# Wago 770-103 3-Pole Terminal Block Connector, Black

**URL:** https://aio.lv/en/product--wago-770-103--12451367
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Wago
**Manufacturer code:** 770-103
**EAN:** 4044918252096
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wago-770-103--12451367

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Wago 770-103 is a 3-pole terminal block connector designed for reliable electrical installations. Featuring a durable black housing, this component ensures secure connections in various building automation and lighting applications. It is engineered for efficiency and ease of use, providing a robust solution for professional electrical wiring requirements.

## Long description

The Wago 770-103 is a professional 3-pole terminal block connector designed to provide secure and reliable electrical connections in demanding environments. Housed in a durable black casing, this component is part of the WINSTA MIDI series, engineered to simplify installation processes while maintaining high safety standards. Its design incorporates a strain relief housing to protect cables from mechanical stress, ensuring long-term stability in various electrical setups.
Advantages
This connector offers exceptional reliability through its 100% protection against mismating, which prevents incorrect connections during assembly. The integrated strain relief housing provides added durability by securing the cable firmly in place, reducing the risk of accidental disconnection. Its compact design and standardized pin spacing facilitate efficient wiring in tight spaces, making it an ideal choice for professional electrical installations where precision and safety are paramount.
Suitable for
Building automation systems
Lighting installations
Electrical distribution in modular structures
HVAC control wiring
When it may not be suitable
This connector is specifically designed for indoor electrical installations and is not intended for use in high-moisture or submerged environments unless properly protected by an additional enclosure. It is also not suitable for applications requiring a higher pole count than three or for power loads exceeding the technical ratings of the WINSTA MIDI series.
Key specifications
Number of poles: 3
Pin spacing: 10 mm
Cable diameter range: 8 mm to 11.5 mm
Housing color: Black
Protection: 100% protected against mismating
Integrated strain relief: Yes
How to use
To use the Wago 770-103, first prepare your cables by stripping them to the required length as specified by the manufacturer. Insert the conductors into the terminal block until they are securely locked in place. Ensure the cable is properly seated within the strain relief housing to prevent tension on the electrical contacts. Once connected, the plug-in mechanism allows for quick and secure mating with corresponding components, ensuring a stable electrical circuit.
What to consider before purchase
Verify that the cable diameter falls within the 8 mm to 11.5 mm range.
Ensure the 3-pole configuration meets your specific circuit requirements.
Confirm compatibility with existing WINSTA MIDI system components.
Usage recommendations
Always ensure that the power supply is disconnected before performing any wiring tasks. Regularly inspect the connections in high-vibration environments to ensure the strain relief remains tight and the contacts are secure.

## Specifications

| Feature | Value |
|---|---|
| Number of poles | 3P |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Wago 770-103 3-Pole Terminal Block Connector cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 06.07.2026 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/12451367/68777258_large.webp