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Mean Well SD-500H-24 DC-DC Converter - 500W - 72~144V in 24V out

4:1 wide input range, 1.5~2KVAC isolation by models, 12V/0.25A auxiliary output, built-in remote ON/OFF control and remote sense

SKU:

SD-500H-24

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Description

Features : · 2:1 wide input range · Protections: Short circuit / Overload / Over voltage · 1500VAC I/O isolation · Built-in EMI filter, low ripple noise · 100% full load burn-in test · Fixed switching frequency at 83KHz · Low cost · High reliability · 2 years warranty

Specifications

Brand

Mean Well
Series

SD Series
Power Rating

504 Watt
Output Voltage

24 Volt
Rated Current

21 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

1.15 kg

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Frequently Asked Questions

Can I use the SD-500H-24 for 24V PLC, control panel, or automation equipment on a 72-144V DC bus?

Yes, it provides a constant 24V output rated at 21A and 504W. That suits 24V industrial control or automation equipment as long as the connected load remains within the 21A output rating.

Is the SD-500H-24 suitable for 24V embedded or communications equipment in a higher-voltage DC system?

It can be used when the equipment requires regulated 24V DC and the load does not exceed 504W. The converter accepts a 72-144V input and uses a 4:1 wide input range, which fits broader-input DC systems.

Can this model support 24V automation applications that need auxiliary power and remote control features?

Yes, the listed features include a 12V/0.25A auxiliary output, built-in remote ON/OFF control, and remote sense. Those features can help in 24V automation systems where the main load is powered from the 504W, 21A output.

Is the SD-500H-24 appropriate for exposed outdoor use?

The provided specs give an operating temperature range of -20°C to +60°C, but they do not provide an IP rating. That means temperature capability is stated, while exposed outdoor suitability is not confirmed by the listed data.

What are the differences between the SD-500H-24 and the other SD-500H models?

The SD-500H-12 is rated at 480W with 12V output and 40A, the SD-500H-24 is 504W at 24V and 21A, and the SD-500H-48 is 504W at 48V and 10.5A. The series shares the same physical size and feature set, but each version is matched to a different output voltage and current level.

Model	Power	Voltage	Current	IP Rating
Mean Well SD-500H-48 DC-DC Converter - 500W - 72~144V in 48V out	504W	48V	10.5A	Indoor	View
Mean Well SD-500H-12 DC-DC Converter - 480W - 72~144V in 12V out	480W	12V	40A	Indoor	View

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Mean Well SD-500H-24 DC-DC Converter - 500W - 72~144V in 24V out

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Mean Well SD-500H-24 DC-DC Converter - 500W - 72~144V in 24V out

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