# Siemens 5ST2502 4-Pole Distribution Board Block 125A 690V

**URL:** https://aio.lv/en/product--siemens-5st2502--12458579
**Data updated:** 2026-05-18 09:26 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST2502
**EAN:** 4001869318950
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 38.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st2502--12458579

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Siemens 5ST2502 is a 4-pole distribution board block designed for reliable electrical power distribution. Rated for 125A and 690V, this modular block facilitates efficient cable management and connection within industrial or commercial electrical panels. It is engineered for secure DIN rail mounting, ensuring robust performance and safety in electrical distribution systems.

## Long description

The Siemens 5ST2502 is a high-performance 4-pole distribution board block engineered for reliable electrical power distribution in industrial and commercial environments. Designed to integrate seamlessly with residual current devices and miniature circuit breakers, this modular block provides a robust solution for managing complex wiring configurations within electrical panels. Its construction ensures efficient cable organization and secure connectivity, supporting a rated current of 125A and a voltage of 690V.
Advantages
This distribution block offers exceptional versatility through its universal mounting capabilities, allowing it to be easily installed on standard DIN rails. The unit is designed with user safety as a priority, featuring integrated touch protection that minimizes the risk of accidental contact during installation and maintenance. By consolidating multiple connection points into a single, compact component, it significantly simplifies panel wiring, reduces clutter, and improves the overall organization of electrical distribution systems. The high-quality materials used in its construction ensure long-term durability and consistent performance under demanding operational conditions.
Suitable for
Industrial electrical control panels
Commercial power distribution systems
Integration with residual current devices
Miniature circuit breaker assemblies
Organized cable management in modular enclosures
When it may not be suitable
This distribution block is not intended for use in environments exceeding its rated voltage of 690V or current capacity of 125A. It is also not suitable for outdoor installations unless housed within an appropriately rated, weather-protected enclosure.
Key specifications
Number of poles: 4
Rated current: 125A
Rated voltage: 690V
Phase connections: 1x 6-35 mm², 2x 4-16 mm², 5x 1.5-6 mm² per phase
Neutral connections: 1x 6-35 mm², 6x 4-16 mm², 4x 1.5-10 mm²
Mounting type: DIN rail
How to use
To install the Siemens distribution block, securely snap the unit onto a standard DIN rail within your electrical panel. Ensure the power supply is disconnected before beginning any wiring work. Connect the incoming power cables to the designated primary terminals and distribute the outgoing circuits to the secondary terminals according to your system requirements. Tighten all terminal screws to the specified torque to ensure a secure and reliable electrical connection. Once all connections are verified, perform a final inspection to ensure that all cables are properly seated and that the touch protection covers are correctly positioned.
What to consider before purchase
Verify that the total current load of your system does not exceed 125A.
Ensure the available space in your electrical panel is sufficient for the block dimensions.
Check that your cable cross-sections are compatible with the specified terminal ranges.
Confirm that the DIN rail mounting configuration is compatible with your existing panel layout.
Usage recommendations
Always ensure that the installation is performed by a qualified electrician in accordance with local electrical codes and safety regulations to prevent equipment damage or personal injury.

## FAQ

### How much does the Siemens 5ST2502 4-Pole Distribution Block 125A cost, and is it available for purchase?

The price is 46.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 09.07.2026 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 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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