# Schneider Electric Zelio Logic SR2E121BD Smart Relay, 8 Digital Inputs, 4 Relay Outputs, 24V DC

**URL:** https://aio.lv/en/product--schneider-electric-sr2e121bd--12478864
**Data updated:** 2026-05-22 07:22 (EEST)
**Category:** Control Systems
**Manufacturer:** Schneider Electric
**Manufacturer code:** SR2E121BD
**EAN:** 3389110549768
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 143.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 118.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-sr2e121bd--12478864

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric Zelio Logic SR2E121BD is a compact smart relay designed for automation and control applications. It features 8 digital inputs and 4 relay outputs with an 8A contact current capacity. This reliable controller is ideal for small-scale industrial and commercial automation tasks, offering efficient logic processing and easy integration into control systems.

## Long description

The Schneider Electric Zelio Logic SR2E121BD is a compact and efficient smart relay engineered for precise automation and control in various industrial and commercial environments. This controller provides robust logic processing capabilities, featuring 8 digital inputs and 4 relay outputs, making it a versatile solution for managing small-scale automated systems. Its compact design ensures it can be easily integrated into existing control panels where space is at a premium.
Advantages
This smart relay offers high reliability and consistent performance for demanding automation tasks. The inclusion of 8 digital inputs allows for extensive monitoring of sensors and switches, while the 4 relay outputs provide the necessary switching power for actuators and other devices. With a contact current capacity of 8A, it handles standard electrical loads effectively. The unit is built to withstand industrial conditions, ensuring long-term operational stability and reduced maintenance requirements.
Suitable for
Small-scale industrial automation systems
Commercial building control applications
Lighting and HVAC management
Simple machine control and monitoring
Integration into compact electrical cabinets
This device may not be suitable for complex, high-speed motion control applications or systems requiring a large number of analog inputs and outputs. It is also not intended for safety-critical systems that require specialized safety-rated controllers.
Key specifications
Supply voltage: 24V DC
Digital inputs: 8
Relay outputs: 4
Contact current capacity: 8A
Weight: 220g
Design: Compact modular form factor
To use the Schneider Electric Zelio Logic SR2E121BD, mount the device onto a standard DIN rail within a protected enclosure. Connect the power supply to the designated terminals, ensuring the voltage matches the 24V DC requirement. Wire your input sensors to the digital input terminals and connect your output devices to the relay output terminals. Once wired, configure the logic using the appropriate programming software to define the desired operational sequences.
What to consider before purchase
Verify that your system requirements do not exceed 8 digital inputs and 4 relay outputs.
Ensure your power supply provides a stable 24V DC output.
Check the physical dimensions to ensure it fits within your existing control panel.
Confirm that the 8A contact current capacity is sufficient for your connected loads.
For optimal performance and longevity, ensure the device is installed in an environment free from excessive dust, moisture, and extreme temperatures. Regularly inspect terminal connections to ensure they remain secure and free from corrosion.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.22 kg |
| Operating temperature (T-T) | -20 - 40 |
| Product colour | Multicolour |
| Remotely operated | No |
| Number of modules | 1 |
| Contact current capacity | 8 A |
| Number of contacts | 8 |

## FAQ

### How much does the Schneider Electric Zelio Logic SR2E121BD Smart Relay cost, and is it available for purchase?

The price is 143.49 € (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 16.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Schneider Electric Zelio Logic SR2E121BD Smart Relay be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Schneider Electric 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 Schneider Electric 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/12478864/68802805_large.webp