# Industrial Switching Power Supply BLOW 70-557 12V 2.9A 35W

**URL:** https://aio.lv/en/product--blow-70-557--11988087
**Data updated:** 2026-03-11 18:20 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** BLOW
**Manufacturer code:** 70-557#
**EAN:** 5900804122999
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-70-557--11988087

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Industrial switching power supply BLOW model 70-557 provides 12 V DC output at up to 2.9 A (35 W). Designed for industrial and embedded applications, it delivers regulated DC power from an AC source using switching regulation. Suitable for control panels, automation devices, instruments, and other equipment requiring stable 12 V supply in industrial environments.

## Long description

The Industrial Switching Power Supply BLOW 70-557 12V 2.9A 35W is a compact DIN-rail compatible module that delivers regulated 12 V DC output with a maximum current of 2.9 A and continuous output power up to 35 W. Designed for industrial and embedded applications, this switch-mode power supply converts AC mains voltage to a stable DC voltage using switching regulation, providing reliable operation for control panels, automation units and instrumentation in standard industrial environments.
Advantages
This switching power supply offers efficient power conversion with a small footprint suitable for confined control cabinets. Built to meet industrial usage patterns, it provides stable voltage regulation under varying input conditions and load changes. Thermal performance and short-circuit protection improve operational reliability, while standardized mounting simplifies installation and replacement in existing systems.
Suitable for
 Control panels and PLC-powered systems
 Industrial automation modules and sensors
 Embedded devices and instrumentation requiring 12 V DC
 Access control and security equipment
Key specifications
 Output voltage: 12 V DC
 Maximum output current: 2.9 A
 Maximum output power: 35 W
 Input type: AC mains to DC switching conversion
 Mounting style: DIN-rail compatible form factor
 Protection features: overcurrent and short-circuit protection
 Intended environment: industrial and embedded applications
How to use
Install the unit on a DIN rail inside a suitably ventilated control cabinet and make AC input connections according to local electrical codes. Connect the 12 V DC output to the load, observing correct polarity. Verify that the combined current draw of connected devices does not exceed 2.9 A and that the ambient temperature and ventilation meet the supplier's operating conditions. Perform initial testing with multimeter measurements to confirm steady 12 V output before connecting sensitive equipment.
Usage recommendations
For reliable long-term operation, avoid continuous loads at the maximum rated current without adequate ventilation and periodic inspection. Use appropriately rated wiring and fuses on both input and output sides, and install surge protection if the supply is exposed to unstable mains. Regularly check terminal tightness and ambient temperature to maintain stable output voltage.

## FAQ

### How much does the BLOW 70-557 Industrial 12V 2.9A 35W Power Supply cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 223 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 13.07.2026 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, Bank cards on-line, Apple Pay, Google Pay. 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 BLOW 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 BLOW 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11988087/67443543_large.webp