# LSiS MC-12b Contactor 12A 3-Pole 5.5kW 24V DC 1NO 1NC

**URL:** https://aio.lv/en/product--lsis-mc-12b-24vdc-1a1b--12458750
**Data updated:** 2026-05-18 09:28 (EEST)
**Category:** Control Systems
**Manufacturer:** LSiS
**Manufacturer code:** MC-12b 24VDC 1a1b
**EAN:** 8809512816428
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-mc-12b-24vdc-1a1b--12458750

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The LSiS MC-12b is a high-performance 3-pole industrial contactor designed for reliable motor control and power switching. It features a 12A rated current, 5.5kW power capacity, and a 24V DC control coil. Equipped with 1NO and 1NC auxiliary contacts, this contactor is ideal for automation systems, industrial machinery, and electrical distribution panels requiring efficient and safe circuit management.

## Long description

The LSiS MC-12b is a robust 3-pole industrial contactor engineered for precise motor control and reliable power switching in demanding electrical environments. With a rated current of 12A and a power capacity of 5.5kW, this device ensures consistent performance for various industrial applications. It operates with a 24V DC control coil and includes integrated 1NO and 1NC auxiliary contacts, providing essential feedback and control capabilities for modern automation systems.
Advantages
This contactor stands out due to its compact design and high operational reliability, making it an excellent choice for space-constrained electrical panels. The inclusion of both normally open and normally closed auxiliary contacts offers flexibility in circuit design and monitoring. Its durable construction ensures a long service life even under frequent switching conditions, while the 24V DC coil provides a safe and efficient control interface for automated machinery.
Suitable for
Industrial motor control systems
Automation and control panels
Power distribution and switching circuits
HVAC and pump control applications
When it may not be suitable
This contactor is not intended for high-voltage applications exceeding its specified operational limits. It is also not suitable for environments requiring specialized explosion-proof protection or for direct use in residential AC-powered control circuits without an appropriate power supply converter.
Key specifications
Rated current: 12A
Power capacity: 5.5kW
Poles: 3-pole
Control coil voltage: 24V DC
Auxiliary contacts: 1NO and 1NC
How to use
Installation should be performed by a qualified professional in accordance with local electrical codes. Mount the contactor securely onto a standard DIN rail or mounting plate within an appropriate enclosure. 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 before applying power to the system.
What to consider before purchase
Verify that your control system provides a stable 24V DC power source.
Ensure the motor or load power requirements do not exceed the 5.5kW rating.
Check available space in your electrical cabinet for mounting.
Confirm the compatibility of the auxiliary contact configuration with your existing control logic.
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the contactor remains free from dust and moisture to maintain optimal performance and safety.

## FAQ

### How much does the LSiS MC-12b Contactor 12A 3P 24V DC cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 88 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 14.07.2026 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

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