NDR Series

The MEAN WELL NDR Series groups 4 series in the AC/DC DIN Rail category: NDR-75, NDR-120, NDR-240, NDR-480. Compare the ranges below, then open a series to pick the exact model by output voltage.

Series in this family

Every series in this family shares the same platform. Compare the ranges below, then open a series to pick the exact model by output voltage.

SeriesPower rangeVoltage rangeCooling
NDR-7576 – 77 W12, 24, 48— View
NDR-120120 W12, 24, 48Fanless (convection cooled) View
NDR-240240 W24, 48— View
NDR-480480 W24, 48— View

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Frequently asked questions

Do I need to derate this supply inside a sealed enclosure?

Yes. The published current rating assumes free air convection at 100 percent load up to 50 C. Inside a sealed enclosure the internal air sits above ambient, so size against the temperature at the supply, not the room.

Why does the breaker trip when several supplies switch on together?

Cold-start inrush is many times the running current and lasts only milliseconds. Stagger the switch-on, or select a breaker with a slower magnetic curve.

What is the lead time on stocked part numbers?

Stocked part numbers ship within two business days. Anything not in stock is quoted with a firm date before the order is confirmed.

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