Can I use the SRS-2405 to generate 5V logic power from a 24VAC control circuit?

Yes, this model is intended for applications that need a constant 5V output from a 21-26VAC input range. It is best matched to low-power logic or control electronics within its 0.5W output rating.

Is the SRS-2405 a fit for powering a small embedded controller section from 24VAC?

It can fit a small embedded controller section if that section only needs a very light 5V rail and the source is 21-26VAC. The output is fixed at 5V and the total converter power is 0.5W, so it is intended for low-demand electronics rather than broad system loads.

Can the SRS-2405 be used in an automation panel for a 5V interface circuit?

It is suitable for a 5V interface or auxiliary logic circuit in an automation panel when the available input is 21-26VAC. Its 22.6 x 9.9 x 8.4 mm package also helps where space is tight in compact control hardware.

Would this converter make sense for a low-power 5V monitoring or sensor-support circuit?

Yes, it can be used for a low-power 5V monitoring or support circuit fed from 21-26VAC. Because the unit is rated at 0.5W and uses constant-voltage output, it is best for light electronics rather than larger sensor groups or higher-load devices.

Can the SRS-2405 be used outdoors or in unprotected locations?

The operating temperature range is -25C to +71C, which defines the thermal limits. However, no IP rating is listed, so there is no stated ingress-protection basis for exposed outdoor placement, making protected indoor enclosures the safer use case.

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

Mean Well

Mean Well SRS-2405 DC-DC Converter - 0.5W - 21.6~26.4V in 5V out

SKU:

SRS-2405

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The SRS is a 0.5W Mean Well power converter.

Key Features

✓ 1KVDC reinforced I/O isolation
✓ Protections: Short circuit / Overload
✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE ISOLATION CAPACITANCE EMC EMISSION EMC IMMUNITY MTBF DIMENSION WEIGHT -25 ~ +105 ± 0.03% / ℃ ℃ , 10 ~ 95% RH ℃ ) (0 ~ 50 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004
✓ 3 years warranty

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Model	Power	Voltage	Current	IP Rating
Mean Well SRS-4815 DC-DC Converter - 0.5W - 43.2~52.8V in 15V out	0.5W	15V	0.03A	Indoor	View
Mean Well SRS-4812 DC-DC Converter - 0.5W - 43.2~52.8V in 12V out	0.5W	12V	0.04A	Indoor	View
Mean Well SRS-4809 DC-DC Converter - 0.5W - 43.2~52.8V in 9V out	0.5W	9V	0.05A	Indoor	View
Mean Well SRS-4805 DC-DC Converter - 0.5W - 43.2~52.8V in 5V out	0.5W	5V	0.1A	Indoor	View
Mean Well SRS-2415 DC-DC Converter - 0.5W - 21.6~26.4V in 15V out	0.5W	15V	0.03A	Indoor	View
Mean Well SRS-2412 DC-DC Converter - 0.5W - 21.6~26.4V in 12V out	0.5W	12V	0.04A	Indoor	View
Mean Well SRS-2409 DC-DC Converter - 0.5W - 21.6~26.4V in 9V out	0.5W	9V	0.05A	Indoor	View
Mean Well SRS-1215 DC-DC Converter - 0.5W - 10.8~13.2V in 15V out	0.5W	15V	0.03A	Indoor	View
Mean Well SRS-1212 DC-DC Converter - 0.5W - 10.8~13.2V in 12V out	0.5W	12V	0.04A	Indoor	View
Mean Well SRS-1209 DC-DC Converter - 0.5W - 10.8~13.2V in 9V out	0.5W	9V	0.05A	Indoor	View
Mean Well SRS-1205 DC-DC Converter - 0.5W - 10.8~13.2V in 5V out	0.5W	5V	0.1A	Indoor	View
Mean Well SRS-0515 DC-DC Converter - 0.5W - 4.5~5.5V in 15V out	0.5W	15V	0.03A	Indoor	View
Mean Well SRS-0512 DC-DC Converter - 0.5W - 4.5~5.5V in 12V out	0.5W	12V	0.04A	Indoor	View
Mean Well SRS-0509 DC-DC Converter - 0.5W - 4.5~5.5V in 9V out	0.5W	9V	0.05A	Indoor	View
Mean Well SRS-0505 DC-DC Converter - 0.5W - 4.5~5.5V in 5V out	0.5W	5V	0.1A	Indoor	View

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Key Features

✓ 1KVDC reinforced I/O isolation

✓ Protections: Short circuit / Overload

✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE ISOLATION CAPACITANCE EMC EMISSION EMC IMMUNITY MTBF DIMENSION WEIGHT -25 ~ +105 ± 0.03% / ℃ ℃ , 10 ~ 95% RH ℃ ) (0 ~ 50 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004

✓ 3 years warranty

Mean Well SRS-2405 DC-DC Converter - 0.5W - 21.6~26.4V in 5V out

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Mean Well SRS-2405 DC-DC Converter - 0.5W - 21.6~26.4V in 5V out

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