MonocrystallineBack ContactN-type
JA Solar undefined JAM66S30-505/MR

JA Solar • ja solar jam66s30-480-505mr

JAM66S30-505/MR505W

Back ContactN-type
Region:Portugal
Region shows where the seller or factory is located. Most ship globally, and all listed suppliers should be able to ship to your current location.
505W
Power Output
21.3%
Efficiency
2093 x 1134
Dimensions (mm)
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JA Solar JAM66S30-505/MR Panels: What Your System Looks Like

Based on a standard 10kW residential installation

10kW System Size
20 Panels
Estimated Roof Area
506 sq.ft. (47 m²)
Avg. Yearly Production
11,500 kWh
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Electrical Data (STC)

Maximum Power (Pmax)505 W
Module Efficiency21.3 %
Voltage at Pmax (Vmp)38.53 V
Current at Pmax (Imp)13.11 A
Open Circuit Voltage (Voc)45.72 V
Short Circuit Current (Isc)14 A

Mechanical Data

Dimensions2093 x 1134 x 30 mm
Weight25.2 kg
Cell TypeMonocrystalline
Number of Cells132
Front Glass0
Frame

Temperature Ratings

Temperature Coefficient of Pmax-0.35 %/°C
Temperature Coefficient of Voc %/°C
Temperature Coefficient of Isc %/°C
Operating Temperature Range-40 - 85 °C

Similar Products

1134 x 2093 mm
Roof Fit Tool

Will These Panels Fit Your Roof?

Don’t guess your solar potential. Our Roof Layout Designer uses the exact dimensions of the JA Solar JAM66S30-505/MR (505W modules) to map out your system. Visually plan your array to see exactly how many modules your roof can support based on its specific footprint.

Precision Layout Preview: See exactly how the 505W modules sit on your roof.
Accurate Technical Spacing: Factors in real-world gaps and mounting rails.
Instant System Sizing: Automatically calculates total kW output for this specific panel.
Optimization Tips: Suggestions to maximize your roof’s energy density.
Map This Panel on My Roof

Ideal Use Case

The JA Solar JAM66S30-505/MR is designed for specific solar energy applications. This panel is an excellent choice if you:

Want high-power 505W panels for better roof utilization
Prioritize high efficiency performance

Don’t guess your solar setup — calculate it first!

Take our Solar Quiz to get a personalized recommendation for panels, inverter, battery capacity, and system size — before you spend money on the wrong setup.

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Product FAQ

How many JA Solar JAM66S30-505/MR panels do I need for my home?

The number of panels depends on your energy consumption and roof area. At 505W per panel, a typical 10kW residential system requires about 20 modules. Use our Solar Roof Calculator to get a precise layout based on your actual roof dimensions.

What is the efficiency of JA Solar JAM66S30-505/MR?

This panel has an efficiency of 21.3%, using Back Contact, N-type cell technology. Higher efficiency means more electricity per square meter, which is especially valuable when roof space is limited.

What are the dimensions of the JA Solar JAM66S30-505/MR?

The module dimensions are 2093mm × 1134mm × 30mm. Always account for these measurements plus fire setbacks and mounting clearances when planning your solar layout.

Is JA Solar JAM66S30-505/MR compatible with standard inverters?

Yes, these panels work with most string and hybrid inverters. However, you must check the Voc (Open Circuit Voltage) and Imp (Current at Max Power) against your inverter's MPPT specs.