Can I use the SD-350D-48 to power a 48V telecom or network appliance from a 72-144V DC source?

Yes, it is a constant-voltage DC-DC converter with a 48V output rated at 7.3A and 350.4W. That makes it a fit for equipment that specifically requires 48V DC and stays within the 7.3A output limit.

Is the SD-350D-48 suitable for industrial control equipment that runs on 48V DC?

It can be used for industrial control loads that require a regulated 48V output and draw no more than 350.4W or 7.3A. The unit is designed for constant-voltage output and accepts a 72-144V input range.

Can this converter support embedded or automation systems with a 48V DC bus?

It is appropriate for embedded or automation systems that need 48V DC and fit within the converter's 350.4W capacity. Its 2:1 wide input range and 1.5~2KVAC isolation by models are useful in higher-voltage DC systems.

Is the SD-350D-48 suitable for outdoor or harsh-environment use?

The provided specs list an operating temperature range of -20°C to +60°C, but they do not list an IP rating. That means the temperature range is specified, while exposed outdoor or washdown suitability is not established by the listed specs.

How does the SD-350D-48 compare with the other SD-350D models?

Within the SD-350D group, the SD-350D-5 is 300W at 5V and 60A, the SD-350D-12 is 350.4W at 12V and 29.2A, the SD-350D-24 is 350.4W at 24V and 14.6A, and the SD-350D-48 is 350.4W at 48V and 7.3A. All are DC-DC converters in the same family, but the output voltage and current ratings differ by model.

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Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well SD-350D-48 DC-DC Converter - 350W - 72~144V in 48V out 7.3A

2:1 wide input range1.5~2KVAC isolation by models

SKU:

SD-350D-48

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·2:1 wide input range

·Protections: Short circuit / Overload / Over voltage / Overtemperature

·1500VAC I/O isolation

·Forced air cooling by built-in DCFan

·100% full load burn-intest

·24V and 48V input voltage design refer toLVD

·2 years warranty

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Model	Power	Voltage	Current	IP Rating
Mean Well SD-350D-5 DC-DC Converter - 280W - 72~144V in 5V out 60A	300W	5V	60A	Indoor	View
Mean Well SD-350D-24 DC-DC Converter - 350W - 72~144V in 24V out 14.6A	350.4W	24V	14.6A	Indoor	View
Mean Well SD-350D-12 DC-DC Converter - 330W - 72~144V in 12V out 29.2A	350.4W	12V	29.2A	Indoor	View

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Mean Well SD-350D-48 DC-DC Converter - 350W - 72~144V in 48V out 7.3A

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Mean Well SD-350D-48 DC-DC Converter - 350W - 72~144V in 48V out 7.3A

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