# Emas T0-B100A20 Key-Operated Control Switch, 1NO 0NC, Non-Self-Resetting

**URL:** https://aio.lv/en/product--emas-t0-b100a20--12450222
**Data updated:** 2026-05-18 02:41 (EEST)
**Category:** Power Sockets
**Manufacturer:** Emas
**Manufacturer code:** T0-B100A20
**EAN:** 5900103197506
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 17.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--emas-t0-b100a20--12450222

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Emas T0-B100A20 is a professional key-operated control switch designed for secure industrial automation and control systems. Featuring a 1NO (normally open) configuration and a non-self-resetting mechanism, it ensures reliable manual operation. This robust switch is ideal for control panels and machinery, providing secure access control and operational safety in demanding electrical environments.

## Long description

The Emas T0-B100A20 is a professional key-operated control switch engineered for secure industrial automation and control systems. This device provides a reliable manual interface for machinery and electrical panels, ensuring that only authorized personnel can initiate or interrupt specific operations. With its durable construction and precise mechanical design, it is built to withstand the rigors of demanding industrial environments while maintaining consistent electrical performance.
Advantages
The primary advantage of this key-operated switch is the enhanced security it provides by preventing unauthorized access to critical control functions. The non-self-resetting mechanism ensures that the switch remains in its selected position until manually adjusted, which is essential for maintaining stable operational states in complex machinery. Its robust build quality guarantees longevity and reliable contact switching, minimizing the risk of failure in high-frequency usage scenarios.
Suitable for
Industrial control panels
Machinery start and stop sequences
Secure access control for electrical systems
Automation equipment requiring manual authorization
When it may not be suitable
This switch is not suitable for applications requiring momentary or spring-return operation, as it is designed to stay in the set position. It is also not intended for use in environments with extreme corrosive gases or high-pressure water jets unless housed in an appropriate protective enclosure.
Key specifications
Contact configuration: 1NO (Normally Open)
Operation type: Non-self-resetting (maintained)
Actuation method: Key-operated
Application: Industrial control systems
How to use
To operate the switch, insert the provided key into the cylinder and rotate it to the desired position. The switch will remain in this position due to its non-self-resetting design. To change the state, the key must be turned back to the original position. Ensure that the electrical circuit is de-energized before performing any wiring or installation tasks to prevent accidental contact.
What to consider before purchase
Verify that the 1NO contact configuration meets your circuit requirements.
Ensure the mounting hole diameter is compatible with your control panel.
Confirm that the key-operated security level matches your facility's safety protocols.
Usage recommendations
Always ensure that the key is stored in a secure location accessible only to authorized operators to maintain the integrity of your safety systems. Regularly inspect the contact block for signs of wear or debris accumulation to ensure optimal electrical conductivity.

## FAQ

### How much does the Emas T0-B100A20 Key-Operated Control Switch cost, and is it available for purchase?

The price is 21.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 06.07.2026 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 Emas 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 Emas 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/12450222/68752998_large.webp