# LSiS UA-4 4a Front Auxiliary Contact Block

**URL:** https://aio.lv/en/product--lsis-ua-4-4a--12455763
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** LSiS
**Manufacturer code:** UA-4 4a
**EAN:** 8809587681099
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-ua-4-4a--12455763

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The LSiS UA-4 4a is a front-mounted auxiliary contact block designed for integration with compatible LSiS contactors. This component provides additional switching capabilities for control and signaling circuits in industrial automation systems. It features a reliable design for secure installation and consistent electrical performance, ensuring efficient operation in various electrical control applications.

## Long description

The LSiS UA-4 4a is a front-mounted auxiliary contact block engineered for seamless integration with compatible LSiS contactors. This component is designed to expand the switching capabilities of industrial automation systems, allowing for more complex control and signaling configurations. Built with high-quality materials, it ensures reliable electrical connectivity and consistent performance in demanding industrial environments.
Advantages
The primary benefit of the LSiS UA-4 4a is its compact front-mounting design, which saves valuable space within electrical cabinets and control panels. Its robust construction provides long-term operational stability, reducing the need for frequent maintenance. Furthermore, the block is designed for quick and secure installation, facilitating efficient assembly and integration into existing control circuits.
Suitable for
Industrial automation control systems
Signaling and monitoring circuits
Motor control centers
Electrical distribution panels
When it may not be suitable
This auxiliary contact block is specifically designed for use with compatible LSiS contactors and may not be compatible with contactors from other manufacturers. It is not intended for high-power main circuit switching and should only be used for control and auxiliary signaling purposes.
Key specifications
Mounting type: Front-mounted
Contact configuration: 4 normally open (4a)
Compatibility: LSiS contactors
Application: Control and signaling circuits
How to use
To install the LSiS UA-4 4a, ensure that the main power supply to the contactor is disconnected. Align the auxiliary block with the front mounting interface of the compatible LSiS contactor and press firmly until the locking mechanism engages. Once secured, connect the control wires to the designated terminals according to your circuit diagram. Verify all connections are tight before restoring power to the system.
What to consider before purchase
Verify compatibility with your specific LSiS contactor model
Ensure the contact configuration (4 normally open) meets your control requirements
Check available space on the front of the contactor for installation
Usage recommendations
Always perform a functional test of the auxiliary contacts after installation to ensure correct signal transmission before putting the system into full operation.

## FAQ

### How much does the LSiS UA-4 4a Front Auxiliary Contact Block cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 08.07.2026 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 LSiS 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 LSiS 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/12455763/68758031_large.webp