# ABB ESB20-11N-06 Installation Contactor 230V 20A 1NO/1NC Hum-Free

**URL:** https://aio.lv/en/product--abb-1sbe121111r0611--3800531
**Data updated:** 2026-07-22 04:16 (EEST)
**Category:** Other goods
**Manufacturer:** ABB
**Manufacturer code:** 1SBE121111R0611
**EAN:** 3471523007499
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.99 €
**Prices and availability valid until:** 2026-08-22 23:59
**Price without VAT (21%):** 28.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--abb-1sbe121111r0611--3800531

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.08.2026 | free |
| Pickup points | 11.08.2026 | 1.79 EUR |
| Courier delivery to door | 11.08.2026 | 4.99 EUR |

## Summary description

The ABB ESB20-11N-06 is a hum-free installation contactor designed for reliable switching in residential and commercial buildings. It operates at 230V with a 20A rating and features a 1NO/1NC contact configuration. This compact device is ideal for controlling lighting, heating, and ventilation systems, ensuring quiet operation and efficient electrical circuit management in modular distribution boards.

## Long description

The ABB ESB20-11N-06 is a high-quality, hum-free installation contactor engineered for reliable switching in both residential and commercial environments. Designed to operate at 230V with a 20A current rating, this device provides a robust solution for managing electrical circuits within modular distribution boards. Its compact design and silent operation make it an essential component for modern building automation, ensuring consistent performance without the audible noise typically associated with standard contactors.
Advantages
The primary benefit of this contactor is its hum-free operation, which is critical for noise-sensitive areas such as offices, bedrooms, or public spaces. The device is built with a focus on durability and energy efficiency, providing a long service life even under frequent switching conditions. Its compact modular design allows for easy integration into standard electrical panels, saving valuable space while maintaining high safety standards. Furthermore, the 1NO/1NC contact configuration offers versatile control options for various electrical loads.
Suitable for
Lighting control systems in residential buildings
Heating and ventilation (HVAC) management
Automatic switching of pumps and motors
General electrical load management in commercial facilities
This contactor may not be suitable for industrial applications requiring extremely high switching frequencies or currents exceeding the 20A rating. It is also not intended for use in environments with extreme moisture or corrosive atmospheres without appropriate protective enclosures.
Key specifications
Rated operational voltage: 230V AC
Rated operational current: 20A
Contact configuration: 1 Normally Open (NO) and 1 Normally Closed (NC)
Hum-free operation
Modular design for DIN-rail mounting
To use the ABB ESB20-11N-06, mount the device onto a standard DIN rail within your distribution board. Ensure that the electrical supply is disconnected before making any connections. Connect the control circuit to the coil terminals and the load circuit to the main power terminals, following the wiring diagram provided on the device housing. Once installed, verify that all connections are secure and that the voltage levels match the device specifications before restoring power.
What to consider before purchase
Verify that the 20A current rating is sufficient for your specific load requirements.
Ensure the 230V control voltage matches your existing system.
Confirm that the 1NO/1NC contact configuration meets your switching logic needs.
Check available space in your distribution board for modular mounting.
For optimal performance and safety, ensure that the contactor is installed by a qualified electrician in accordance with local electrical regulations. Regularly inspect the connections to ensure they remain tight and free from debris.

## FAQ

### How much does the ABB ESB20-11N-06 Installation Contactor 230V 20A cost, and is it available for purchase?

The price is 34.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 29 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 06.08.2026 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 ABB 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 ABB 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/3800531/52342083_large.webp