# Ergom ZJU2-4/BK Single-Pole DIN Rail Terminal Block, Black

**URL:** https://aio.lv/en/product--ergom-r34rr-07010000345--12453692
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Power Sockets
**Manufacturer:** Ergom
**Manufacturer code:** R34RR-07010000345
**EAN:** 5900003804269
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ergom-r34rr-07010000345--12453692

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Ergom ZJU2-4/BK is a professional single-pole DIN rail terminal block designed for secure electrical connections in control cabinets and distribution boards. This black terminal block ensures reliable wire termination and efficient space management in industrial and domestic electrical installations. It is built for standard DIN rail mounting, providing a robust solution for organizing electrical circuits.

## Long description

The Ergom ZJU2-4/BK is a professional single-pole DIN rail terminal block engineered for secure and reliable electrical connections within control cabinets and distribution boards. Designed for efficiency, this black terminal block facilitates organized wire termination, making it an essential component for both industrial and domestic electrical installations. Its compact design allows for effective space management, ensuring that complex wiring systems remain tidy and accessible.
Advantages
This terminal block offers exceptional mechanical stability and electrical conductivity, ensuring long-term performance in demanding environments. The robust construction provides a secure grip on conductors, minimizing the risk of loose connections or electrical faults. Its compatibility with standard DIN rails simplifies the installation process, allowing for quick assembly and reconfiguration of electrical circuits in various control panel setups.
Suitable for
Control cabinet wiring
Distribution board assembly
Industrial automation systems
Domestic electrical panel installations
Organizing complex circuit connections
When it may not be suitable
This terminal block is not intended for high-current applications exceeding its rated capacity or for environments with extreme chemical exposure that could degrade the housing material. It is also not suitable for direct outdoor installation without a protective, weather-resistant enclosure.
Key specifications
Type: Single-pole terminal block
Mounting: DIN rail
Color: Black
Application: Electrical circuit termination
How to use
To install the Ergom ZJU2-4/BK, snap the unit onto a standard DIN rail until it clicks securely into place. Insert the stripped wire into the terminal opening and tighten the screw mechanism to ensure a firm connection. Ensure that the wire gauge used is compatible with the terminal specifications to maintain optimal electrical contact and safety.
What to consider before purchase
Verify the wire gauge requirements for your specific project
Ensure the DIN rail type matches the mounting requirements
Check the total number of connections needed for your distribution board
Usage recommendations
Always ensure that the power supply is disconnected before performing any installation or maintenance work on electrical components to prevent accidental injury or equipment damage.

## FAQ

### How much does the Ergom ZJU2-4/BK Single-Pole DIN Rail 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 — 46 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 14.07.2026 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 Ergom 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 Ergom 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/12453692/68756217_large.webp