# Wago 280-621 4-Conductor Terminal Block, 2.5mm², Grey

**URL:** https://aio.lv/en/product--wago-280-621--12470555
**Data updated:** 2026-05-18 09:41 (EEST)
**Category:** Power Sockets
**Manufacturer:** Wago
**Manufacturer code:** 280-621
**EAN:** 4044918391092
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wago-280-621--12470555

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Wago 280-621 is a 4-conductor terminal block designed for secure and reliable electrical connections. With a 2.5mm² capacity, this grey terminal block is suitable for DIN-rail mounting in various industrial and commercial control cabinet applications. It ensures efficient wiring organization and long-term connection stability in electrical systems.

## Long description

The Wago 280-621 is a high-quality 4-conductor terminal block engineered for secure and reliable electrical connections in professional environments. Designed with a 2.5mm² capacity, this grey terminal block is optimized for DIN-rail mounting, making it an essential component for organizing complex wiring in industrial and commercial control cabinets. Its robust construction ensures long-term connection stability and efficient space management within electrical distribution systems.
Advantages
This terminal block offers superior reliability through its advanced spring pressure connection technology, which maintains consistent contact force regardless of vibrations or thermal expansion. The 4-conductor design allows for efficient signal or power distribution, reducing the need for additional bridging components. Its compact footprint helps maximize space on DIN-rails, while the intuitive design ensures quick and error-free installation for electrical technicians.
Suitable for
Industrial control cabinet wiring
Commercial electrical distribution systems
Automation and control panel assembly
General electrical installation projects
This terminal block may not be suitable for applications requiring wire gauges larger than 2.5mm² or for environments exposed to extreme chemical corrosion without appropriate protective enclosures. It is also not intended for direct use in high-voltage power transmission lines or underwater installations.
Key specifications
Conductor capacity: 2.5mm²
Number of connection points: 4
Mounting type: DIN-rail
Width: 5 mm
Depth: 73 mm
Height: 28 mm
Color: Grey
To use the Wago 280-621, first ensure the DIN-rail is securely installed in your enclosure. Snap the terminal block onto the rail until it clicks into place. Strip the insulation from your wires to the recommended length, then insert the conductor into the terminal point using a standard screwdriver to open the spring clamp. Ensure the wire is fully seated before releasing the clamp to achieve a secure, gas-tight connection.
What to consider before purchase
Verify that the 2.5mm² wire capacity meets your specific circuit requirements
Ensure sufficient space is available on your DIN-rail for the 5mm width of the block
Confirm that the operating environment is compatible with standard terminal block specifications
For optimal performance and safety, always ensure that wires are stripped to the correct length and that the connection is fully seated. Regularly inspect terminal blocks in high-vibration environments to maintain system integrity.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 28 mm |
| Width | 5 mm |
| Depth | 73 mm |

### Features

| Feature | Value |
|---|---|
| Number of poles | 4P |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey |

## FAQ

### How much does the Wago 280-621 4-Conductor Terminal Block cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 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 23.07.2026 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 Wago 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 Wago 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12470555/68788937_large.webp