# Promet T0-L5K23LUM321 Limit Switch in Plastic Housing with 1NC+1NO Contacts and Bent Key

**URL:** https://aio.lv/en/product--promet-t0-l5k23lum321--12460798
**Data updated:** 2026-05-18 09:37 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Promet
**Manufacturer code:** T0-L5K23LUM321
**EAN:** 5900103190651
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-t0-l5k23lum321--12460798

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The Promet T0-L5K23LUM321 is a robust limit switch housed in a durable plastic enclosure. It features a 1NC+1NO contact configuration and is equipped with a bent key actuator. Designed for industrial automation and control systems, this switch provides reliable position detection and safety interlocking in various machinery and equipment applications.

## Long description

The Promet T0-L5K23LUM321 is a high-quality limit switch designed for precise position detection and safety interlocking in industrial environments. Housed in a robust plastic enclosure, this device is engineered to withstand the rigors of daily operation while maintaining consistent performance. It features a 1NC+1NO contact configuration and is equipped with a bent key actuator, making it an essential component for automated machinery and control systems.
Advantages
This limit switch offers exceptional reliability and durability due to its high-grade plastic construction, which provides protection against environmental factors. The inclusion of a bent key actuator allows for versatile installation options, particularly in tight spaces where standard straight actuators might be impractical. Its standard 1NC+1NO contact arrangement ensures compatibility with a wide range of safety circuits and control logic, facilitating seamless integration into existing industrial setups.
Suitable for
Industrial automation systems
Safety interlocking on machine guards
Position monitoring for moving equipment
Control panels and conveyor systems
When it may not be suitable
This switch is not intended for use in environments with extreme temperatures or high-pressure washdown requirements that exceed the specifications of its plastic housing. It is also not suitable for applications requiring heavy-duty metal-clad protection against severe mechanical impacts.
Key specifications
Contact configuration: 1NC+1NO
Actuator type: Bent key
Housing material: Durable plastic
Application: Industrial control and safety
How to use
Installation should be performed by qualified personnel in accordance with local electrical safety standards. The switch should be mounted securely to a stable surface using the provided mounting points. Ensure that the bent key actuator is properly aligned with the moving part of the machinery to prevent mechanical binding or premature wear. Once mounted, connect the electrical leads to the NC and NO terminals according to your specific control circuit diagram.
What to consider before purchase
Verify the physical dimensions of the mounting area
Ensure the bent key actuator matches your mechanical alignment needs
Check that the 1NC+1NO contact configuration meets your safety circuit requirements
Usage recommendations
Regularly inspect the switch for any signs of physical damage or debris accumulation around the actuator. Periodically test the switching function to ensure the contacts operate correctly and that the safety interlocking mechanism remains responsive.

## FAQ

### How much does the Promet T0-L5K23LUM321 Limit Switch with Bent Key cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 27.07.2026 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 Promet 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 Promet 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/12460798/68762767_large.webp