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Mean Well SD-350D-24 DC-DC Converter - 350W - 72~144V in 24V out

2:1 wide input range, 1.5~2KVAC isolation by models

SKU:

SD-350D-24

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Description

Features

2:1 wide input range

Protections: Short circuit / Overload / Over voltage / Over Temperature

1500VAC I/O isolation

Forced air cooling by Built-in DC Fan

100% full load burn-in test

24V and 48V input voltage design refer to LVD

2 years warranty

General Specification

Over Load Protection	105 ~ 135% rated output power Protection type : Shut down o/p voltage, re-power on to recover
Over Voltage Protection	5.75 ~ 6.75V \| 16.8 ~ 20V \| 31.5 ~ 37.5V \| 53 ~ 65V \| 5.75 ~ 6.75V \| 16.8 ~ 20V \| 31.5 ~ 37.5V \| 53 ~ 65V Protection type : Shut down o/p voltage, re-power on to recover
Withstand voltage	I/P-O/P:1.5KVAC \| I/P-FG:2KVAC \| O/P-FG:0.5KVAC
Working temperature	-20 ~ +60℃ (Refer to "Derating Curve")
Safety standards	EAC TP TC 004 approved, design refer to AS/NZS 62368.1
EMC standards	With external components Compliance to EN55032 Class B;EN61000-3-,3，EN61000-4-2,3,4,5,6,8
Dimension (LxWxH)(mm)	21511550mm (LWH)

Specifications

Brand

Mean Well
Series

SD Series
Power Rating

350.4 Watt
Output Voltage

24 Volt
Rated Current

14.6 Ampere
Input Voltage

72V~144V
Standards Met

CB,CE,EAC
Operation Mode

Constant Voltage
Operating Temperature

-20°C~60°C
Warranty

3 Year
Length

21.5 cm
Width

11.5 cm
Height

5 cm
Weight

1.1 kg

File Downloads

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Payment & Security

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Frequently Asked Questions

Can I use the SD-350D-24 for 24V PLC, HMI, and automation loads on a 72-144V system?

Yes, it converts a 72-144V input to a constant 24V output rated for 14.6A and 350.4W. That makes it suitable for 24V automation loads as long as the total load stays within those output limits.

Is the SD-350D-24 a good match for 24V industrial control circuits in higher-voltage equipment?

It is intended for exactly that type of voltage step-down, providing regulated 24V power from a 72-144V source. Available output capacity is 14.6A, with 350.4W maximum output power.

Can this converter supply multiple 24V sensors, relays, or controller modules from one bus?

Yes, multiple 24V loads can be supported if their combined demand does not exceed 14.6A and 350.4W. Because it is a constant-voltage model, it is meant for equipment designed to run from a fixed 24V supply.

Is the SD-350D-24 suitable for outdoor cabinets or only temperature-controlled spaces?

The operating temperature range is specified as -20°C to +60°C, so those are the defined thermal conditions. The specs do not list an IP rating, so protection against rain, spray, or dust ingress is not stated and outdoor exposure should not be assumed.

What are the SD-350D family options around the SD-350D-24?

The SD-350D family listed here includes SD-350D-12 at 350.4W, 12V, 29.2A; SD-350D-24 at 350.4W, 24V, 14.6A; SD-350D-48 at 350.4W, 48V, 7.3A; and SD-350D-5 at 300W, 5V, 60A. This model is the 24V version and sits between the 12V and 48V options in output current.

Model	Power	Voltage	Current	IP Rating
Mean Well SD-350D-5 DC-DC Converter - 280W - 72~144V in 5V out	300W	5V	60A	Indoor	View
Mean Well SD-350D-48 DC-DC Converter - 350W - 72~144V in 48V out	350.4W	48V	7.3A	Indoor	View
Mean Well SD-350D-12 DC-DC Converter - 330W - 72~144V in 12V out	350.4W	12V	29.2A	Indoor	View

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