# Promet T0-L51K23HUM111 Cable-Operated Safety Switch, 1NC+1NO, Metal Housing, Red

**URL:** https://aio.lv/en/product--promet-t0-l51k23hum111--12465494
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Promet
**Manufacturer code:** T0-L51K23HUM111
**EAN:** 5900103190323
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-t0-l51k23hum111--12465494

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

The Promet T0-L51K23HUM111 is a robust cable-operated safety switch designed for emergency stop applications. It features a durable metal housing and a 1NC+1NO contact configuration. This red safety switch is engineered for reliable operation in industrial environments, providing a manual emergency stop function via a tensioned cable system to ensure safety in machinery and automated production lines.

## Long description

The Promet T0-L51K23HUM111 is a high-performance cable-operated safety switch engineered for critical emergency stop functions in industrial settings. Housed in a rugged metal enclosure, this device is designed to provide reliable mechanical protection by allowing operators to trigger an immediate machine shutdown from any point along a tensioned cable line. Its robust construction ensures long-term durability even in demanding production environments where safety and operational continuity are paramount.
Advantages
The primary benefit of this safety switch is its ability to provide an emergency stop mechanism across a wide area, which is essential for long conveyor systems or large machinery. The metal housing offers superior resistance to mechanical impacts and environmental wear compared to plastic alternatives. With a 1NC+1NO contact configuration, it offers versatile integration options for various safety control circuits, ensuring that the machine stops reliably when the cable is pulled or if the cable breaks.
Suitable for
Emergency stop systems for conveyor belts
Safety monitoring of large automated machinery
Production lines requiring manual stop access along the entire length
Industrial equipment where operator safety is a priority
When it may not be suitable
This device is not intended for use in explosive atmospheres or environments with extreme chemical corrosivity unless additional protective enclosures are provided. It is also not suitable for applications requiring non-contact safety sensing, as it relies strictly on physical cable tension.
Key specifications
Contact configuration: 1NC+1NO
Housing material: Metal
Operation type: Cable-operated
Color: Red
How to use
Installation involves mounting the switch securely to a fixed structure and tensioning the safety cable according to the manufacturer's guidelines. The cable should be routed through eyelets along the machinery to be protected. Once the cable is properly tensioned, the switch contacts are set to the operational state. If the cable is pulled or severed, the internal mechanism triggers the switch, opening the safety circuit and halting the machine. Regular testing of the tension and the trigger mechanism is required to ensure the system remains functional.
What to consider before purchase
Verify the required cable length for your specific machinery layout
Ensure the mounting surface is stable enough to support the tension of the cable
Check compatibility with your existing safety relay or control system
Confirm that the environmental conditions are within the operational limits of the metal housing
Usage recommendations
Regularly inspect the cable tension and the switch mechanism to ensure that the emergency stop function remains fully operational. Perform periodic functional tests to verify that pulling the cable successfully triggers the safety circuit as intended.

## FAQ

### How much does the Promet T0-L51K23HUM111 Cable-Operated Safety Switch cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 30.07.2026 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/12465494/68767149_large.webp