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Model EMSC 330P | Polycrystalline | 72 Full-Cell Module | Monofacial | 1500V System Voltage
The Intelbras EMSC 330P 330W polycrystalline 72-cell solar panel is designed for reliable energy generation in residential, commercial, and rural projects of any size. With a maximum power output of 330 Wp and module efficiency of 17%, this panel delivers a strong balance between performance and affordability for grid-tied and off-grid systems. Each module is individually tested by Intelbras to ensure consistent quality and secure long-term operation in demanding outdoor environments. A robust anodized aluminium frame, IP67 junction box, and MC4-compatible connectors help simplify installation and enhance durability on rooftops or ground-mounted arrays. The panel is engineered to operate from -40°C to 85°C, making it suitable for diverse climates found across Brazil and other global markets. Backed by a 25-year linear power warranty, the Intelbras EMSC 330P offers dependable output, with at least 80% of nominal performance expected after 25 years of operation. This makes it an attractive solution for installers and system owners seeking bankable, long-lasting photovoltaic modules.
Excellent cost-benefit for diverse projects: The EMSC 330P module offers attractive energy yields at a competitive cost, supporting projects from small homes to large commercial systems while maintaining Intelbras quality standards.
High 330 Wp output with 17% efficiency: The 330 Wp nominal power and 17% efficiency help maximize energy generation per square meter, optimising available roof or ground space in constrained installations.
Proven durability with IP67 protection: An IP67-rated junction box, anodized aluminium frame, and robust encapsulation protect the 72 polycrystalline cells against dust, humidity, and heavy rain in outdoor conditions.
Reliable performance across wide temperatures: The panel operates from -40°C to +85°C, with optimized temperature coefficients that help maintain power output under high heat and changing weather conditions.
Long-term energy security with 25-year warranty: A 25-year linear performance warranty, with at least 80% of nominal power after 25 years, supports long-term project bankability and investment returns.
The Intelbras EMSC 330P solar panel converts sunlight into usable electrical energy through its 72 polycrystalline silicon cells. When sunlight hits the cells, direct current is generated and delivered through factory-installed cables and MC4-compatible connectors to your inverter or charge controller. Under standard test conditions, the module produces up to 330 Wp at a maximum power voltage of 37.15 V and current of 8.89 A, making it suitable for a wide range of string configurations. In real-world operation, performance is influenced by factors such as irradiance, temperature, mounting angle, and shading, which are mitigated through careful system design. The panel is engineered to perform efficiently both at standard test conditions and at nominal operating cell temperature, with a Pmax of 230.4 W under NOCT, helping deliver stable energy production throughout the day. Its temperature coefficients limit performance losses in hot climates, while the rugged construction and IP67 junction box ensure stable operation over decades of field exposure.
Photovoltaic energy conversion: The 72 polycrystalline cells are interconnected to form a high-performance DC generator that responds instantly to sunlight. When photons strike the silicon cells, an electric field is created, releasing electrons and generating direct current electricity that flows through the panel’s internal busbars to the output cables.
Power delivery under standard and NOCT conditions: At standard test conditions, the panel delivers its rated 330 Wp with a voltage at maximum power of 37.15 V and current of 8.89 A, enabling flexible series connections for 1500 V systems. Under nominal operating cell temperature, output stabilizes at 230.4 W with 33.92 V and 6.79 A, reflecting typical field performance under real-world irradiance and temperature levels.
System integration and protection: The factory-mounted junction box with three bypass diodes helps reduce power loss caused by partial shading and improves string reliability. MC4-compatible connectors and 4 mm² cables support secure, low-loss connections to inverters, while the 1500 V maximum system voltage and 15 A series fuse rating allow the module to integrate seamlessly into modern high-voltage arrays.
| Panel Type | Polycrystalline photovoltaic module |
| Model Number | EMSC 330P |
| Maximum Power (Pmax, STC) | 330 Wp (+3%) |
| Module Efficiency | 17.0 % |
| Voltage at Maximum Power (Vmpp, STC) | 37.15 V |
| Current at Maximum Power (Impp, STC) | 8.89 A |
| Open Circuit Voltage (Voc, STC) | 45.86 V |
| Short Circuit Current (Isc, STC) | 9.52 A |
| Maximum Power (Pmax, NOCT) | 230.4 W |
| Voltage at Maximum Power (Vmpp, NOCT) | 33.92 V |
| Current at Maximum Power (Impp, NOCT) | 6.79 A |
| Open Circuit Voltage (Voc, NOCT) | 42.08 V |
| Short Circuit Current (Isc, NOCT) | 7.37 A |
| Nominal Operating Cell Temperature (NOCT) | 46 ± 2 °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Temperature Coefficient of Pmax | -0.408 %/°C |
| Temperature Coefficient of Voc | -0.311 %/°C |
| Temperature Coefficient of Isc | +0.050 %/°C |
| Maximum System Voltage | 1500 V DC |
| Series Fuse Rating | 15 A |
| Module Dimensions (W x H x D) | 992 x 1960 x 40 mm |
| Weight | 21.9 kg |
| Cell Count and Type | 72 polycrystalline cells |
| Frame Material | Anodized aluminium alloy |
| Junction Box Protection Class | IP67 with 3 bypass diodes |
| Connector Type | MC4-compatible connectors |
| Cable Cross-Section | 4 mm² |
| Cable Length | 1150 mm |
| National Registration | INMETRO 009733/2019 (Portaria n°004/2011) |
Certifications: INMETRO registration 009733/2019 in accordance with Portaria n°004/2011 for photovoltaic modules in Brazil, confirming safety and performance compliance for grid-connected and off-grid systems.
Inverter Compatibility: Compatible with most modern grid-tied and off-grid inverters that accept 1500 V DC strings and standard MC4 connections, including residential, commercial, and small industrial solutions.
Environmental: Designed for outdoor installation with IP67 junction box, wide operating temperature range, and mechanical strength suitable for high wind and challenging climatic conditions when properly mounted.
Warranty: 25-year linear performance warranty guaranteeing at least 80% of nominal power after 25 years, supported by Intelbras individual module testing and strict quality control processes.
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