# Phoenix Contact ST 2,5 BU Through Terminal Block Blue

**URL:** https://aio.lv/en/product--phoenix-3031225--12605686
**Data updated:** 2026-08-02 04:24 (EEST)
**Category:** Other goods
**Manufacturer:** PHOENIX
**Manufacturer code:** 3031225
**EAN:** 4017918186739
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-09-02 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--phoenix-3031225--12605686

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.08.2026 | free |
| Pickup points | 21.08.2026 | 1.79 EUR |
| Courier delivery to door | 21.08.2026 | 4.99 EUR |

## Summary description

The Phoenix Contact ST 2,5 BU is a reliable through terminal block in blue, designed for secure and efficient electrical wire connections in industrial control panels and wiring applications. Featuring spring-cage connection technology, it ensures quick installation and vibration-resistant performance. Ideal for professional electrical installations requiring high reliability and organized circuit distribution.

## Long description

The Phoenix Contact ST 2,5 BU Through Terminal Block Blue is a reliable and efficient component designed for secure electrical wire connections in industrial control panels and wiring applications. Featuring advanced spring-cage connection technology, this blue feed-through terminal block ensures quick installation and vibration-resistant performance, making it an essential part of any professional electrical installation requiring organized circuit distribution and high reliability.
Advantages
The compact design and front connection enable user-friendly wiring even in confined spaces while saving valuable room within the control panel. A consistent double function shaft provides extensive opportunities for time-saving potential distribution and the easy accommodation of various test accessories. Additionally, the large wiring space allows for the hassle-free use of conductors equipped with ferrules and plastic collars within the specified nominal cross section.
Suitable for
Industrial control panels and automation systems
Professional electrical installations and distribution boards
Railway applications requiring certified vibration resistance
Organized circuit distribution and potential distribution tasks
When it may not be suitable
This terminal block may not be suitable for applications involving wire cross sections outside the supported 0.08 mm² to 4 mm² (AWG 28 to 12) range. It is also not designed for direct outdoor use without a proper protective enclosure suited to the environmental conditions.
Key specifications
Nominal voltage: 800 V
Nominal current: 24 A
Connection method: Spring-cage connection
Number of connections: 2
Conductor cross section: 0.08 mm² to 4 mm²
AWG range: 28 to 12
Width: 5.2 mm
Color: Blue
Mounting type: NS 35/7,5, NS 35/15 DIN rails
How to use
Mount the terminal block securely onto a compatible NS 35/7,5 or NS 35/15 DIN rail inside the enclosure or control panel. Prepare your wire by stripping it to the recommended length, and insert it directly into the spring-cage connection point. For conductors with ferrules and plastic collars, utilize the expanded wiring space to ensure a secure fit. Use the double function shaft for potential distribution or testing purposes as required by your circuit design.
What to consider before purchase
Verify that the wire cross section falls within the 0.08 mm² to 4 mm² range
Ensure compatibility with standard NS 35 DIN rails
Check that the nominal voltage of 800 V and current of 24 A meet your electrical system requirements
Confirm the blue color aligns with your color-coding standards for neutral or specific circuit lines
Always disconnect power to the electrical system before installing or modifying any wiring components, and ensure that installation is performed by qualified personnel in accordance with local electrical codes.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Blue |
| Current | 24 A |
| Number of poles | 2 |

## FAQ

### How much does the Phoenix Contact ST 2,5 BU Terminal Block cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 18.08.2026 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. 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 PHOENIX 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 PHOENIX 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/12605686/69133915_large.webp