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header-product MEAN WELL RPS-400-12-SF power adapter 400 W 12 V input 80-264 V
139.99 €

MEAN WELL RPS-400-12-SF power adapter 400 W 12 V input 80-264 V

power adapter MEAN WELL RPS-400-12-SF Photo 1
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MEAN WELL RPS-400-12-SF power adapter 400 W 12 V input 80-264 V

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MEAN WELL RPS-400-12-SF power adapter 400 W 12 V input 80-264 V

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Short description

The MEAN WELL RPS-400-12-SF is a reliable power adapter with an output of 400 W and a voltage of 12 V. It operates on an input voltage range of 80 - 264 V and is compliant with RoHS standards. Its compact dimensions of 86 mm width, 130 mm depth, and 66.5 mm height make it suitable for various applications. Ideal for powering devices that require stable and efficient power supply.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 3758974
Manufacturer: mean well
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
24.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
27.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.69 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
27.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Payment Methods:
Bank transfer
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Product information

Description

The MEAN WELL RPS-400-12-SF is an open-frame AC-DC medical power supply delivering 12 V DC at 33.3 A (400 W). It accepts a wide input voltage range of 80–264 V AC, includes EN60601 medical safety with 2xMOPP isolation, and is fitted with a side fan and cover for cooling. The unit is RoHS compliant and has compact dimensions suitable for integration into medical and industrial equipment.

Advantages

This power adapter provides a stable 12 V/33.3 A output with 400 W continuous power in an open-frame design, meeting EN60601 medical safety requirements with 2xMOPP isolation. The wide 80–264 V input range allows global operation without additional conversion. An integrated side fan with cover improves thermal performance while the compact footprint (86 × 130 × 66.5 mm) simplifies installation in constrained spaces.

Suitable for

  • Medical devices requiring EN60601-compliant power sources
  • Diagnostics and laboratory equipment
  • Industrial control systems and embedded applications
  • Equipment needing a compact 12 V / 400 W supply

Key specifications

  • Output: 12 V DC, 33.3 A (400 W)
  • Input voltage: 80–264 V AC
  • Safety: EN60601 with 2xMOPP isolation
  • Cooling: side fan with cover
  • Configuration: open-frame
  • Compliance: RoHS
  • Dimensions (W×D×H): 86 × 130 × 66.5 mm
  • Brand / Model: MEAN WELL RPS-400-12-SF (MPN: RPS-400-12-SF, EAN: 4021087034067)

How to use

Install the open-frame power supply in a ventilated enclosure that allows airflow to and from the side fan. Connect the AC input to a properly fused mains source within 80–264 V AC, observing correct polarity and protective earth connections. Route the 12 V DC output to the load using appropriately rated cables and connectors. Ensure installation follows applicable medical and local electrical standards and verify output voltage under load before connecting sensitive equipment.

Usage recommendations

Maintain clear airflow around the side fan, avoid obstructing the cover, and operate the unit within specified ambient temperature and ventilation limits. For medical applications, perform installation and safety checks according to EN60601 and local regulations; ensure regular maintenance of the cooling fan to preserve reliable operation.

All features
Input voltage: The voltage (V) which is required to power the product.
80 - 264
Output voltage:
12
Output current:
33.3 A
Output power: The power that the device can produce.
400 W

Logistics data

Quantity per pack:
24 pc(s)

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.64 kg
Height: The measurement of the product from head to foot or from base to top.
66.5 mm
Depth: The distance from the front to the back of something.
130 mm
Width: The measurement or extent of something from side to side.
86 mm

Certificates

Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
RoHS

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Customer reviews

Customer questions

FAQ

How much does the power adapter MEAN WELL RPS-400-12-SF cost, and is it available for purchase?

The price is 139.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 24.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All mean well products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized mean well service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for power adapter MEAN WELL RPS-400-12-SF?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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