# JA Solar JAM72D40 580/MB 580W residential

JA Solar

# JA Solar JAM72D40 580/MB

The **JA Solar JAM72D40 580/MB** is a solar panel from JA Solar, made in China.

![JA Solar JAM72D40 580/MB](/images/panels_resolved/ja-solar-jam72s30-535/320.webp)

Specifications

## Technical data

ManufacturerJA SolarModelJA Solar JAM72D40 580/MBWattage580 WEfficiency22.5%Cell TypeMonocrystalline n-type TOPConNumber of Cells144Dimensions (W x H x D)1134 mm x 2278 mm x 30 mmWeight31.8 kgColourSilver FrameMade InChinaDurability87.4% in the 30th yearMEPV1IBC Technology0Fitted Dimensions (W x H)1134 mm x 2278 mmManufacturer Item CodeJAM72D40-580/MB

## JA Solar JAM72D40 580/MB performance analysis

This page is about the **JA Solar JAM72D40 580/MB**. The figures on this model are **580 W**, **22.5%** efficiency, 144 cells, Monocrystalline n-type TOPCon. The module measures 1134 mm by 2278 mm.

It weighs 31.8 kg. The finish is Silver Frame. The specification table below is the source for those numbers.

### JA Solar JAM72D40 580/MB pros

- 580 W per module: 7 modules reach at least 4 kWp at the rated output
- 22.5% module efficiency gives a useful comparison where usable roof area is limited

### JA Solar JAM72D40 580/MB cons

- The 580 W rating is measured under standard test conditions; roof direction, shade and temperature change real output
- Each module occupies 2.58 m2 (1134 mm by 2278 mm), before mounting gaps and edge clearances
- 31.8 kg per module adds about 12.3 kg/m2 before mounting hardware; roof suitability still needs checking

## Conclusion

The **JA Solar JAM72D40 580/MB** should be judged from its own wattage, efficiency, and size, not from another module in the same brochure.

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## Frequently Asked Questions

### What is the JA Solar JAM72D40 580/MB?

JA Solar JAM72D40 580/MB is made by JA Solar and is rated 580 W.

### How efficient is the JA Solar JAM72D40 580/MB?

The listed efficiency for this module is 22.5%.

### What size is this module?

This module measures 1134 mm by 2278 mm and weighs 31.8 kg.

### Is this the same as another wattage in the brochure?

No. This page is only for the JA Solar JAM72D40 580/MB (580 W). Other wattages in the same datasheet are separate modules.