# LSiS MC-100a Contactor 100A 3-Pole 55kW 24V AC 1NO 1NC

**URL:** https://aio.lv/en/product--lsis-mc-100a-24vac-1a1b--12460711
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** LSiS
**Manufacturer code:** MC-100a 24VAC 1a1b
**EAN:** 8809512829022
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 132.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 109.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-mc-100a-24vac-1a1b--12460711

## 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 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The LSiS MC-100a is a high-performance 3-pole industrial contactor designed for reliable power switching. It features a 100A rated current, 55kW power capacity, and a 24V AC control coil. Equipped with 1NO and 1NC auxiliary contacts, this device is ideal for motor control and electrical distribution systems, ensuring efficient operation and durability in demanding industrial environments.

## Long description

The LSiS MC-100a is a robust 3-pole industrial contactor engineered for high-performance power switching in demanding electrical environments. With a rated current of 100A and a power capacity of 55kW, this contactor provides reliable control for heavy-duty motors and electrical distribution systems. It is equipped with a 24V AC control coil and includes 1NO and 1NC auxiliary contacts, facilitating seamless integration into automated control circuits.
Advantages
This contactor stands out due to its durable construction and efficient switching capabilities, which ensure long-term operational stability in industrial settings. The inclusion of both normally open and normally closed auxiliary contacts offers flexibility for various monitoring and interlocking applications. Its compact design allows for efficient use of space within electrical panels, while the 24V AC coil provides a safe and standard control voltage for many industrial automation systems.
Suitable for
Industrial motor control systems
Electrical power distribution panels
Heating and lighting control circuits
Automation and control equipment
When it may not be suitable
This device is not intended for use in high-voltage applications exceeding its specified ratings or in environments with extreme corrosive gases that could damage the internal components. It is also not suitable for DC power switching applications as it is specifically designed for an AC control coil.
Key specifications
Rated current: 100A
Number of poles: 3
Power capacity: 55kW
Control coil voltage: 24V AC
Auxiliary contacts: 1NO and 1NC
How to use
The LSiS MC-100a should be installed by a qualified professional within an appropriate electrical enclosure. Mount the contactor securely onto a standard DIN rail or mounting plate. Connect the main power lines to the primary terminals and wire the 24V AC control signal to the coil terminals. Ensure that all connections are tightened to the manufacturer's torque specifications to prevent overheating. Verify the auxiliary contact wiring to ensure correct feedback or interlocking logic before energizing the system.
What to consider before purchase
Verify that the 24V AC control voltage matches your existing control system.
Ensure the 55kW power rating is sufficient for your specific motor or load requirements.
Check available space in your electrical cabinet for proper heat dissipation.
Usage recommendations: Regularly inspect the contactor terminals for tightness and check for any signs of wear or discoloration on the contact surfaces to ensure continued reliable performance.

## FAQ

### How much does the LSiS MC-100a Contactor 100A 3P 55kW 24V AC cost, and is it available for purchase?

The price is 132.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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, Installment. All transactions are 100% secure and encrypted.

### Can LSiS MC-100a Contactor 100A 3P 55kW 24V AC be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/12460711/68762680_large.webp