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Mean Well RS-25-12 Power Supply 25W 12V 2.1A

4.8 (14 reviews)

miniature sizeeconomicalwithstand 5G vibration and 70°C operation

SKU RS-25-12

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Select model — 7 in this family

RS-25-12

RS-15-12 15W 12V Backorder

RS-100-12 100W 12V Backorder

RS-150-12 150W 12V Backorder

RS-25-12 25W 12V Low stock

RS-35-12 35W 12V Backorder

RS-50-12 50W 12V Backorder

RS-75-12 75W 12V Backorder

Product variants

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The RS-25 is a 25W Mean Well DIN rail power converter with a 78mm profile (input range: 125~373VDC).

Key Features

✓ 78mm width — DIN rail TS-35 compatible
✓ Input voltage range: 125~373VDC
✓ Cooling by free air convection — no minimum load required
✓ Protections: Short circuit / Overload / Over voltage
✓ Safety approvals: UL62368- TUV EN62368- EAC TP TC 004,CCC GB4943.1,BSMI CNS14336-`
✓ 3 years warranty

Frequently Asked Questions

Can I use the RS-25-12 for a small 12V control or automation device?

Yes, if the load requires constant-voltage 12V and draws no more than 2.1A. With 25.2W available, it is aimed at smaller 12V control and automation loads rather than higher-power equipment.

Is the RS-25-12 suitable for compact embedded systems that run on 12V DC?

It is a constant-voltage 12V supply with up to 2.1A output current. That makes it a practical fit for compact embedded systems whose total demand stays within 25.2W.

Can this model power a low-power 12V industrial sensor or interface module?

It can power 12V industrial electronics as long as the total load is at or below 2.1A and 25.2W. The compact 78.0 × 51.0 × 28.0 mm size also supports space-constrained equipment layouts.

How do I know whether the RS-25-12 is too small for my 12V load?

Use it only with constant-voltage 12V equipment that stays within 2.1A and 25.2W. If your load needs more than either of those values, you need a higher-capacity 12V model.

Is the RS-25-12 for indoor use only, or can it handle wider environmental conditions?

Its operating temperature range is -20°C to +70°C, which supports a broad indoor industrial temperature span. The provided specs do not include an IP rating, so outdoor exposure is not established by this data.

How does the RS-25-12 compare with other 12V RS series options?

The listed 12V RS models are RS-15-12 at 15.6W and 1.3A, RS-25-12 at 25.2W and 2.1A, RS-35-12 at 35W and 3A, RS-50-12 at 50.4W and 4.2A, RS-75-12 at 72W and 6A, RS-100-12 at 102W and 8.5A, and RS-150-12 at 150W and 12.5A. RS-25-12 sits near the low-power end of that 12V range.

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Model	Power	Voltage	Current
Mean Well RS-25-5 Power Supply 25W 5V 5A	25W	5V	5A	View
Mean Well RS-25-24 Power Supply 25W 24V 1.1A	26.4W	24V	1.1A	View
Mean Well RS-25-48 Power Supply 25W 48V 570mA	27.36W	48V	0.57A	View
Mean Well RS-25-3.3 Power Supply 25W 3.3V 6A	19.8W	3.3V	6A	View
Mean Well RS-25-15 Power Supply 25W 15V 1.7A	25.5W	15V	1.7A	View

Customer reviews

4.8 Reviews verified for authenticity

5 ★ (12)

4 ★ (1)

3 ★ (1)

2 ★ (0)

1 ★ (0)

Reviewed by 14 customers across the RS series

Exactly as specced
By Daniel R.|2026-06-18✓ Verified Buyer
Model: RS-15-24Quantity: 4
Drop-in replacement, ran cool under full load on our DIN rail. Shipped same day.
Workhorse
By Maria K.|2026-05-28✓ Verified Buyer
Model: RS-50-24Quantity: 12
Bought a dozen for a control panel build — every one perfect.
Solid little supply
By Greg T.|2026-04-30✓ Verified Buyer
Model: RS-100-24Quantity: 2
Does the job. Wish the terminals were a touch bigger.

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Key Features

✓ 78mm width — DIN rail TS-35 compatible

✓ Input voltage range: 125~373VDC

✓ Cooling by free air convection — no minimum load required

✓ Protections: Short circuit / Overload / Over voltage

✓ Safety approvals: UL62368- TUV EN62368- EAC TP TC 004,CCC GB4943.1,BSMI CNS14336-`

✓ 3 years warranty

Mean Well RS-25-12 Power Supply 25W 12V 2.1A

Select model — 7 in this family

Key Features

Frequently Asked Questions

Payment & Security

Other RS-25 Models

Customer reviews

Exactly as specced

Workhorse

Solid little supply

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Mean Well RS-25-12 Power Supply 25W 12V 2.1A

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