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TSEC TS66-CMH-550 H1 550W N-Type TOPCon Monocrystalline Solar Panel
Model TS66-CMH-550 H1 | N-Type TOPCon | 132 Monocrystalline Cells | Monofacial | 1500V System Voltage
Product Overview
The TSEC TS66-CMH-550 H1 550W N-Type TOPCon monocrystalline solar panel delivers high efficiency for modern solar projects. This premium module is designed for commercial, industrial, and large residential systems that demand reliable long term output. Its advanced N-Type TOPCon cell technology helps achieve a module efficiency of up to 23.2 percent under standard conditions. The 550 watt power rating allows more energy to be produced from limited roof or ground space. A robust mechanical design supports demanding environments, including coastal applications with salt mist exposure. The module operates within a wide temperature range from minus 40 to plus 85 degrees Celsius. Degradation is kept low with a total degradation rate of only 0.42 percent per year over the warranty period. Backed by a 12 year product warranty and a 30 year linear power warranty, this panel is engineered for dependable energy generation. Made in Taiwan by TSEC Corporation, the TS66-CMH-550 H1 offers bankable performance for long term solar investments. Its combination of high power density, durable construction, and trusted certification makes it a strong choice for project developers and installers.
Key Benefits
High power density for limited space: With 550 watts of rated output, each module delivers strong energy yield from a standard footprint. This helps reduce module count and balance of system costs on space constrained roofs and ground mounts.
Advanced N-Type TOPCon efficiency: N-Type TOPCon cell technology improves conversion efficiency and reduces light induced degradation. This results in more stable long term production compared with many conventional P type modules.
Extended 30 year performance warranty: The panel includes a 12 year materials and workmanship warranty and a 30 year linear power warranty. Power output is guaranteed at 91.4 percent after 20 years and 87.4 percent after 30 years.
Robust 1500V system compatibility: A maximum system voltage of 1500 volts supports longer strings and reduced cabling. This is ideal for commercial rooftops and utility scale arrays seeking optimized system design.
Durable build for harsh environments: The module features an anti salt mist frame and IP68 junction box. It is tested for high mechanical loads and wide temperature ranges, supporting reliable operation in challenging climates.
Low temperature coefficient for hot climates: A Pmax temperature coefficient of minus 0.29 percent per degree Celsius helps maintain output on hot days. Energy yield stays more stable when cell temperatures rise.
How It Works
This TSEC TOPCon monocrystalline solar panel converts sunlight into usable direct current electricity using advanced N type cells. Each of the 132 monocrystalline cells is designed to capture photons efficiently across a broad light spectrum. When sunlight strikes the cell surface, an electric field drives electrons to flow and create current. The panel is optimized for stable performance under standard test conditions of 1000 watts per square meter and 25 degrees Celsius. Improved low light response helps maintain production during cloudy mornings and late afternoons. The PV coated front glass and low water vapor transmission encapsulant protect the cells from moisture and environmental stress. Current and voltage are collected through high quality busbars, then routed through an IP68 junction box. From there, compatible connectors link the module into series strings and arrays for system level power delivery. The result is a reliable, high efficiency module that can be integrated into grid tied or off grid systems with suitable inverters and controllers.
N-Type TOPCon cell architecture: N-Type TOPCon cells are engineered with a passivated contact structure that reduces recombination losses. This architecture supports higher efficiency and contributes to additional power gain compared with conventional cells of similar size.
Module construction and protection: The cells are laminated between a PV coated front glass and a durable backsheet using a low WVTR encapsulant. This construction limits moisture ingress and supports long term reliability under thermal cycling and humidity.
System integration and power flow: Three bypass diodes in the IP68 junction box help reduce power loss during partial shading. The module connects through EVO 2 compatible connectors into strings that feed an inverter, which then converts DC power into AC electricity for site loads or export.
Technical Specifications
| Manufacturer | TSEC Corporation, Taiwan |
| Model Name | TS66-CMH-550 H1 |
| Cell Type and Technology | Monocrystalline N-Type TOPCon solar cells |
| Cells per Module | 132 monocrystalline cells |
| Nominal Max Power (Pmax) | 550 Wp |
| Power Range for Series | 525 Wp to 555 Wp module family |
| Module Efficiency | Up to 23.2% (range 22.1% to 23.4%) |
| Power Tolerance | ±3% |
| Voltage at Maximum Power (Vmpp) | 40.92 V |
| Current at Maximum Power (Impp) | 13.45 A |
| Open Circuit Voltage (Voc) | 47.75 V |
| Short Circuit Current (Isc) | 14.19 A |
| Nominal Operating Cell Temperature (NOCT) | 45 ± 2 °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Temperature Coefficient of Pmax | -0.29 % / °C |
| Temperature Coefficient of Voc | -0.25 % / °C |
| Temperature Coefficient of Isc | +0.045 % / °C |
| Maximum System Voltage | 1500 V DC |
| Series Fuse Rating | 25 A |
| Module Dimensions (H x W x D) | 2093 x 1134 x 35 mm |
| Weight | 25.5 kg |
| Front Glass | PV coated glass |
| Encapsulant | Low WVTR encapsulant film |
| Frame Type | Black, anti salt mist frame |
| Backsheet | Durable backsheet design |
| Junction Box Protection Class | IP68, 3 bypass diodes |
| Cable Specification | 1500 mm, 4 mm², 12 AWG, EVO 2 compatible connectors |
| Max Mechanical Load | 5400 Pa (as per temporary datasheet) |
| Total Annual Degradation Rate | Approx. 0.42% per year over warranty period |
Certifications & Compliance
Certifications: IEC 61215:2021, IEC 61730-1:2021, IEC 61730-2:2021, UL 61730 (certification in progress), ISO 9001:2015 quality management, ISO 14001:2015 environmental management, ISO 45001:2018 health and safety management.
Inverter Compatibility: Suitable for use with modern string and central inverters designed for 1500V DC systems. Always confirm specific inverter input limits and string design before installation.
Environmental: Designed with anti salt mist frame and high protection IP68 junction box, supporting use in coastal and harsh outdoor environments. Temperature range from -40 to +85 degrees Celsius with high mechanical load resistance.
Warranty: 12 year limited product warranty on materials and workmanship, plus 30 year linear power warranty. Guaranteed power output of 91.4% at year 20 and 87.4% at year 30 under standard conditions when installed according to TSEC guidelines.
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-20463 |
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| Manufacturer | PES Supply |
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