# Siemens SIRIUS 3SE5112-0LH01 Position Switch, Metal Enclosure, 40mm, 1NO+2NC Snap-Action Contacts

**URL:** https://aio.lv/en/product--siemens-3se5112-0lh01--12471806
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 3SE5112-0LH01
**EAN:** 4011209692558
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 47.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3se5112-0lh01--12471806

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIRIUS 3SE5112-0LH01 is a robust position switch featuring a 40mm metal enclosure compliant with EN 50041 standards. It is equipped with snap-action contacts, including 1 normally open (NO) and 2 normally closed (NC) contacts. Designed for industrial automation and safety applications, this switch provides reliable mechanical position detection with an M20x1.5 cable entry for secure installation in demanding environments.

## Long description

The Siemens SIRIUS 3SE5112-0LH01 is a high-performance position switch designed for reliable mechanical position sensing and monitoring in industrial environments. Housed in a durable 40mm metal enclosure that complies with EN 50041 standards, this device is engineered to withstand demanding operational conditions. It features a rotary actuator that is adjustable to the left or right, equipped with a 27mm metal lever and a 19mm plastic roller for precise interaction with machine parts.
Advantages
This position switch offers exceptional versatility through its modular design, allowing for various configurations with minimal component types. The inclusion of snap-action contacts, specifically 1 normally open and 2 normally closed, ensures rapid and reliable switching operations. Its robust metal construction provides high mechanical stability, while the standardized M20x1.5 cable entry facilitates secure and straightforward electrical installation. Furthermore, the device is globally certified, meeting stringent international standards for safety and performance in automation systems.
Suitable for
Position sensing of machine components
Monitoring of protective equipment and safety guards
Industrial automation systems requiring high reliability
Applications compliant with EN 50041 standards
When it may not be suitable
This switch may not be appropriate for environments involving extreme chemical exposure that could degrade the metal enclosure or plastic roller components. Additionally, it is not intended for applications requiring non-contact sensing technologies, such as inductive or capacitive proximity sensors.
Key specifications
Enclosure width: 40 mm
Enclosure material: Metal
Contact configuration: 1 NO + 2 NC snap-action contacts
Cable entry: 1x M20 x 1.5
Actuator type: Rotary actuator with 27 mm metal lever and 19 mm plastic roller
Standards compliance: EN 50041
How to use
Installation should be performed by qualified personnel in accordance with the provided technical documentation. Mount the switch securely using the designated fixing points, ensuring the actuator is correctly aligned with the moving machine part to be monitored. Connect the wiring through the M20x1.5 cable entry, ensuring that the cable gland is properly tightened to maintain the enclosure's integrity. Once installed, verify the mechanical operation of the lever and roller to ensure the contacts trigger at the intended position points.
What to consider before purchase
Verify that the 40mm enclosure dimensions fit your mounting space.
Ensure the rotary actuator and roller type are compatible with your specific mechanical interface.
Confirm that the 1NO+2NC contact configuration meets your control circuit requirements.
Check that the M20x1.5 cable connection is compatible with your existing cabling infrastructure.
Usage recommendations: Regularly inspect the mechanical actuator and roller for signs of wear or misalignment to ensure consistent performance. Periodically test the switching function to confirm that safety-related monitoring remains active and reliable.

## FAQ

### How much does the Siemens SIRIUS 3SE5112-0LH01 Position Switch cost, and is it available for purchase?

The price is 57.99 € (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 17.07.2026 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

https://aio.lv/img/cache/product/12471806/68794768_large.webp