# Siemens LZS:RT78726 Plug-in Base for RT Relays with Screw Terminals

**URL:** https://aio.lv/en/product--siemens-lzsrt78726--12447705
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Siemens
**Manufacturer code:** LZS:RT78726
**EAN:** 4011209674929
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-lzsrt78726--12447705

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Siemens LZS:RT78726 is a professional plug-in base designed for RT series relays. Featuring a 15mm width and secure screw terminal connections, this base supports logical separation and is optimized for standard DIN rail mounting. It provides a reliable interface for industrial control systems, ensuring stable electrical contact and simplified maintenance for relay-based automation applications.

## Long description

The Siemens LZS:RT78726 is a professional-grade plug-in base specifically engineered for the RT series of relays. This component serves as a reliable interface within industrial control systems, facilitating secure electrical connections and streamlined maintenance. Designed with a 15mm width, it supports logical separation, which helps in organizing complex wiring schemes efficiently. The base is optimized for standard DIN rail mounting, ensuring compatibility with common industrial cabinet configurations and providing a stable foundation for relay-based automation.
Advantages
This plug-in base offers significant benefits for industrial automation by providing a robust and secure connection point for RT relays. The inclusion of screw terminals ensures that wires remain firmly in place, reducing the risk of loose connections due to vibration or thermal expansion. Its logical separation feature allows for better signal management and circuit organization, which is essential for maintaining complex control panels. Furthermore, the compact 15mm design saves valuable space on the DIN rail, allowing for higher component density in control cabinets.
Suitable for
Industrial automation control panels
Relay-based signal switching applications
Electrical cabinet installations requiring DIN rail mounting
Systems where logical isolation of relay circuits is necessary
When it may not be suitable
This base is specifically designed for the RT series of relays and may not be compatible with other relay form factors or brands. It is intended for use in controlled industrial environments and may not be suitable for applications requiring high-vibration resistance beyond standard industrial specifications or for outdoor use without an appropriate protective enclosure.
Key specifications
Compatible with RT series relays
Connection type: Screw terminals
Mounting: DIN rail
Width: 15 mm
Feature: Logical separation
How to use
To install the Siemens LZS:RT78726, snap the base onto a standard 35mm DIN rail until it clicks securely into place. Once mounted, insert the compatible RT relay into the socket, ensuring the pins align correctly with the terminal slots. Connect your control and load wires to the screw terminals, tightening them to the manufacturer's recommended torque to ensure a solid electrical connection. Always verify that the power is disconnected before installing or replacing the relay to prevent electrical hazards.
What to consider before purchase
Verify the compatibility of your specific relay model with the RT series standard
Ensure there is sufficient space on your DIN rail for the 15mm width
Check that your wiring tools are compatible with the screw terminal design
Confirm the environmental conditions of the installation site
Usage recommendations
For optimal performance and safety, ensure that all screw terminals are tightened to the specified torque settings. Regularly inspect the connections during routine maintenance to ensure no loosening has occurred due to environmental factors.

## FAQ

### How much does the Siemens LZS:RT78726 Plug-in Base for RT Relays cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 64 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 09.07.2026 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 Siemens 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 Siemens 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

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