# LSiS MC-18b 3-Pole Contactor, 18A, 7.5kW, 24V DC Coil, 1NO+1NC Auxiliary Contacts

**URL:** https://aio.lv/en/product--lsis-mc-18b-24vdc-1a1b--12468792
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Control Systems
**Manufacturer:** LSiS
**Manufacturer code:** MC-18b 24VDC 1a1b
**EAN:** 8809512817746
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-mc-18b-24vdc-1a1b--12468792

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The LSiS MC-18b is a reliable 3-pole industrial contactor designed for switching electrical loads up to 18A and 7.5kW. Equipped with a 24V DC control coil and integrated 1NO+1NC auxiliary contacts, this device ensures efficient power management in automation and motor control systems. Its robust design provides durability and consistent performance in demanding electrical environments.

## Long description

The LSiS MC-18b is a high-performance 3-pole industrial contactor engineered for reliable switching of electrical loads in demanding environments. With a rated capacity of 18A and 7.5kW, this contactor is designed to manage power distribution and motor control tasks with precision. It features a 24V DC control coil and includes integrated 1NO and 1NC auxiliary contacts, providing versatile connectivity for complex automation systems.
Advantages
This contactor stands out due to its robust construction and consistent operational reliability. The integration of auxiliary contacts simplifies the wiring process for control circuits, while the 24V DC coil ensures compatibility with standard industrial automation controllers. Its compact design allows for efficient use of space within electrical cabinets, and the high-quality materials used in its manufacturing guarantee a long service life even under frequent switching cycles.
Suitable for
Industrial motor control systems
Power distribution panels
Automation and control logic circuits
Heating and lighting control applications
When it may not be suitable
This device is not intended for use in high-voltage applications exceeding its rated capacity or in environments with extreme moisture or corrosive gases without appropriate protective enclosures. It is also not suitable for AC control voltage systems unless an external power supply is used to convert the signal to 24V DC.
Key specifications
Number of poles: 3
Rated operational current: 18A
Rated power capacity: 7.5kW
Control coil voltage: 24V DC
Auxiliary contacts: 1NO + 1NC
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes. Mount the contactor onto a standard DIN rail or a flat surface within a control panel. Connect the main power lines to the primary terminals and wire the 24V DC control signal to the coil terminals. Ensure that the auxiliary contacts are wired according to your specific control logic requirements. Always verify that all connections are tightened to the specified torque before energizing the system.
What to consider before purchase
Verify that your control system provides a 24V DC signal.
Ensure the motor or load power requirements do not exceed 7.5kW.
Check available space in your electrical enclosure for mounting.
Confirm that the auxiliary contact configuration meets your feedback or interlocking needs.
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the contactor is free from dust or debris accumulation to maintain optimal performance and prevent overheating.

## FAQ

### How much does the LSiS MC-18b 3-Pole Contactor 18A 7.5kW 24V DC cost, and is it available for purchase?

The price is 47.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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 08.07.2026 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 LSiS 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 LSiS 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/12468792/68771423_large.webp