Suntech STP 455 S-H48-Nkh+ - solar panel 455 W

CL-000794
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Description Suntech STP 455 S-H48-Nkh+

Solar panel Suntech STP 455 S-H48-Nkh+

Over the past few years the bar for a "high-power" mainstream module has moved from just over 400 W to well past 450, and the Suntech STP 455 S-H48-Nkh+ is the flagship of Suntech's 96 half-cell N-type TOPCon line, rated at 455 W with the highest efficiency in the series at 22.78%. On a ground-mounted station or a large industrial site, where the count runs into hundreds or thousands of modules, every extra watt per panel directly cuts the number of mounting points, cable length, connectors and installation hours needed per megawatt.

Why the highest wattage in the line is not just a number on the label

On a large site, the economics of a station come not only from module price but from balance-of-system (BOS) costs — racking, cable, trackers or frames, and installation labour. Fewer modules per megawatt, which the highest-power panel in the line delivers, means fewer mounting points, shorter cable runs and faster installation — bringing down the total system cost per kilowatt even if the module itself carries a slightly higher price than its lower-wattage siblings in the series.

96 half-cell N-type TOPCon cells under load

The high efficiency here is not a one-off lab figure but a consequence of the architecture: 96 half-cell N-type TOPCon cells reduce resistive losses through lower per-cell current, and N-type silicon avoids the boron-oxygen-related power dip that p-type PERC cells show in their first weeks of service. On a large array, where the combined output of a string depends on the panels behaving consistently with each other, predictable module-to-module performance matters almost as much as peak power.

Open-field heat and diffuse light

A ground-mounted station on open ground runs its panel surfaces hot in summer and, in winter or overcast weather, operates mostly under diffuse light. A lower temperature coefficient on TOPCon cells means less power loss during the hottest hours, when solar irradiance is already at its peak, while the ability to keep converting under diffuse light adds output during periods when weaker panels have largely stopped contributing. Over a full year, that adds up to a noticeably higher capacity utilisation factor.

Built for industrial-scale deployment

The glass-film construction (tempered glass front, polymer backsheet) at 21.5 kg remains a practical choice for sites where modules are handled and installed in large numbers — a lighter panel means faster logistics and mounting. Elevated snow and wind load resistance, typical of certified Tier-1 panels, the -40°C to +70°C operating range and the 1500 V maximum system voltage all match the requirements of industrial and utility-scale stations, where string length and equipment count are costed as a separate line item.

Who it suits

The STP 455 S-H48-Nkh+ is built for ground-mounted stations, large industrial roofs and utility-scale projects, where a single module's peak power and efficiency have a direct effect on the budget of the whole system, not just on one panel's datasheet.

Sizing your project

For a project starting at hundreds of kilowatts and up, it is worth working out the configuration in advance — send your site parameters to our managers. The STP 455 S-H48-Nkh+ is in stock, and larger batches can be supplied on an agreed schedule.

Characteristics Suntech STP 455 S-H48-Nkh+

Cell type
N-type TOPCon
Class
Tier-1
Color
Black
Construction
скло-плівка
Frame color
Black
Generation type
Однобічна
Maximum system voltage
1500 V
Module efficiency
22.78%
Number of cells
96 half-cell
Operating temperature
від -40 до +70°C
Power
455 W
Technology
Monofacial, Black Frame, N-type TOPCon
General characteristics
Country of origin
People's Republic of China
Country of origin
People's Republic of China
Guarantee
12 months
Manufacturer
Suntech
Overall dimensions
Length
1762 mm.
Thickness
30 mm.
Width
1134 mm.
Physical properties
Material of execution
Скло
Weight
21.5 kg.
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