# LSiS MC-100a 3-Pole Contactor, 100A, 55kW, 24V DC Coil, 1NO+1NC Auxiliary Contacts

**URL:** https://aio.lv/en/product--lsis-mc-100a-24vdc-1a1b--12455758
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Control Systems
**Manufacturer:** LSiS
**Manufacturer code:** MC-100a 24VDC 1a1b
**EAN:** 8809512829602
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 176.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 145.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-mc-100a-24vdc-1a1b--12455758

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The LSiS MC-100a is a high-performance 3-pole magnetic contactor designed for industrial motor control and power switching applications. It features a rated current of 100A and a power capacity of 55kW at 400V. Equipped with a 24V DC control coil and integrated 1NO+1NC auxiliary contacts, this contactor ensures reliable operation and seamless integration into automated electrical systems and control panels.

## Long description

The LSiS MC-100a is a robust 3-pole magnetic contactor engineered for demanding industrial motor control and power switching tasks. With a rated current of 100A and a power capacity of 55kW at 400V, this device provides reliable performance in heavy-duty electrical environments. It features a 24V DC control coil and includes integrated 1NO+1NC auxiliary contacts, facilitating smooth integration into complex automated systems and industrial control panels.
Advantages
This contactor stands out due to its high switching capacity and durable construction, which ensures long-term operational stability under frequent load cycles. The inclusion of auxiliary contacts allows for versatile feedback and interlocking configurations, making it a flexible component for various control logic setups. Its compact design optimizes space within electrical enclosures, while the 24V DC coil provides a safe and standard control voltage for modern automation architectures.
Suitable for
Industrial motor control systems
Power switching in manufacturing machinery
Heating, ventilation, and air conditioning (HVAC) control panels
Automated production lines
Electrical distribution systems
When it may not be suitable
This contactor is not intended for use in high-voltage applications exceeding its rated specifications or in environments with extreme corrosive gases that could damage the internal contacts. It is also not suitable for residential AC-only control circuits that require a 230V coil voltage without an external power supply conversion.
Key specifications
Number of poles: 3
Rated operational current: 100A
Power capacity: 55kW at 400V
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 on a standard DIN rail or directly to the panel backplate. Connect the main power cables to the primary terminals and ensure the 24V DC control signal is wired to the coil terminals. Verify that the auxiliary contacts are correctly integrated into your control circuit logic before applying power to the system.
What to consider before purchase
Verify that your control system provides a stable 24V DC power supply.
Ensure the motor or load current does not exceed the 100A rating.
Check the available space in your control panel for mounting dimensions.
Confirm that the 1NO+1NC auxiliary contact configuration meets your interlocking requirements.
Usage recommendations
Regularly inspect the terminal connections for tightness and check for any signs of debris or dust accumulation within the contactor housing to maintain optimal electrical conductivity and prevent overheating.

## FAQ

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

The price is 176.49 € (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 13.07.2026 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 3-Pole Contactor 100A 55kW 24V DC 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/12455758/68758026_large.webp