Siemens
SM55/SM50 Solar Panels
| Intelligent
Module Design 36 PowerMax® solar cells from Siemens form the heart of the SM55/SM50 module. These cells make optimum use of the module surface area. Thanks to their square shape, they are highly efficient and still provide the maximum power possible even under low light level conditions. The specially hardened front glass has excellent light transmitting properties and protects the module against most adverse environmental conditions such as hail or ice. The solar cells are laminated in EVA (ethylene-vinyl acetate) between a multilayer rear film and the front glass. This permanently laminated solar panel assembly protects the cells against moisture and ensures electrical insulation. A torsion-resistant module frame made of anodized aluminum guarantees particularly high mechanical strength. * If shipping to Canada, please contact us before purchasing.
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SM55/SM50
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| Electrical Parameters1 |
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| Maximum power rating, Pmax | [Watts] |
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| Minimum power rating, Pmin | [Watts] |
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| Rated current, Imp | [Amps] |
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| Rated voltage, Vmp | [Volts] |
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| Short circuit current, Isc | [Amps] |
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| Open circuit voltage, Voc | [Volts] |
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| Thermal Parameters | ||||
| Nominal operating cell temperature2 | [°C] | 45 | ||
| Change of Isc with temperature | +1.2mA/°C (+0.04%/K) | |||
| Change of Voc with temperature | -0.077
Volts/°C (-0.34%/K) |
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| Qualification Test Parameters3 | ||||
| Temperature cycling range | [°C] | -40 to +85 | ||
| Humidity, freeze, damp heat condition | [% RH] | 85 | ||
| Maximum system voltage | [Volts] | 1000
per ISPRA (EC) 600 per UL1703 |
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| Wind loading or surface pressure | [N/m²] (lb/sqft) | [2400] (50) |
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| Maximum distortion4 | [degrees] | 1.2 | ||
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Hailstone impact withstand (diameter @ velocity) |
[mm
@ m/s] (in @ MPH) |
25
@ 23 (1.0 @ 52) |
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| Physical Parameters | ||||
| Number of cells in series | 36 | |||
| Length | [mm] (in) | 1293 (50.9) | ||
| Width | [mm] (in) | 329 (13) | ||
| Depth | [mm] (in) | 34 (1.3) | ||
| Weight | [kg] (lb) | 5.5 (12.0) | ||
| Warranty5 | ||||
| Power >or= 90% of minimum power rating above | [Years] | 10 | ||
| Power >or= 80% of minimum power | [Years] | 25 |
| 1 | Determined under standard test conditions (STC): Irradiance = 1000w/m² cell temperature = 25 °C; solar spectral irradiance per ASTM E892 (Air Mass = 1.5). |
| 2 | Determined under nominal operating conditions (NOC): Irradiance = 800 w/m² ambient temperature = 20 °C; wind speed = 1m/s. |
| 3 | Qualification Tests performed as per CEC 503 Test Specification, to ensure durability and performance in outdoor conditions. |
| 4 | Diagonal lifting of module corner with three corners fixed. |
| 5 | To original consumer purchaser. See full Limited Warranty for all conditions. |
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