--- title: "Bruk-Bet PEM.BB-450 450W Solar Panel - Specs & Review | ComparePV" description: "Bruk-Bet PEM.BB-450 450W solar panel. Specs: 20.60% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/bruk-bet-pem-bb-450" updated: 2026-09-11 --- # Bruk-Bet PEM.BB-450 Strong in heat, needs the roof space 449 panels in the segment PERC 450-500 W ## Identity - **Manufacturer:** Bruk-Bet - **Model:** PEM.BB-450 - **Series:** Perfect Edge Pro - **Rated power:** 450 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 450-500 W (449 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 450 W | 460 W | Weak - bottom 12% | | | Module efficiency | 20.60% | 20.82% | Weak - bottom 24% | 11,093 | | Power density | 206.0 | 208.5 | Weak - bottom 22% | 11,115 | | Temperature coefficient | -0.324 | -0.350 | Strong - top 5% | 8,509 | | Weight (kg) | 24.5 kg | 24.5 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 20.60% | 20.82% | Weak - bottom 24% | 11,093 | | Power density | 206.0 | 208.5 | Weak - bottom 22% | 11,115 | | Temperature coefficient | -0.324 | -0.350 | Strong - top 5% | 8,509 | | Weight per kWp | 54.4 | 53.1 | Typical | 8,755 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Strengths - **-0.324 %/°C temperature coefficient** - Top 5% of the PERC 450-500 W segment, against a median of -0.350. Ranked 8,509th in the whole database. ### Watch out for - **206.0 watts per square metre** - Bottom 22% of the PERC 450-500 W segment, against a median of 208.5. - **20.60% module efficiency** - Bottom 24% of the PERC 450-500 W segment, against a median of 20.82%. - **Best for:** Residential and commercial. - **Not ideal for:** Roofs where every square metre has to count and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 20.60 % - **Voltage at Pmax (Vmp):** 34.54 V - **Current at Pmax (Imp):** 13.03 A - **Open-circuit voltage (Voc):** 41.19 V - **Short-circuit current (Isc):** 13.64 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.324 %/degC - **Temperature coefficient of Voc:** -0.259 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 120 ### Physical - **Length:** 1920 mm - **Width:** 1138 mm - **Thickness:** 40 mm - **Weight:** 24.5 kg - **Area:** 2.18 m2 - **Power density:** 206.0 Wp/m2 ### Warranty and degradation - **Product warranty:** 20 years - **Performance warranty:** 25 years ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 11093 of 14005 | | Power density | 11115 of 14005 | | Temperature coefficient | 8509 of 14005 | | Weight | 8755 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Domestic Manufacturing & Local Service Support** - Modules manufactured in Poland by a company with a 40-year track record (founded 1984, PV line active since 2012). Warranty claims and technical support are handled in Polish without requiring contact with an Asian importer — a meaningful advantage over Risen, Zonergy, or SunKean in terms of after-sales service accessibility. - **Double-Glass Construction** - The dual-glass module design improves mechanical durability (higher allowable snow and wind load ratings) and eliminates the risk of rear-sheet EVA degradation. This translates to a system service life exceeding 30 years while maintaining warranted performance parameters. - **Ceramic Edge-Print Busbar Masking** - A patented ceramic printing technique masks busbars and electrical interconnections, delivering a uniform, deep-black module appearance. It eliminates the unsightly transparent gaps visible in standard PERC products, providing genuine aesthetic value in installations on prestigious or architecturally significant buildings. - **25-Year Linear Power Warranty** - The linear power output warranty for 25 years aligns with the current Tier-1 industry standard (e.g., Risen, JA Solar). KIWA certifications confirm resistance to PID, LID, hail, mechanical load, salt mist, and ammonia exposure. ## Cons - **Series Discontinued** - According to manufacturer data and the ENF Solar catalog, models PEM.BB-405 and PEM.TB-405 carry a 'non-commercial / no longer manufactured' status. This implies limited module availability for system expansion, no further updates to technical documentation, and potentially restricted access to service components after 2025. - **PERC Cells — Aging Technology** - The series uses P-type PERC cells, which exhibit an annual degradation rate of approximately 0.55%/year compared to \<0.45%/year for newer N-type TOPCon modules. The PERC temperature coefficient (−0.34 to −0.38%/°C) is inferior to TOPCon (−0.29 to −0.32%/°C), resulting in lower energy yield on hot Polish summer days (module temperature 55–65°C). The market is completing its full transition to TOPCon in 2025–2026. - **Efficiency Below Peer Group** - The efficiency range of 20.51–21.05% is noticeably lower than that of direct competitors: the Risen RSM96-11 achieves 23.00%, SunKean SKT460 reaches 23.02%, and even the Zonergy ZPM MH3-72 delivers 21.16%. For the same roof footprint, this translates to approximately 8–10% less annual energy generation compared to Risen or SunKean models. - **Marketing Description Inconsistent with Datasheet** - The official marketing copy references 'N-type TOPCon cells,' while the technical datasheet clearly identifies the technology as P-type PERC. This discrepancy may mislead buyers regarding the modules' actual characteristics, particularly with respect to LID degradation behavior and temperature-dependent performance. ## About this series The Bruk-Bet Perfect Edge Pro series redefines standards of aesthetics and efficiency in modern photovoltaics, introducing an innovative approach to module finishing. The use of advanced **N-type TOPCon cells** guarantees excellent energy yields even on cloudy days and minimal power degradation over time. The greatest hallmark of this line is the patented **ceramic edge printing** technology, which precisely masks busbars and electrical connections. Thanks to this, the panels gain a deep, uniform color that blends perfectly with modern roofing materials, eliminating the problem of unsightly gaps visible in standard products. The **double-glass** construction significantly increases resistance to extreme weather conditions and mechanical damage, ensuring safe operation for decades. This series is primarily dedicated to owners of single-family homes and commercial facilities where the representative appearance of the building is of key importance. It stands out from Asian competition due to its **full production in Poland** and local technical support, providing investors with the highest level of warranty security. Perfect Edge Pro is the choice for those seeking uncompromising durability and elegance that realistically increases property value while maintaining maximum technical parameters. ## Notable figures - Efficiency of 20.6% matches the \*\*PERC 450-500W\*\* median - Power density of 205.9 W/m² matches the \*\*PERC 450-500W\*\* median - -0.32%/°C temperature coefficient (median: -0.35%/°C) - retains ~1% more power at high temperatures - #11093 for efficiency, #8509 for temperature performance out of 14005 panels ## Questions ### Is the Bruk-Bet Perfect Edge Pro series still available for purchase? The Bruk-Bet Perfect Edge Pro series has been discontinued and is no longer available through regular distribution channels. Any remaining units can only be found in residual warehouse stock held by select installers or distributors. If you are planning a new photovoltaic installation, it is advisable to consult a Bruk-Bet advisor regarding currently available series, which may offer comparable or superior technical specifications. ### What warranty is provided on Bruk-Bet Perfect Edge Pro panels? The manufacturer offers a 20-year product warranty covering physical and material defects, as well as a 25-year linear power output warranty. Because Bruk-Bet manufactures its panels in Poland and provides local technical support, enforcing warranty claims is considerably more straightforward than with Asian-based suppliers. It is recommended to retain all purchase documentation and the installation commissioning report throughout the entire warranty period. ### What is the ceramic edge-print technology used in the Perfect Edge Pro series? This is a Bruk-Bet patented solution that applies a ceramic coating precisely masking the busbars and electrical interconnections visible along the edges of the module. The result is a deep, uniform color across the entire panel surface, free of unsightly light bleed-through or metallic reflections. The panel presents as a cohesive, elegant surface that integrates harmoniously with modern roof tiles and membrane roofing systems, enhancing the overall aesthetic of the building. ### How does the double-glass construction in the Perfect Edge Pro differ from standard single-glass panels? Standard panels feature a glass front and a polymeric backsheet that is susceptible to moisture ingress and delamination. In the Perfect Edge Pro series, both sides of the module are protected by tempered glass, which significantly increases resistance to hail, extreme temperatures, and mechanical damage. This eliminates the risk of mold formation and backsheet peeling after years of operation, and the module maintains full weatherproofing integrity for decades of use. ### How many Bruk-Bet Perfect Edge Pro panels do I need for a typical single-family home? With a peak power rating of 460 Wp, a typical household consuming 3,000–5,000 kWh annually will generally require between 8 and 15 modules, resulting in a system capacity of 3.7–6.9 kWp. The exact number depends on roof orientation and tilt angle, local solar irradiance, and available roof area. Any certified installer will calculate the optimal system size based on your energy bills and an on-site assessment. ### Are the Perfect Edge Pro panels bifacial, and does that affect the installation process? No, the Perfect Edge Pro series consists of monofacial modules that harvest energy exclusively through the front glass. This simplifies mounting system selection and eliminates the need for high-reflectivity roofing underlays, which are recommended with bifacial panels to maximize rear-side albedo gain. For the majority of pitched roofs on single-family homes, a monofacial solution is entirely sufficient and easier to service. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Perfect-Edge-Pro_PEMBB-450-33818b2c5989.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, +4.2 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, +3.9 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +3.9 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, cooler, +3.9 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, cooler, +3.9 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, cooler, +3.9 pp | | [Bruk-Bet PEM.WS-455](https://comparepv.com/panel/bruk-bet-pem-ws-455) | 455 W | +0.2 pp | | [Bruk-Bet PEM.WB-460](https://comparepv.com/panel/bruk-bet-pem-wb-460) | 460 W | +10 W, +0.4 pp | | [Bruk-Bet PEM.WB-465](https://comparepv.com/panel/bruk-bet-pem-wb-465) | 465 W | +15 W, +0.7 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +110 W, cooler, +4.2 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +105 W, cooler, +4.0 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +100 W, lighter, +3.8 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +90 W, cooler, +3.8 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +90 W, cooler, +3.8 pp | | [Jinko Solar JKM545-54QL6-DV-F1-EU](https://comparepv.com/panel/jinko-solar-jkm545-54ql6-dv-f1-eu) | 545 W | +95 W, cooler, +3.7 pp | | [Longi Solar LR7-60HVH-545M](https://comparepv.com/panel/longi-lr7-60hvh-545m) | 545 W | +95 W, cooler, +3.6 pp | --- Source: https://comparepv.com/panel/bruk-bet-pem-bb-450 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.