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Comparison · Power supplies

12 V 6 A power supply or 24 Volt 3 Amp power supply

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Test current: 12 V 6 A power supply (6.5 A vs. 3.39); Ripple: 24 Volt 3 Amp power supply (50 mV vs. 60).

Model12 V 6 A power supply12 V 6 A power supply2026Read review →24 Volt 3 Amp power supply24 Volt 3 Amp power supply2018Read review →
Voltage, V1224
Current, A63
Power, W7272
Test current, A6.53.39
Ripple, mV6050
Protection, A6.33.39
Temperature rise, °C8585
Review conclusionRecommendedWith reservations

Only in one review: In test 66.5 W (24 Volt 3 Amp power supply); Under load 17.7 V (24 Volt 3 Amp power supply); Efficiency 86.4 % (24 Volt 3 Amp power supply); No load 1.4 W (24 Volt 3 Amp power supply).

12 V 6 A power supply: It handles 6 A well with low primary ripple; when warm, protection trips at about 6.2–6.3 A.

24 Volt 3 Amp power supply: The supply is well built and protected, but its ratings are overstated; continuous power is about 50 W.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.

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