# Zamel STM-25-11 Modular Installation Contactor 25A 1NO+1NC 230V AC

**URL:** https://aio.lv/en/product--zamel-ext10000290--12453447
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Power Sockets
**Manufacturer:** ZAMEL
**Manufacturer code:** EXT10000290
**EAN:** 5903669487319
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--zamel-ext10000290--12453447

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The Zamel STM-25-11 is a modular installation contactor designed for reliable electrical switching in residential and commercial distribution boards. It features a 25A rated current, 230V AC control voltage, and a 1NO+1NC contact configuration. This device is ideal for controlling lighting, heating, and ventilation systems, ensuring efficient power management and long-term operational stability in DIN-rail mounted electrical installations.

## Long description

The Zamel STM-25-11 is a high-quality modular installation contactor engineered for precise electrical switching within residential and commercial distribution boards. Designed for mounting on standard DIN rails, this device provides a robust solution for managing electrical loads up to 25A. With a 230V AC control voltage and a versatile 1NO+1NC contact configuration, it ensures reliable performance in various automated systems, contributing to efficient power distribution and long-term operational stability.
Advantages
This contactor stands out due to its compact modular design, which allows for seamless integration into existing electrical cabinets alongside other DIN-rail components. The device is built for durability, offering consistent switching cycles that minimize maintenance requirements. Its clear contact configuration provides flexibility for diverse control applications, while the high-quality materials used in its construction ensure safety and resilience against electrical stress in demanding environments.
Suitable for
Controlling lighting circuits in residential and office buildings
Managing heating systems and electric radiators
Operating ventilation and air conditioning units
Switching small motors and pumps in domestic installations
When it may not be suitable
This device is not intended for high-power industrial machinery or applications requiring switching currents exceeding 25A. It is also not suitable for DC control circuits, as it is specifically designed for 230V AC operation.
Key specifications
Rated current: 25A
Control voltage: 230V AC
Contact configuration: 1NO (Normally Open) + 1NC (Normally Closed)
Mounting type: DIN rail (TH35)
Modular width: Standard modular size
How to use
The Zamel STM-25-11 should be installed by a qualified electrician in accordance with local electrical regulations. The device is snapped onto a standard TH35 DIN rail within a distribution board. Connect the control circuit wires to the designated coil terminals and the load circuit wires to the power terminals, ensuring that all connections are tightened securely to prevent overheating. Verify the wiring against the schematic printed on the device housing before applying power.
What to consider before purchase
Ensure the control voltage of your system matches the 230V AC requirement
Verify that the 25A rated current is sufficient for your specific load
Check available space on the DIN rail within your distribution board
Confirm that the 1NO+1NC configuration meets your automation logic needs
Usage recommendations
Always ensure the power supply is disconnected before performing any installation or maintenance work on the distribution board to prevent electrical shock.

## FAQ

### How much does the Zamel STM-25-11 Modular Installation Contactor 25A cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 51 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 03.07.2026 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 ZAMEL 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 ZAMEL 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/12453447/68755989_large.webp