
Product resources
660W Bifacial TOPCon Solar Module Datasheet
Download the published datasheet for the BSM660G12-60HNH bifacial TOPCon solar module, including electrical characteristics, mechanical data and operating conditions.
Product FAQ
660W Bifacial TOPCon Solar Module FAQs
Product-level answers based on the published BSM660G12-60HNH technical documentation.
What is N-type TOPCon technology?
N-type TOPCon uses passivated contact cell technology designed to support high conversion efficiency and dependable energy generation. Review the published datasheet for the exact characteristics of this model.
Is the BSM660G12-60HNH a bifacial solar module?
Yes. The published datasheet specifies bifacial dual-glass construction and an 80% ±10% backside output ratio under STC. Actual rear-side contribution depends on mounting, reflectivity and site conditions.
Can this 660W module be used for commercial projects?
Yes. It can be considered for factories, warehouses and other commercial PV projects where its dimensions, electrical characteristics, mounting requirements and certifications meet the system design.
Is the 660W TOPCon module suitable for utility-scale projects?
Yes. The module is intended for high-power applications and can be evaluated for utility-scale arrays based on project electrical, structural, environmental and certification requirements.
What are the module dimensions and weight?
The BSM660G12-60HNH measures 2382 × 1134 × 30 mm and has a published weight of 31.75 kg.
How do STC and NMOT power ratings differ?
STC values are measured under standardized laboratory test conditions, while NMOT values represent module performance under more representative operating conditions. The published values for this model are 660W under STC and 501W under NMOT.
What certifications are listed for this module series?
The supplied datasheet lists IEC 61215, IEC 61730, CE and TÜV for the module series. Confirm the exact documents required for the destination market before project approval.
Product inquiry
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660W Bifacial TOPCon Solar Module
Model: BSM660G12-60HNH Category: Solar Panels