S SOLARSPECS
JA Solar is one of the world's largest solar panel manufacturers, founded in 2005 and headquartered in Beijing, supplying modules for 100+ countries. Designed for distributed generation projects, the JA Solar JAM54S30-400/MR combines 400W power output with 21.05% efficiency in a Monocrystalline form factor.
🏭View all 312 JA Solar models Brand range: 165W–635W
Monocrystalline

JA Solar JAM54S30-400/MR

Max Power
400W
Efficiency
21.05%
Operating V
30.0V
Warranty
25Y
JA Solar JAM54S30-400/MR logo
Technical Specifications
Open Circuit Voltage (Voc)37.1V
Short Circuit Current (Isc)13.79A
Voltage at Pmax (Vmp)30.0V
Current at Pmax (Imp)12.9A
Temp. Coefficient of Pmax-0.333%/°C
Dimensions1771 x 1073 x 35 mm
Weight23.8kg
NOCT45.02°C
PTC Rating380.0W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 312 JA Solar models in database

FAQ

What are the dimensions and weight of the JA Solar JAM54S30-400/MR?

It measures 1771 x 1073 x 35 mm and weighs 23.8kg.

What is the max power output of the JA Solar JAM54S30-400/MR?

The JA Solar JAM54S30-400/MR is rated at 400W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the JA Solar JAM54S30-400/MR?

This panel has 21.05% efficiency, which is high for commercial solar panels.

How long is the warranty for the JA Solar JAM54S30-400/MR?

The JAM54S30-400/MR comes with a 25-year product warranty covering defects and degradation.

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📊 Brand Context

JA Solar offers 312 solar panel models from 165W to 635W.

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