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Power Supply Calculator

Size the right driver for your run. Applies the 80% safety rule and recommends matching ENKORA power supplies.

Inputs

The recommendation builds in 20% headroom per the standard 80% loading rule for LED drivers.
Minimum recommended PSU
150W12V
Length
20.0 ft
Watts / ft
4.6 W
Total load
92.0 W
20.0 ft × 4.6 W/ft = 92.0 W total load
92.0 W ÷ 0.80 = 115.0 W minimum → rounded up to 150 W
Voltage-drop caution

At 20 ft this exceeds the published single-feed run for this strip (16.4 ft). The far end will dim and shift cooler. Solve by powering from both ends, injecting power mid-run, splitting into shorter segments, or moving to 24V if you're on 12V.

Estimate only. Final electrical specification — including breaker, conductor sizing and code compliance — should be reviewed by a licensed electrician.

Recommended

Matching ENKORA power supplies

All power supplies →

No single-unit PSU in our catalog meets this load at 12V. For projects above ~480W, plan multiple drivers in parallel or contact us for a custom spec.

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Need help sizing a full project?

For multi-zone specs, dimming protocols and lead-time-critical jobs, we'll size the whole BOM for you.

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