# Siemens 5TL1140-0 Modular Circuit Breaker 40A 1P 230V

**URL:** https://aio.lv/en/product--siemens-5tl1140-0--12463146
**Data updated:** 2026-05-18 09:44 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5TL1140-0
**EAN:** 4001869468785
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5tl1140-0--12463146

## 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 Siemens 5TL1140-0 is a high-quality modular circuit breaker designed for reliable electrical circuit protection. Rated at 40A with a 1-pole configuration and 230V operating voltage, this device ensures safety and efficiency in residential and commercial electrical installations. It is engineered for standard DIN rail mounting, providing a robust solution for managing power distribution and preventing overcurrent damage in various electrical systems.

## Long description

The Siemens 5TL1140-0 is a high-quality modular circuit breaker engineered to provide reliable protection for electrical circuits in both residential and commercial environments. This 1-pole device is designed to handle a rated current of 40A at an operating voltage of 230V, ensuring consistent performance and safety for your electrical infrastructure. Its robust construction and standard design make it a dependable component for managing power distribution and safeguarding systems against overcurrent conditions.
Advantages
This circuit breaker offers exceptional reliability and durability, reflecting the high engineering standards associated with the Siemens brand. Its modular design facilitates straightforward integration into existing electrical panels, while the compact form factor ensures efficient use of space. By providing precise overcurrent protection, it helps prevent damage to wiring and connected equipment, contributing to the overall longevity and safety of the electrical installation.
Suitable for
Residential electrical distribution boards
Commercial building power management systems
Protection of individual lighting or power circuits
DIN rail mounted electrical installations
When it may not be suitable
This device is designed for single-phase applications and is not suitable for three-phase systems requiring multi-pole protection. It should not be used in environments exceeding its rated current capacity or voltage specifications.
Key specifications
Rated current: 40A
Number of poles: 1
Operating voltage: 230V
Mounting type: DIN rail
Weight: 115 g
How to use
The circuit breaker is designed for installation on a standard DIN rail within an electrical distribution board. It should be installed by a qualified electrician in accordance with local electrical codes and safety regulations. Ensure that the power supply is disconnected before beginning the installation process. Once mounted, the device is operated via the manual toggle switch on the front panel to connect or disconnect the circuit as needed.
What to consider before purchase
Verify that the 40A rating matches the requirements of your specific circuit
Ensure compatibility with your existing DIN rail distribution board
Confirm that a single-pole configuration is appropriate for your application
Usage recommendations: Regularly inspect the circuit breaker for any signs of physical damage or overheating. Ensure that all terminal connections are tightened to the manufacturer's specified torque to maintain optimal electrical contact and prevent potential faults.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.115 kg |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

## FAQ

### How much does the Siemens 5TL1140-0 Modular Circuit Breaker cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12463146/68769600_large.webp