# Siemens 6EP1437-2BA20 SITOP PSU300S Indoor Power Supply Unit 3-Phase 400-500V AC to 40A DC

**URL:** https://aio.lv/en/product--siemens-6ep1437-2ba20--1618575
**Data updated:** 2026-07-24 04:28 (EEST)
**Category:** Other goods
**Manufacturer:** Siemens
**Manufacturer code:** 6EP1437-2BA20
**EAN:** 4025515151395
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 423.49 €
**Prices and availability valid until:** 2026-08-24 23:59
**Price without VAT (21%):** 349.99 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6ep1437-2ba20--1618575

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.08.2026 | free |
| Pickup points | 13.08.2026 | 1.79 EUR |
| Courier delivery to door | 13.08.2026 | 4.99 EUR |

## Summary description

Siemens 6EP1437-2BA20 SITOP PSU300S indoor power supply unit engineered for reliable industrial power conversion. It features a 3-phase input of 400-500V AC and delivers a stable 40A output current. Designed for indoor installation, this high-performance inverter ensures continuous and efficient operation for demanding automation and control systems.

## Long description

The Siemens SITOP PSU300S is a high-performance indoor power supply unit engineered specifically for reliable industrial power conversion. Designed to meet the demands of modern automation and control systems, this 3-phase power supply ensures continuous, efficient, and stable operation across various industrial environments. With its robust construction and advanced technological features, it provides dependable electrical power to keep critical machinery and processes running without interruption.
Advantages
This power supply unit offers exceptional operational reliability thanks to its sophisticated engineering and high-quality components. It delivers a steady and regulated output current that protects sensitive connected devices from voltage fluctuations and electrical noise. The compact design allows for efficient space utilization within control cabinets, while the high energy efficiency minimizes heat generation and reduces overall power consumption during continuous operation.
Suitable for
Industrial automation and control systems
Complex manufacturing machinery and production lines
Processing plants requiring reliable 3-phase power
Indoor electrical cabinets and switchboards
When it may not be suitable
This device is not designed for outdoor installation without an appropriate protective enclosure, as it lacks weather-resistant specifications. Additionally, it is unsuitable for single-phase electrical networks due to its mandatory 3-phase input requirements.
Key specifications
Input voltage: 3-phase 400-500V AC
Output current: 40A DC
Installation type: Indoor
Product series: SITOP PSU300S
How to use
Installation should be performed by qualified electrical personnel in accordance with local safety regulations and guidelines. Mount the unit securely onto a standard mounting rail inside a suitable indoor control cabinet or enclosure with adequate ventilation space around the housing. Connect the 3-phase AC input lines to the designated input terminals, ensuring correct phase alignment and secure tightening. Connect the DC output terminals to the load devices, verifying proper polarity before applying mains voltage. Once installed and checked, energize the input to supply stable power to the connected system.
What to consider before purchase
Verify that your facility electrical infrastructure provides a compatible 3-phase 400-500V AC supply
Check that the required load current does not exceed the 40A DC capacity of the unit
Ensure sufficient space and ventilation inside your control cabinet for proper heat dissipation
Confirm that the intended application is strictly for indoor use
Usage recommendations: Regularly inspect terminal connections for tightness and verify that ventilation paths remain unobstructed to maintain optimal performance and extend the operational lifespan of the power supply unit.

## Specifications

| Feature | Value |
|---|---|
| Weight | 3.7 kg |
| Power supply type | Indoor |
| Product colour | Multicolour |
| Country of origin | Romania |
| Package depth | 185 mm |
| Package height | 220 mm |
| Package width | 225 mm |
| Quick installation guide | Yes |

## FAQ

### How much does the Siemens 6EP1437-2BA20 Power Supply Unit cost, and is it available for purchase?

The price is 423.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 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 10.08.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 6EP1437-2BA20 Power Supply Unit be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Siemens 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 Siemens 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

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