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Model WSM-395 | Mono PERC | 72 Full-Cell Monocrystalline | Monofacial | 1500V System Voltage
The Waaree Energies WSM-395 Mono PERC monocrystalline solar panel delivers 395 Wp of reliable power in a compact footprint. This high performance module is engineered for residential, commercial, and small industrial rooftop systems across India and beyond. With module efficiency up to 19.83 percent, the panel helps maximise energy generation from limited roof space. Its 72 monocrystalline cells use advanced PERC technology for better low light output and improved yield over the year. A maximum system voltage of 1500 volts supports modern high string designs and helps reduce balance of system costs. The robust anodized aluminium frame and 3.2 mm tempered glass with anti reflection coating are designed for demanding field conditions. An IP68 rated junction box and MC4 connectors provide secure and weather resistant connections for long term performance. The WSM-395 panel is backed by a strong product warranty and long term linear power warranty for dependable energy savings.
High power density from limited roof space: With 395 Wp output and up to 19.83 percent efficiency, each module generates more power per square metre. This allows compact arrays on constrained rooftops while still meeting energy targets.
Reliable long term energy production: The linear power warranty guarantees 90.7 percent output at ten years and 80.2 percent at twenty five years. A low annual degradation rate of about 0.79 percent supports consistent lifetime performance.
Strong performance in real world conditions: Optimised temperature coefficients help the panel maintain output under high operating temperatures. PERC mono cells and anti reflection glass improve production during mornings, evenings, and cloudy weather.
Robust construction for harsh environments: The 3.2 mm tempered low iron glass and anodized aluminium frame withstand wind and mechanical loads. PID free, UV resistant encapsulation and IP68 junction box enhance durability in humid or coastal climates.
Flexible system design and integration: A 1500 volt maximum system voltage enables longer strings and reduced cabling costs. Standard MC4 compatible connectors simplify installation with string inverters and hybrid inverters from major brands.
The Waaree WSM-395 panel converts sunlight into usable DC electricity through high efficiency monocrystalline PERC cells. When sunlight hits the 72 cells, photons are absorbed and generate electron flow within the silicon layers. This current is collected by a grid of conductors and routed through the internal wiring to the junction box. The panel delivers its rated maximum power of 395 W at about 40.28 volts and 9.81 amps under test conditions. During typical outdoor operation, the panel runs near its NOCT ratings with slightly lower voltage and current. The generated DC power is then fed through MC4 connectors into strings, which connect to an inverter or charge controller. The inverter converts this DC power into AC electricity suitable for home or commercial loads and grid export. Thermal management and high quality materials help keep performance stable across a wide temperature range.
High efficiency PERC monocrystalline cells: Each of the 72 monocrystalline cells uses Passivated Emitter and Rear Cell technology to capture more light. The rear surface passivation and optimised cell design reduce recombination losses and raise conversion efficiency. This leads to higher power at the same module size and better yield during low irradiance periods.
Optical enhancement and low loss glass: The 3.2 mm low iron tempered glass includes an anti reflection coating that improves light transmission. More light reaches the active cell surface instead of reflecting away, boosting energy generation. Tempered glass also offers strength and impact resistance against hail and debris for long service life.
Reliable electrical path and protection: Current from the cell matrix flows through silver busbars into tinned copper ribbons and then into the junction box. The IP68 rated weatherproof junction box keeps bypass diodes and connections protected from moisture and dust. Standard MC4 compatible connectors and 4 mm² cables ensure low resistance connections along the entire string.
| Brand | Waaree Energies Ltd |
| Model Number | WSM-395 |
| Power Class Range | 380 Wp to 395 Wp (ARKA Series WSM-380 to WSM-395) |
| Cell Technology | Mono PERC monocrystalline |
| Cell Count and Arrangement | 72 cells (12 x 6 layout) |
| Nominal Max Power (Pmax, STC) | 395 Wp |
| Voltage at Pmax (Vmpp, STC) | 40.28 V |
| Current at Pmax (Impp, STC) | 9.81 A |
| Open Circuit Voltage (Voc, STC) | 49.05 V |
| Short Circuit Current (Isc, STC) | 10.12 A |
| Nominal Power at NOCT (Pmax, NOCT) | 291.6 Wp |
| Voltage at Pmax (Vmpp, NOCT) | 37.6 V |
| Current at Pmax (Impp, NOCT) | 7.75 A |
| Open Circuit Voltage (Voc, NOCT) | 45.18 V |
| Short Circuit Current (Isc, NOCT) | 8.18 A |
| Module Efficiency Range | 19.08% to 19.83% across WSM-380 to WSM-395 |
| Temperature Coefficient of Pmax | -0.37 %/°C |
| Temperature Coefficient of Voc | -0.27 %/°C |
| Temperature Coefficient of Isc | 0.05 %/°C |
| Nominal Operating Cell Temperature (NOCT) | 46 ± 2 °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Maximum System Voltage | 1500 V DC (IEC / UL) |
| Series Fuse Rating | 16 A |
| Product Dimensions (L x W x T) | 1985 mm x 1003 mm x 40 mm |
| Weight | 22.5 kg |
| Front Glass | 3.2 mm low iron tempered glass with anti reflection coating |
| Encapsulant | PID free and UV resistant encapsulation |
| Frame | Anodized aluminium frame, silver finish |
| Junction Box Protection Class | IP68 rated, weatherproof PPO housing with bypass diodes |
| Connector Type | MC4 compatible connectors |
| Cable Cross Section and Length | 4 mm², 1200 mm cable length (each polarity) |
| Fire Rating | Type 2 (as per Waaree ARKA series data) |
Certifications:
IEC 61215, IEC 61730, UL 61730, IEC TS 62804-1 for PID, IEC 62716 for ammonia,
IEC 60068-2-68 for sand and dust, IEC TS 62782 for mechanical stress, IEC 61701 for salt mist exposure.
Inverter Compatibility:
Compatible with most modern grid tied, hybrid, and off grid string inverters supporting 1500 V DC systems.
Can be used with MPPT charge controllers in battery based systems within current limits.
Environmental:
Designed for outdoor use with UV resistant materials and PID resistant encapsulation.
Suitable for hot, humid, dusty, and coastal environments when installed as per guidelines.
Warranty:
10 year product warranty against manufacturing defects.
Linear power warranty with 90.7% power at 10 years and 80.2% power at 25 years.
Average annual degradation is approximately 0.79% after the first year.
● Available | Contact us for lead time and best pricing on Waaree WSM-395 panels
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